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From: "Fāng-ruì Sòng via Libc-alpha" <libc-alpha@sourceware.org>
To: libc-alpha@sourceware.org, "Carlos O'Donell" <carlos@redhat.com>,
	 Adhemerval Zanella <adhemerval.zanella@linaro.org>
Subject: Re: [PATCH] elf: Avoid nested functions in the loader (all ports) [BZ #27220]
Date: Thu, 2 Sep 2021 22:41:55 -0700	[thread overview]
Message-ID: <CAFP8O3L6Hb-pZJB-fP5RNciXAtjGuVuqZaJu3qLJQ_=QgiyoWw@mail.gmail.com> (raw)
In-Reply-To: <20210823043648.2648608-1-maskray@google.com>

Ping https://sourceware.org/pipermail/libc-alpha/2021-August/130391.html

On Sun, Aug 22, 2021 at 9:36 PM Fangrui Song <maskray@google.com> wrote:
>
> [Alternative to https://sourceware.org/pipermail/libc-alpha/2021-August/130340.html
> This version fixes all ports and doesn't add NESTING dispatches.]
>
> dynamic-link.h is included more than once in some elf/ files (rtld.c,
> dl-conflict.c, dl-reloc.c, dl-reloc-static-pie.c) and uses GCC nested
> functions. This harms readability and the nested functions usage
> is the biggest obstacle prevents CC=clang (which doesn't support the
> feature).
>
> To un-nest elf_machine_rela, the key idea is to pass the variable in
> the containing scope as an extra argument.
> Stan Shebs implemented ppc64/x86-64 parts in the google/grte/v5-2.27/master branch.
> This patch squashes and cleans up the commits, and fixes all ports.
>
> Tested on aarch64-linux-gnu and x86_64-linux-gnu.
> On x86_64, ld.so size is slightly larger (0.25% .text size).
> The performance is unrelated because the very few extra instructions in
> RESOLVE_MAP are negligible compared with expensive symbol lookup costs.
> On aarch64, ld.so size is slightly smaller. The nested functions appear
> to need more .rodata and .eh_frame space.
>
> Tested build-many-glibcs.py with
> {alpha,arc,csky,hppa,ia64,microblaze,s390,s390x,sh,sparc64,sparcv9}-linux-gnu,
> arm-linux-gnueabi{,hf}, mips64{,el}-linux-gnu{,-n32,-n64}, and
> riscv64-linux-gnu-rv64imafdc-lp64d.
> ---
>  elf/dl-conflict.c                      | 35 +++++++-------
>  elf/dl-reloc-static-pie.c              | 12 ++---
>  elf/dl-reloc.c                         | 66 +++++++++++++++-----------
>  elf/do-rel.h                           | 12 ++---
>  elf/dynamic-link.h                     | 40 ++++++++--------
>  elf/get-dynamic-info.h                 |  5 ++
>  elf/rtld.c                             | 10 ++--
>  sysdeps/aarch64/dl-machine.h           | 16 +++++--
>  sysdeps/alpha/dl-machine.h             | 13 +++--
>  sysdeps/arc/dl-machine.h               |  8 +++-
>  sysdeps/arm/dl-machine.h               | 22 +++++----
>  sysdeps/csky/dl-machine.h              | 12 +++--
>  sysdeps/hppa/dl-machine.h              | 10 ++--
>  sysdeps/i386/dl-machine.h              | 22 ++++-----
>  sysdeps/ia64/dl-machine.h              | 16 ++++---
>  sysdeps/m68k/dl-machine.h              | 12 +++--
>  sysdeps/microblaze/dl-machine.h        | 12 +++--
>  sysdeps/mips/dl-machine.h              | 45 +++++++++++-------
>  sysdeps/nios2/dl-machine.h             | 14 ++++--
>  sysdeps/powerpc/powerpc32/dl-machine.h | 12 +++--
>  sysdeps/powerpc/powerpc64/dl-machine.h | 16 ++++---
>  sysdeps/riscv/dl-machine.h             | 10 ++--
>  sysdeps/s390/s390-32/dl-machine.h      |  8 ++--
>  sysdeps/s390/s390-64/dl-machine.h      |  8 ++--
>  sysdeps/sh/dl-machine.h                | 12 +++--
>  sysdeps/sparc/sparc32/dl-machine.h     | 12 +++--
>  sysdeps/sparc/sparc64/dl-machine.h     | 12 +++--
>  sysdeps/x86_64/dl-machine.h            | 16 +++++--
>  28 files changed, 291 insertions(+), 197 deletions(-)
>
> diff --git a/elf/dl-conflict.c b/elf/dl-conflict.c
> index 31a2f90770..d7219b726a 100644
> --- a/elf/dl-conflict.c
> +++ b/elf/dl-conflict.c
> @@ -27,17 +27,9 @@
>  #include <sys/types.h>
>  #include "dynamic-link.h"
>
> -void
> -_dl_resolve_conflicts (struct link_map *l, ElfW(Rela) *conflict,
> -                      ElfW(Rela) *conflictend)
> -{
> -#if ! ELF_MACHINE_NO_RELA
> -  if (__glibc_unlikely (GLRO(dl_debug_mask) & DL_DEBUG_RELOC))
> -    _dl_debug_printf ("\nconflict processing: %s\n", DSO_FILENAME (l->l_name));
> -
> -  {
> -    /* Do the conflict relocation of the object and library GOT and other
> -       data.  */
> +/* Used by RESOLVE_CONFLICT_FIND_MAP at init time. Cannot be accessed
> + * concurrently.  */
> +static struct link_map *resolve_conflict_map __attribute__ ((__unused__));
>
>      /* This macro is used as a callback from the ELF_DYNAMIC_RELOCATE code.  */
>  #define RESOLVE_MAP(ref, version, flags) (*ref = NULL, NULL)
> @@ -51,12 +43,23 @@ _dl_resolve_conflicts (struct link_map *l, ElfW(Rela) *conflict,
>      (map) = resolve_conflict_map;                                            \
>    } while (0)
>
> +#include "dynamic-link.h"
> +
> +void
> +_dl_resolve_conflicts (struct link_map *l, ElfW(Rela) *conflict,
> +                      ElfW(Rela) *conflictend)
> +{
> +#if ! ELF_MACHINE_NO_RELA
> +  if (__glibc_unlikely (GLRO(dl_debug_mask) & DL_DEBUG_RELOC))
> +    _dl_debug_printf ("\nconflict processing: %s\n", DSO_FILENAME (l->l_name));
> +
> +  {
> +    /* Do the conflict relocation of the object and library GOT and other
> +       data.  */
> +
>      /* Prelinking makes no sense for anything but the main namespace.  */
>      assert (l->l_ns == LM_ID_BASE);
> -    struct link_map *resolve_conflict_map __attribute__ ((__unused__))
> -      = GL(dl_ns)[LM_ID_BASE]._ns_loaded;
> -
> -#include "dynamic-link.h"
> +    resolve_conflict_map = GL(dl_ns)[LM_ID_BASE]._ns_loaded;
>
>      /* Override these, defined in dynamic-link.h.  */
>  #undef CHECK_STATIC_TLS
> @@ -68,7 +71,7 @@ _dl_resolve_conflicts (struct link_map *l, ElfW(Rela) *conflict,
>
>      for (; conflict < conflictend; ++conflict)
>        elf_machine_rela (l, conflict, NULL, NULL, (void *) conflict->r_offset,
> -                       0);
> +                       0, NULL);
>    }
>  #endif
>  }
> diff --git a/elf/dl-reloc-static-pie.c b/elf/dl-reloc-static-pie.c
> index d5bd2f31e9..25d1c53aa2 100644
> --- a/elf/dl-reloc-static-pie.c
> +++ b/elf/dl-reloc-static-pie.c
> @@ -23,6 +23,11 @@
>  #include <ldsodefs.h>
>  #include "dynamic-link.h"
>
> +#define STATIC_PIE_BOOTSTRAP
> +#define BOOTSTRAP_MAP (main_map)
> +#define RESOLVE_MAP(sym, version, flags) BOOTSTRAP_MAP
> +#include "dynamic-link.h"
> +
>  /* Relocate static executable with PIE.  */
>
>  void
> @@ -30,11 +35,6 @@ _dl_relocate_static_pie (void)
>  {
>    struct link_map *main_map = _dl_get_dl_main_map ();
>
> -# define STATIC_PIE_BOOTSTRAP
> -# define BOOTSTRAP_MAP (main_map)
> -# define RESOLVE_MAP(sym, version, flags) BOOTSTRAP_MAP
> -# include "dynamic-link.h"
> -
>    /* Figure out the run-time load address of static PIE.  */
>    main_map->l_addr = elf_machine_load_address ();
>
> @@ -48,7 +48,7 @@ _dl_relocate_static_pie (void)
>
>    /* Relocate ourselves so we can do normal function calls and
>       data access using the global offset table.  */
> -  ELF_DYNAMIC_RELOCATE (main_map, 0, 0, 0);
> +  ELF_DYNAMIC_RELOCATE (main_map, 0, 0, 0, main_map);
>    main_map->l_relocated = 1;
>
>    /* Initialize _r_debug.  */
> diff --git a/elf/dl-reloc.c b/elf/dl-reloc.c
> index e13a672ade..35cab08683 100644
> --- a/elf/dl-reloc.c
> +++ b/elf/dl-reloc.c
> @@ -162,6 +162,39 @@ _dl_nothread_init_static_tls (struct link_map *map)
>  }
>  #endif /* !THREAD_GSCOPE_IN_TCB */
>
> +/* Used by RESOLVE_MAP. _dl_relocate_object is either called at init time or
> + * by dlopen with a global lock, so the variables cannot be accessed
> + * concurrently.  */
> +static struct link_map *cur_l;
> +static struct r_scope_elem **cur_scope;
> +static const char *cur_strtab;
> +
> +/* This macro is used as a callback from the ELF_DYNAMIC_RELOCATE code.  */
> +#define RESOLVE_MAP(ref, version, r_type) \
> +    ({ struct link_map *l = cur_l;                                           \
> +      (ELFW(ST_BIND) ((*ref)->st_info) != STB_LOCAL                          \
> +      && __glibc_likely (!dl_symbol_visibility_binds_local_p (*ref)))        \
> +     ? ((__builtin_expect ((*ref) == l->l_lookup_cache.sym, 0)               \
> +        && elf_machine_type_class (r_type) == l->l_lookup_cache.type_class)  \
> +       ? (bump_num_cache_relocations (),                                     \
> +          (*ref) = l->l_lookup_cache.ret,                                    \
> +          l->l_lookup_cache.value)                                           \
> +       : ({ lookup_t _lr;                                                    \
> +            int _tc = elf_machine_type_class (r_type);                       \
> +            l->l_lookup_cache.type_class = _tc;                              \
> +            l->l_lookup_cache.sym = (*ref);                                  \
> +            const struct r_found_version *v = NULL;                          \
> +            if ((version) != NULL && (version)->hash != 0)                   \
> +              v = (version);                                                 \
> +            _lr = _dl_lookup_symbol_x (cur_strtab + (*ref)->st_name, l,      \
> +                                       (ref), cur_scope, v, _tc,             \
> +                                       DL_LOOKUP_ADD_DEPENDENCY, NULL);      \
> +            l->l_lookup_cache.ret = (*ref);                                  \
> +            l->l_lookup_cache.value = _lr; }))                               \
> +     : l; })
> +
> +#include "dynamic-link.h"
> +
>  void
>  _dl_relocate_object (struct link_map *l, struct r_scope_elem *scope[],
>                      int reloc_mode, int consider_profiling)
> @@ -243,36 +276,11 @@ _dl_relocate_object (struct link_map *l, struct r_scope_elem *scope[],
>    {
>      /* Do the actual relocation of the object's GOT and other data.  */
>
> -    /* String table object symbols.  */
> -    const char *strtab = (const void *) D_PTR (l, l_info[DT_STRTAB]);
> +    cur_l = l;
> +    cur_scope = scope;
> +    cur_strtab = (const void *) D_PTR (cur_l, l_info[DT_STRTAB]);
>
> -    /* This macro is used as a callback from the ELF_DYNAMIC_RELOCATE code.  */
> -#define RESOLVE_MAP(ref, version, r_type) \
> -    ((ELFW(ST_BIND) ((*ref)->st_info) != STB_LOCAL                           \
> -      && __glibc_likely (!dl_symbol_visibility_binds_local_p (*ref)))        \
> -     ? ((__builtin_expect ((*ref) == l->l_lookup_cache.sym, 0)               \
> -        && elf_machine_type_class (r_type) == l->l_lookup_cache.type_class)  \
> -       ? (bump_num_cache_relocations (),                                     \
> -          (*ref) = l->l_lookup_cache.ret,                                    \
> -          l->l_lookup_cache.value)                                           \
> -       : ({ lookup_t _lr;                                                    \
> -            int _tc = elf_machine_type_class (r_type);                       \
> -            l->l_lookup_cache.type_class = _tc;                              \
> -            l->l_lookup_cache.sym = (*ref);                                  \
> -            const struct r_found_version *v = NULL;                          \
> -            if ((version) != NULL && (version)->hash != 0)                   \
> -              v = (version);                                                 \
> -            _lr = _dl_lookup_symbol_x (strtab + (*ref)->st_name, l, (ref),   \
> -                                       scope, v, _tc,                        \
> -                                       DL_LOOKUP_ADD_DEPENDENCY              \
> -                                       | DL_LOOKUP_FOR_RELOCATE, NULL);      \
> -            l->l_lookup_cache.ret = (*ref);                                  \
> -            l->l_lookup_cache.value = _lr; }))                               \
> -     : l)
> -
> -#include "dynamic-link.h"
> -
> -    ELF_DYNAMIC_RELOCATE (l, lazy, consider_profiling, skip_ifunc);
> +    ELF_DYNAMIC_RELOCATE (l, lazy, consider_profiling, skip_ifunc, NULL);
>
>  #ifndef PROF
>      if (__glibc_unlikely (consider_profiling)
> diff --git a/elf/do-rel.h b/elf/do-rel.h
> index 321ac2b359..19fc6c085e 100644
> --- a/elf/do-rel.h
> +++ b/elf/do-rel.h
> @@ -37,11 +37,11 @@
>     relocations; they should be set up to call _dl_runtime_resolve, rather
>     than fully resolved now.  */
>
> -auto inline void __attribute__ ((always_inline))
> +static inline void __attribute__ ((always_inline))
>  elf_dynamic_do_Rel (struct link_map *map,
>                     ElfW(Addr) reladdr, ElfW(Addr) relsize,
>                     __typeof (((ElfW(Dyn) *) 0)->d_un.d_val) nrelative,
> -                   int lazy, int skip_ifunc)
> +                   int lazy, int skip_ifunc, struct link_map *boot_map)
>  {
>    const ElfW(Rel) *r = (const void *) reladdr;
>    const ElfW(Rel) *end = (const void *) (reladdr + relsize);
> @@ -136,7 +136,7 @@ elf_dynamic_do_Rel (struct link_map *map,
>               ElfW(Half) ndx = version[ELFW(R_SYM) (r->r_info)] & 0x7fff;
>               elf_machine_rel (map, r, &symtab[ELFW(R_SYM) (r->r_info)],
>                                &map->l_versions[ndx],
> -                              (void *) (l_addr + r->r_offset), skip_ifunc);
> +                              (void *) (l_addr + r->r_offset), skip_ifunc, boot_map);
>             }
>
>  #if defined ELF_MACHINE_IRELATIVE && !defined RTLD_BOOTSTRAP
> @@ -150,7 +150,7 @@ elf_dynamic_do_Rel (struct link_map *map,
>                                    &symtab[ELFW(R_SYM) (r2->r_info)],
>                                    &map->l_versions[ndx],
>                                    (void *) (l_addr + r2->r_offset),
> -                                  skip_ifunc);
> +                                  skip_ifunc, boot_map);
>                 }
>  #endif
>         }
> @@ -168,7 +168,7 @@ elf_dynamic_do_Rel (struct link_map *map,
>             else
>  # endif
>               elf_machine_rel (map, r, &symtab[ELFW(R_SYM) (r->r_info)], NULL,
> -                              (void *) (l_addr + r->r_offset), skip_ifunc);
> +                              (void *) (l_addr + r->r_offset), skip_ifunc, boot_map);
>
>  # ifdef ELF_MACHINE_IRELATIVE
>           if (r2 != NULL)
> @@ -176,7 +176,7 @@ elf_dynamic_do_Rel (struct link_map *map,
>               if (ELFW(R_TYPE) (r2->r_info) == ELF_MACHINE_IRELATIVE)
>                 elf_machine_rel (map, r2, &symtab[ELFW(R_SYM) (r2->r_info)],
>                                  NULL, (void *) (l_addr + r2->r_offset),
> -                                skip_ifunc);
> +                                skip_ifunc, boot_map);
>  # endif
>         }
>  #endif
> diff --git a/elf/dynamic-link.h b/elf/dynamic-link.h
> index 3eb24ba3a6..6d71427675 100644
> --- a/elf/dynamic-link.h
> +++ b/elf/dynamic-link.h
> @@ -59,30 +59,30 @@ int _dl_try_allocate_static_tls (struct link_map *map, bool optional)
>     copying memory, breaking the very code written to handle the
>     unaligned cases.  */
>  # if ! ELF_MACHINE_NO_REL
> -auto inline void __attribute__((always_inline))
> +static inline void __attribute__((always_inline))
>  elf_machine_rel (struct link_map *map, const ElfW(Rel) *reloc,
>                  const ElfW(Sym) *sym, const struct r_found_version *version,
> -                void *const reloc_addr, int skip_ifunc);
> -auto inline void __attribute__((always_inline))
> +                void *const reloc_addr, int skip_ifunc, struct link_map *boot_map);
> +static inline void __attribute__((always_inline))
>  elf_machine_rel_relative (ElfW(Addr) l_addr, const ElfW(Rel) *reloc,
>                           void *const reloc_addr);
>  # endif
>  # if ! ELF_MACHINE_NO_RELA
> -auto inline void __attribute__((always_inline))
> +static inline void __attribute__((always_inline))
>  elf_machine_rela (struct link_map *map, const ElfW(Rela) *reloc,
>                   const ElfW(Sym) *sym, const struct r_found_version *version,
> -                 void *const reloc_addr, int skip_ifunc);
> -auto inline void __attribute__((always_inline))
> +                 void *const reloc_addr, int skip_ifunc, struct link_map *boot_map);
> +static inline void __attribute__((always_inline))
>  elf_machine_rela_relative (ElfW(Addr) l_addr, const ElfW(Rela) *reloc,
>                            void *const reloc_addr);
>  # endif
>  # if ELF_MACHINE_NO_RELA || defined ELF_MACHINE_PLT_REL
> -auto inline void __attribute__((always_inline))
> +static inline void __attribute__((always_inline))
>  elf_machine_lazy_rel (struct link_map *map,
>                       ElfW(Addr) l_addr, const ElfW(Rel) *reloc,
>                       int skip_ifunc);
>  # else
> -auto inline void __attribute__((always_inline))
> +static inline void __attribute__((always_inline))
>  elf_machine_lazy_rel (struct link_map *map,
>                       ElfW(Addr) l_addr, const ElfW(Rela) *reloc,
>                       int skip_ifunc);
> @@ -114,7 +114,7 @@ elf_machine_lazy_rel (struct link_map *map,
>     consumes precisely the very end of the DT_REL*, or DT_JMPREL and DT_REL*
>     are completely separate and there is a gap between them.  */
>
> -# define _ELF_DYNAMIC_DO_RELOC(RELOC, reloc, map, do_lazy, skip_ifunc, test_rel) \
> +# define _ELF_DYNAMIC_DO_RELOC(RELOC, reloc, map, do_lazy, skip_ifunc, test_rel, boot_map) \
>    do {                                                                       \
>      struct { ElfW(Addr) start, size;                                         \
>              __typeof (((ElfW(Dyn) *) 0)->d_un.d_val) nrelative; int lazy; }  \
> @@ -153,7 +153,7 @@ elf_machine_lazy_rel (struct link_map *map,
>                                                                               \
>      if (ELF_DURING_STARTUP)                                                  \
>        elf_dynamic_do_##reloc ((map), ranges[0].start, ranges[0].size,        \
> -                             ranges[0].nrelative, 0, skip_ifunc);            \
> +                             ranges[0].nrelative, 0, skip_ifunc, boot_map);  \
>      else                                                                     \
>        {                                                                              \
>         int ranges_index;                                                     \
> @@ -163,7 +163,7 @@ elf_machine_lazy_rel (struct link_map *map,
>                                   ranges[ranges_index].size,                  \
>                                   ranges[ranges_index].nrelative,             \
>                                   ranges[ranges_index].lazy,                  \
> -                                 skip_ifunc);                                \
> +                                 skip_ifunc, boot_map);                      \
>        }                                                                              \
>    } while (0)
>
> @@ -175,29 +175,29 @@ elf_machine_lazy_rel (struct link_map *map,
>
>  # if ! ELF_MACHINE_NO_REL
>  #  include "do-rel.h"
> -#  define ELF_DYNAMIC_DO_REL(map, lazy, skip_ifunc) \
> -  _ELF_DYNAMIC_DO_RELOC (REL, Rel, map, lazy, skip_ifunc, _ELF_CHECK_REL)
> +#  define ELF_DYNAMIC_DO_REL(map, lazy, skip_ifunc, boot_map)                  \
> +  _ELF_DYNAMIC_DO_RELOC (REL, Rel, map, lazy, skip_ifunc, _ELF_CHECK_REL, boot_map)
>  # else
> -#  define ELF_DYNAMIC_DO_REL(map, lazy, skip_ifunc) /* Nothing to do.  */
> +#  define ELF_DYNAMIC_DO_REL(map, lazy, skip_ifunc, boot_map) /* Nothing to do.  */
>  # endif
>
>  # if ! ELF_MACHINE_NO_RELA
>  #  define DO_RELA
>  #  include "do-rel.h"
> -#  define ELF_DYNAMIC_DO_RELA(map, lazy, skip_ifunc) \
> -  _ELF_DYNAMIC_DO_RELOC (RELA, Rela, map, lazy, skip_ifunc, _ELF_CHECK_REL)
> +#  define ELF_DYNAMIC_DO_RELA(map, lazy, skip_ifunc, boot_map)                 \
> +  _ELF_DYNAMIC_DO_RELOC (RELA, Rela, map, lazy, skip_ifunc, _ELF_CHECK_REL, boot_map)
>  # else
> -#  define ELF_DYNAMIC_DO_RELA(map, lazy, skip_ifunc) /* Nothing to do.  */
> +#  define ELF_DYNAMIC_DO_RELA(map, lazy, skip_ifunc, boot_map) /* Nothing to do.  */
>  # endif
>
>  /* This can't just be an inline function because GCC is too dumb
>     to inline functions containing inlines themselves.  */
> -# define ELF_DYNAMIC_RELOCATE(map, lazy, consider_profile, skip_ifunc) \
> +# define ELF_DYNAMIC_RELOCATE(map, lazy, consider_profile, skip_ifunc, boot_map) \
>    do {                                                                       \
>      int edr_lazy = elf_machine_runtime_setup ((map), (lazy),                 \
>                                               (consider_profile));            \
> -    ELF_DYNAMIC_DO_REL ((map), edr_lazy, skip_ifunc);                        \
> -    ELF_DYNAMIC_DO_RELA ((map), edr_lazy, skip_ifunc);                       \
> +    ELF_DYNAMIC_DO_REL ((map), edr_lazy, skip_ifunc, boot_map);                      \
> +    ELF_DYNAMIC_DO_RELA ((map), edr_lazy, skip_ifunc, boot_map);             \
>    } while (0)
>
>  #endif
> diff --git a/elf/get-dynamic-info.h b/elf/get-dynamic-info.h
> index d8ec32377d..5827ae6e24 100644
> --- a/elf/get-dynamic-info.h
> +++ b/elf/get-dynamic-info.h
> @@ -19,6 +19,8 @@
>  /* This file is included multiple times and therefore lacks a header
>     file inclusion guard.  */
>
> +#ifndef _GET_DYNAMIC_INFO_H
> +
>  #include <assert.h>
>  #include <libc-diag.h>
>
> @@ -180,3 +182,6 @@ elf_get_dynamic_info (struct link_map *l, ElfW(Dyn) *temp)
>      info[DT_RPATH] = NULL;
>  #endif
>  }
> +
> +#define _GET_DYNAMIC_INFO_H
> +#endif
> diff --git a/elf/rtld.c b/elf/rtld.c
> index 878e6480f4..c62efa7308 100644
> --- a/elf/rtld.c
> +++ b/elf/rtld.c
> @@ -499,13 +499,9 @@ _dl_start_final (void *arg, struct dl_start_final_info *info)
>    return start_addr;
>  }
>
> -static ElfW(Addr) __attribute_used__
> -_dl_start (void *arg)
> -{
>  #ifdef DONT_USE_BOOTSTRAP_MAP
>  # define bootstrap_map GL(dl_rtld_map)
>  #else
> -  struct dl_start_final_info info;
>  # define bootstrap_map info.l
>  #endif
>
> @@ -518,9 +514,13 @@ _dl_start (void *arg)
>  #define RESOLVE_MAP(sym, version, flags) BOOTSTRAP_MAP
>  #include "dynamic-link.h"
>
> +static ElfW(Addr) __attribute_used__
> +_dl_start (void *arg)
> +{
>  #ifdef DONT_USE_BOOTSTRAP_MAP
>    rtld_timer_start (&start_time);
>  #else
> +  struct dl_start_final_info info;
>    rtld_timer_start (&info.start_time);
>  #endif
>
> @@ -561,7 +561,7 @@ _dl_start (void *arg)
>        /* Relocate ourselves so we can do normal function calls and
>          data access using the global offset table.  */
>
> -      ELF_DYNAMIC_RELOCATE (&bootstrap_map, 0, 0, 0);
> +      ELF_DYNAMIC_RELOCATE (&bootstrap_map, 0, 0, 0, &bootstrap_map);
>      }
>    bootstrap_map.l_relocated = 1;
>
> diff --git a/sysdeps/aarch64/dl-machine.h b/sysdeps/aarch64/dl-machine.h
> index 3e10cb462f..ab9e5c4d4b 100644
> --- a/sysdeps/aarch64/dl-machine.h
> +++ b/sysdeps/aarch64/dl-machine.h
> @@ -237,11 +237,12 @@ elf_machine_plt_value (struct link_map *map,
>
>  #ifdef RESOLVE_MAP
>
> -auto inline void
> +static inline void
>  __attribute__ ((always_inline))
>  elf_machine_rela (struct link_map *map, const ElfW(Rela) *reloc,
>                   const ElfW(Sym) *sym, const struct r_found_version *version,
> -                 void *const reloc_addr_arg, int skip_ifunc)
> +                 void *const reloc_addr_arg, int skip_ifunc,
> +                 struct link_map *boot_map)
>  {
>    ElfW(Addr) *const reloc_addr = reloc_addr_arg;
>    const unsigned int r_type = ELFW (R_TYPE) (reloc->r_info);
> @@ -253,7 +254,11 @@ elf_machine_rela (struct link_map *map, const ElfW(Rela) *reloc,
>    else
>      {
>        const ElfW(Sym) *const refsym = sym;
> +#if defined RTLD_BOOTSTRAP || defined STATIC_PIE_BOOTSTRAP
> +      struct link_map *sym_map = boot_map;
> +#else
>        struct link_map *sym_map = RESOLVE_MAP (&sym, version, r_type);
> +#endif
>        ElfW(Addr) value = SYMBOL_ADDRESS (sym_map, sym, true);
>
>        if (sym != NULL
> @@ -377,7 +382,7 @@ elf_machine_rela_relative (ElfW(Addr) l_addr,
>    *reloc_addr = l_addr + reloc->r_addend;
>  }
>
> -inline void
> +static inline void
>  __attribute__ ((always_inline))
>  elf_machine_lazy_rel (struct link_map *map,
>                       ElfW(Addr) l_addr,
> @@ -407,7 +412,7 @@ elf_machine_lazy_rel (struct link_map *map,
>                   version = &map->l_versions[vernum[symndx] & 0x7fff];
>                 }
>               elf_machine_rela (map, reloc, sym, version, reloc_addr,
> -                               skip_ifunc);
> +                               skip_ifunc, NULL);
>               return;
>             }
>         }
> @@ -433,7 +438,8 @@ elf_machine_lazy_rel (struct link_map *map,
>
>        /* Always initialize TLS descriptors completely, because lazy
>          initialization requires synchronization at every TLS access.  */
> -      elf_machine_rela (map, reloc, sym, version, reloc_addr, skip_ifunc);
> +      elf_machine_rela (map, reloc, sym, version, reloc_addr, skip_ifunc,
> +                        NULL);
>      }
>    else if (__glibc_unlikely (r_type == AARCH64_R(IRELATIVE)))
>      {
> diff --git a/sysdeps/alpha/dl-machine.h b/sysdeps/alpha/dl-machine.h
> index 2cd2213d9a..dc22baa68a 100644
> --- a/sysdeps/alpha/dl-machine.h
> +++ b/sysdeps/alpha/dl-machine.h
> @@ -361,14 +361,15 @@ elf_machine_plt_value (struct link_map *map, const Elf64_Rela *reloc,
>
>  /* Perform the relocation specified by RELOC and SYM (which is fully resolved).
>     MAP is the object containing the reloc.  */
> -auto inline void
> +static inline void
>  __attribute__ ((always_inline))
>  elf_machine_rela (struct link_map *map,
>                   const Elf64_Rela *reloc,
>                   const Elf64_Sym *sym,
>                   const struct r_found_version *version,
>                   void *const reloc_addr_arg,
> -                 int skip_ifunc)
> +                 int skip_ifunc,
> +                 struct link_map *boot_map)
>  {
>    Elf64_Addr *const reloc_addr = reloc_addr_arg;
>    unsigned long int const r_type = ELF64_R_TYPE (reloc->r_info);
> @@ -411,7 +412,11 @@ elf_machine_rela (struct link_map *map,
>        return;
>    else
>      {
> +#if defined RTLD_BOOTSTRAP || defined STATIC_PIE_BOOTSTRAP
> +      struct link_map *sym_map = boot_map;
> +#else
>        struct link_map *sym_map = RESOLVE_MAP (&sym, version, r_type);
> +#endif
>        Elf64_Addr sym_value;
>        Elf64_Addr sym_raw_value;
>
> @@ -489,7 +494,7 @@ elf_machine_rela (struct link_map *map,
>     can be skipped.  */
>  #define ELF_MACHINE_REL_RELATIVE 1
>
> -auto inline void
> +static inline void
>  __attribute__ ((always_inline))
>  elf_machine_rela_relative (Elf64_Addr l_addr, const Elf64_Rela *reloc,
>                            void *const reloc_addr_arg)
> @@ -506,7 +511,7 @@ elf_machine_rela_relative (Elf64_Addr l_addr, const Elf64_Rela *reloc,
>    memcpy (reloc_addr_arg, &reloc_addr_val, 8);
>  }
>
> -auto inline void
> +static inline void
>  __attribute__ ((always_inline))
>  elf_machine_lazy_rel (struct link_map *map,
>                       Elf64_Addr l_addr, const Elf64_Rela *reloc,
> diff --git a/sysdeps/arc/dl-machine.h b/sysdeps/arc/dl-machine.h
> index e6ce7f0ff6..1054530321 100644
> --- a/sysdeps/arc/dl-machine.h
> +++ b/sysdeps/arc/dl-machine.h
> @@ -228,11 +228,11 @@ elf_machine_fixup_plt (struct link_map *map, lookup_t t,
>
>  #ifdef RESOLVE_MAP
>
> -inline void
> +static inline void
>  __attribute__ ((always_inline))
>  elf_machine_rela (struct link_map *map, const ElfW(Rela) *reloc,
>                    const ElfW(Sym) *sym, const struct r_found_version *version,
> -                  void *const reloc_addr_arg, int skip_ifunc)
> +                  void *const reloc_addr_arg, int skip_ifunc, struct link_map *boot_map)
>  {
>    ElfW(Addr) r_info = reloc->r_info;
>    const unsigned long int r_type = ELFW (R_TYPE) (r_info);
> @@ -245,7 +245,11 @@ elf_machine_rela (struct link_map *map, const ElfW(Rela) *reloc,
>    else
>      {
>        const ElfW(Sym) *const refsym = sym;
> +#if defined RTLD_BOOTSTRAP || defined STATIC_PIE_BOOTSTRAP
> +      struct link_map *sym_map = boot_map;
> +#else
>        struct link_map *sym_map = RESOLVE_MAP (&sym, version, r_type);
> +#endif
>        ElfW(Addr) value = SYMBOL_ADDRESS (sym_map, sym, true);
>
>        switch (r_type)
> diff --git a/sysdeps/arm/dl-machine.h b/sysdeps/arm/dl-machine.h
> index eb13cb8b57..84f84a1965 100644
> --- a/sysdeps/arm/dl-machine.h
> +++ b/sysdeps/arm/dl-machine.h
> @@ -276,7 +276,7 @@ elf_machine_plt_value (struct link_map *map, const Elf32_Rel *reloc,
>
>  #ifdef RESOLVE_MAP
>  /* Handle a PC24 reloc, including the out-of-range case.  */
> -auto void
> +static void
>  relocate_pc24 (struct link_map *map, Elf32_Addr value,
>                 Elf32_Addr *const reloc_addr, Elf32_Sword addend)
>  {
> @@ -330,11 +330,11 @@ relocate_pc24 (struct link_map *map, Elf32_Addr value,
>  /* Perform the relocation specified by RELOC and SYM (which is fully resolved).
>     MAP is the object containing the reloc.  */
>
> -auto inline void
> +static inline void
>  __attribute__ ((always_inline))
>  elf_machine_rel (struct link_map *map, const Elf32_Rel *reloc,
>                  const Elf32_Sym *sym, const struct r_found_version *version,
> -                void *const reloc_addr_arg, int skip_ifunc)
> +                void *const reloc_addr_arg, int skip_ifunc, struct link_map *boot_map)
>  {
>    Elf32_Addr *const reloc_addr = reloc_addr_arg;
>    const unsigned int r_type = ELF32_R_TYPE (reloc->r_info);
> @@ -364,7 +364,11 @@ elf_machine_rel (struct link_map *map, const Elf32_Rel *reloc,
>  #endif
>      {
>        const Elf32_Sym *const refsym = sym;
> +#if defined RTLD_BOOTSTRAP || defined STATIC_PIE_BOOTSTRAP
> +      struct link_map *sym_map = boot_map;
> +#else
>        struct link_map *sym_map = RESOLVE_MAP (&sym, version, r_type);
> +#endif
>        Elf32_Addr value = SYMBOL_ADDRESS (sym_map, sym, true);
>
>        if (sym != NULL
> @@ -508,11 +512,11 @@ elf_machine_rel (struct link_map *map, const Elf32_Rel *reloc,
>  }
>
>  # ifndef RTLD_BOOTSTRAP
> -auto inline void
> +static inline void
>  __attribute__ ((always_inline))
>  elf_machine_rela (struct link_map *map, const Elf32_Rela *reloc,
>                   const Elf32_Sym *sym, const struct r_found_version *version,
> -                 void *const reloc_addr_arg, int skip_ifunc)
> +                 void *const reloc_addr_arg, int skip_ifunc, struct link_map *boot_map)
>  {
>    Elf32_Addr *const reloc_addr = reloc_addr_arg;
>    const unsigned int r_type = ELF32_R_TYPE (reloc->r_info);
> @@ -601,7 +605,7 @@ elf_machine_rela (struct link_map *map, const Elf32_Rela *reloc,
>  }
>  # endif
>
> -auto inline void
> +static inline void
>  __attribute__ ((always_inline))
>  elf_machine_rel_relative (Elf32_Addr l_addr, const Elf32_Rel *reloc,
>                           void *const reloc_addr_arg)
> @@ -611,7 +615,7 @@ elf_machine_rel_relative (Elf32_Addr l_addr, const Elf32_Rel *reloc,
>  }
>
>  # ifndef RTLD_BOOTSTRAP
> -auto inline void
> +static inline void
>  __attribute__ ((always_inline))
>  elf_machine_rela_relative (Elf32_Addr l_addr, const Elf32_Rela *reloc,
>                            void *const reloc_addr_arg)
> @@ -621,7 +625,7 @@ elf_machine_rela_relative (Elf32_Addr l_addr, const Elf32_Rela *reloc,
>  }
>  # endif
>
> -auto inline void
> +static inline void
>  __attribute__ ((always_inline))
>  elf_machine_lazy_rel (struct link_map *map,
>                       Elf32_Addr l_addr, const Elf32_Rel *reloc,
> @@ -653,7 +657,7 @@ elf_machine_lazy_rel (struct link_map *map,
>
>        /* Always initialize TLS descriptors completely, because lazy
>          initialization requires synchronization at every TLS access.  */
> -      elf_machine_rel (map, reloc, sym, version, reloc_addr, skip_ifunc);
> +      elf_machine_rel (map, reloc, sym, version, reloc_addr, skip_ifunc, NULL);
>      }
>    else
>      _dl_reloc_bad_type (map, r_type, 1);
> diff --git a/sysdeps/csky/dl-machine.h b/sysdeps/csky/dl-machine.h
> index b08f06d74c..8702fe9917 100644
> --- a/sysdeps/csky/dl-machine.h
> +++ b/sysdeps/csky/dl-machine.h
> @@ -215,10 +215,10 @@ elf_machine_plt_value (struct link_map *map, const Elf32_Rela *reloc,
>  /* Perform the relocation specified by RELOC and SYM (which is fully resolved).
>     MAP is the object containing the reloc.  */
>
> -auto inline void __attribute__ ((unused, always_inline))
> +static inline void __attribute__ ((unused, always_inline))
>  elf_machine_rela (struct link_map *map, const Elf32_Rela *reloc,
>                   const Elf32_Sym *sym, const struct r_found_version *version,
> -                 void *const reloc_addr_arg, int skip_ifunc)
> +                 void *const reloc_addr_arg, int skip_ifunc, struct link_map *boot_map)
>  {
>    Elf32_Addr *const reloc_addr = reloc_addr_arg;
>    const unsigned int r_type = ELF32_R_TYPE (reloc->r_info);
> @@ -230,7 +230,11 @@ elf_machine_rela (struct link_map *map, const Elf32_Rela *reloc,
>    else
>      {
>        const Elf32_Sym *const refsym = sym;
> +#if defined RTLD_BOOTSTRAP || defined STATIC_PIE_BOOTSTRAP
> +      struct link_map *sym_map = boot_map;
> +#else
>        struct link_map *sym_map = RESOLVE_MAP (&sym, version, r_type);
> +#endif
>        ElfW(Addr) value = SYMBOL_ADDRESS (sym_map, sym, true);
>        opcode16_addr = (unsigned short *)reloc_addr;
>
> @@ -331,7 +335,7 @@ elf_machine_rela (struct link_map *map, const Elf32_Rela *reloc,
>      }
>  }
>
> -auto inline void __attribute__ ((unused, always_inline))
> +static inline void __attribute__ ((unused, always_inline))
>  elf_machine_rela_relative (Elf32_Addr l_addr, const Elf32_Rela *reloc,
>                            void *const reloc_addr_arg)
>  {
> @@ -339,7 +343,7 @@ elf_machine_rela_relative (Elf32_Addr l_addr, const Elf32_Rela *reloc,
>    *reloc_addr = l_addr + reloc->r_addend;
>  }
>
> -auto inline void __attribute__ ((unused, always_inline))
> +static inline void __attribute__ ((unused, always_inline))
>  elf_machine_lazy_rel (struct link_map *map,
>                       Elf32_Addr l_addr, const Elf32_Rela *reloc,
>                       int skip_ifunc)
> diff --git a/sysdeps/hppa/dl-machine.h b/sysdeps/hppa/dl-machine.h
> index f048fd2072..4aa159cfbd 100644
> --- a/sysdeps/hppa/dl-machine.h
> +++ b/sysdeps/hppa/dl-machine.h
> @@ -549,13 +549,13 @@ dl_platform_init (void)
>    (  (((as14) & 0x1fff) << 1) \
>     | (((as14) & 0x2000) >> 13))
>
> -auto void __attribute__((always_inline))
> +static void __attribute__((always_inline))
>  elf_machine_rela (struct link_map *map,
>                   const Elf32_Rela *reloc,
>                   const Elf32_Sym *sym,
>                   const struct r_found_version *version,
>                   void *const reloc_addr_arg,
> -                 int skip_ifunc)
> +                 int skip_ifunc, struct link_map *boot_map)
>  {
>    Elf32_Addr *const reloc_addr = reloc_addr_arg;
>    const Elf32_Sym *const refsym = sym;
> @@ -581,7 +581,7 @@ elf_machine_rela (struct link_map *map,
>  # ifdef RTLD_BOOTSTRAP
>    /* RESOLVE_MAP in rtld.c doesn't have the local sym test.  */
>    sym_map = (ELF32_ST_BIND (sym->st_info) != STB_LOCAL
> -            ? RESOLVE_MAP (&sym, version, r_type) : map);
> +            ? boot_map : map);
>  # else
>    sym_map = RESOLVE_MAP (&sym, version, r_type);
>  # endif
> @@ -741,7 +741,7 @@ elf_machine_rela (struct link_map *map,
>
>  /* hppa doesn't have an R_PARISC_RELATIVE reloc, but uses relocs with
>     ELF32_R_SYM (info) == 0 for a similar purpose.  */
> -auto void __attribute__((always_inline))
> +static void __attribute__((always_inline))
>  elf_machine_rela_relative (Elf32_Addr l_addr,
>                            const Elf32_Rela *reloc,
>                            void *const reloc_addr_arg)
> @@ -794,7 +794,7 @@ elf_machine_rela_relative (Elf32_Addr l_addr,
>    *reloc_addr = value;
>  }
>
> -auto void __attribute__((always_inline))
> +static void __attribute__((always_inline))
>  elf_machine_lazy_rel (struct link_map *map,
>                       Elf32_Addr l_addr, const Elf32_Rela *reloc,
>                       int skip_ifunc)
> diff --git a/sysdeps/i386/dl-machine.h b/sysdeps/i386/dl-machine.h
> index 590b41d8d7..9028e53ff1 100644
> --- a/sysdeps/i386/dl-machine.h
> +++ b/sysdeps/i386/dl-machine.h
> @@ -291,11 +291,11 @@ elf_machine_plt_value (struct link_map *map, const Elf32_Rel *reloc,
>  /* Perform the relocation specified by RELOC and SYM (which is fully resolved).
>     MAP is the object containing the reloc.  */
>
> -auto inline void
> +static inline void
>  __attribute ((always_inline))
>  elf_machine_rel (struct link_map *map, const Elf32_Rel *reloc,
>                  const Elf32_Sym *sym, const struct r_found_version *version,
> -                void *const reloc_addr_arg, int skip_ifunc)
> +                void *const reloc_addr_arg, int skip_ifunc, struct link_map *boot_map)
>  {
>    Elf32_Addr *const reloc_addr = reloc_addr_arg;
>    const unsigned int r_type = ELF32_R_TYPE (reloc->r_info);
> @@ -498,11 +498,11 @@ and creates an unsatisfiable circular dependency.\n",
>  }
>
>  # ifndef RTLD_BOOTSTRAP
> -auto inline void
> +static inline void
>  __attribute__ ((always_inline))
>  elf_machine_rela (struct link_map *map, const Elf32_Rela *reloc,
>                   const Elf32_Sym *sym, const struct r_found_version *version,
> -                 void *const reloc_addr_arg, int skip_ifunc)
> +                 void *const reloc_addr_arg, int skip_ifunc, struct link_map *boot_map)
>  {
>    Elf32_Addr *const reloc_addr = reloc_addr_arg;
>    const unsigned int r_type = ELF32_R_TYPE (reloc->r_info);
> @@ -647,7 +647,7 @@ elf_machine_rela (struct link_map *map, const Elf32_Rela *reloc,
>  }
>  # endif        /* !RTLD_BOOTSTRAP */
>
> -auto inline void
> +static inline void
>  __attribute ((always_inline))
>  elf_machine_rel_relative (Elf32_Addr l_addr, const Elf32_Rel *reloc,
>                           void *const reloc_addr_arg)
> @@ -658,7 +658,7 @@ elf_machine_rel_relative (Elf32_Addr l_addr, const Elf32_Rel *reloc,
>  }
>
>  # ifndef RTLD_BOOTSTRAP
> -auto inline void
> +static inline void
>  __attribute__ ((always_inline))
>  elf_machine_rela_relative (Elf32_Addr l_addr, const Elf32_Rela *reloc,
>                            void *const reloc_addr_arg)
> @@ -668,7 +668,7 @@ elf_machine_rela_relative (Elf32_Addr l_addr, const Elf32_Rela *reloc,
>  }
>  # endif        /* !RTLD_BOOTSTRAP */
>
> -auto inline void
> +static inline void
>  __attribute__ ((always_inline))
>  elf_machine_lazy_rel (struct link_map *map,
>                       Elf32_Addr l_addr, const Elf32_Rel *reloc,
> @@ -707,12 +707,12 @@ elf_machine_lazy_rel (struct link_map *map,
>           ElfW(Half) ndx = version[ELFW(R_SYM) (r->r_info)] & 0x7fff;
>           elf_machine_rel (map, r, &symtab[ELFW(R_SYM) (r->r_info)],
>                            &map->l_versions[ndx],
> -                          (void *) (l_addr + r->r_offset), skip_ifunc);
> +                          (void *) (l_addr + r->r_offset), skip_ifunc, NULL);
>         }
>  # ifndef RTLD_BOOTSTRAP
>        else
>         elf_machine_rel (map, r, &symtab[ELFW(R_SYM) (r->r_info)], NULL,
> -                        (void *) (l_addr + r->r_offset), skip_ifunc);
> +                        (void *) (l_addr + r->r_offset), skip_ifunc, NULL);
>  # endif
>      }
>    else if (__glibc_unlikely (r_type == R_386_IRELATIVE))
> @@ -728,7 +728,7 @@ elf_machine_lazy_rel (struct link_map *map,
>
>  # ifndef RTLD_BOOTSTRAP
>
> -auto inline void
> +static inline void
>  __attribute__ ((always_inline))
>  elf_machine_lazy_rela (struct link_map *map,
>                        Elf32_Addr l_addr, const Elf32_Rela *reloc,
> @@ -754,7 +754,7 @@ elf_machine_lazy_rela (struct link_map *map,
>
>        /* Always initialize TLS descriptors completely at load time, in
>          case static TLS is allocated for it that requires locking.  */
> -      elf_machine_rela (map, reloc, sym, version, reloc_addr, skip_ifunc);
> +      elf_machine_rela (map, reloc, sym, version, reloc_addr, skip_ifunc, NULL);
>      }
>    else if (__glibc_unlikely (r_type == R_386_IRELATIVE))
>      {
> diff --git a/sysdeps/ia64/dl-machine.h b/sysdeps/ia64/dl-machine.h
> index 4403e7767a..8390148134 100644
> --- a/sysdeps/ia64/dl-machine.h
> +++ b/sysdeps/ia64/dl-machine.h
> @@ -371,14 +371,14 @@ elf_machine_plt_value (struct link_map *map, const Elf64_Rela *reloc,
>
>  /* Perform the relocation specified by RELOC and SYM (which is fully
>     resolved).  MAP is the object containing the reloc.  */
> -auto inline void
> +static inline void
>  __attribute ((always_inline))
>  elf_machine_rela (struct link_map *map,
>                   const Elf64_Rela *reloc,
>                   const Elf64_Sym *sym,
>                   const struct r_found_version *version,
>                   void *const reloc_addr_arg,
> -                 int skip_ifunc)
> +                 int skip_ifunc, struct link_map *boot_map)
>  {
>    Elf64_Addr *const reloc_addr = reloc_addr_arg;
>    const unsigned long int r_type = ELF64_R_TYPE (reloc->r_info);
> @@ -414,10 +414,14 @@ elf_machine_rela (struct link_map *map,
>        return;
>    else
>      {
> -      struct link_map *sym_map;
> +#if defined RTLD_BOOTSTRAP || defined STATIC_PIE_BOOTSTRAP
> +      struct link_map *sym_map = boot_map;
> +#else
> +      struct link_map *sym_map = RESOLVE_MAP (&sym, version, r_type);
> +#endif
>
>        /* RESOLVE_MAP() will return NULL if it fail to locate the symbol.  */
> -      if ((sym_map = RESOLVE_MAP (&sym, version, r_type)))
> +      if (sym_map != NULL)
>         {
>           value = SYMBOL_ADDRESS (sym_map, sym, true) + reloc->r_addend;
>
> @@ -476,7 +480,7 @@ elf_machine_rela (struct link_map *map,
>     can be skipped.  */
>  #define ELF_MACHINE_REL_RELATIVE 1
>
> -auto inline void
> +static inline void
>  __attribute ((always_inline))
>  elf_machine_rela_relative (Elf64_Addr l_addr, const Elf64_Rela *reloc,
>                            void *const reloc_addr_arg)
> @@ -489,7 +493,7 @@ elf_machine_rela_relative (Elf64_Addr l_addr, const Elf64_Rela *reloc,
>  }
>
>  /* Perform a RELATIVE reloc on the .got entry that transfers to the .plt.  */
> -auto inline void
> +static inline void
>  __attribute ((always_inline))
>  elf_machine_lazy_rel (struct link_map *map,
>                       Elf64_Addr l_addr, const Elf64_Rela *reloc,
> diff --git a/sysdeps/m68k/dl-machine.h b/sysdeps/m68k/dl-machine.h
> index 86a8c67e2a..9c7657c636 100644
> --- a/sysdeps/m68k/dl-machine.h
> +++ b/sysdeps/m68k/dl-machine.h
> @@ -215,10 +215,10 @@ elf_machine_plt_value (struct link_map *map, const Elf32_Rela *reloc,
>  /* Perform the relocation specified by RELOC and SYM (which is fully resolved).
>     MAP is the object containing the reloc.  */
>
> -auto inline void __attribute__ ((unused, always_inline))
> +static inline void __attribute__ ((unused, always_inline))
>  elf_machine_rela (struct link_map *map, const Elf32_Rela *reloc,
>                   const Elf32_Sym *sym, const struct r_found_version *version,
> -                 void *const reloc_addr_arg, int skip_ifunc)
> +                 void *const reloc_addr_arg, int skip_ifunc, struct link_map *boot_map)
>  {
>    Elf32_Addr *const reloc_addr = reloc_addr_arg;
>    const unsigned int r_type = ELF32_R_TYPE (reloc->r_info);
> @@ -228,7 +228,11 @@ elf_machine_rela (struct link_map *map, const Elf32_Rela *reloc,
>    else
>      {
>        const Elf32_Sym *const refsym = sym;
> +#if defined RTLD_BOOTSTRAP || defined STATIC_PIE_BOOTSTRAP
> +      struct link_map *sym_map = boot_map;
> +#else
>        struct link_map *sym_map = RESOLVE_MAP (&sym, version, r_type);
> +#endif
>        Elf32_Addr value = SYMBOL_ADDRESS (sym_map, sym, true);
>
>        switch (r_type)
> @@ -303,7 +307,7 @@ elf_machine_rela (struct link_map *map, const Elf32_Rela *reloc,
>      }
>  }
>
> -auto inline void __attribute__ ((unused, always_inline))
> +static inline void __attribute__ ((unused, always_inline))
>  elf_machine_rela_relative (Elf32_Addr l_addr, const Elf32_Rela *reloc,
>                            void *const reloc_addr_arg)
>  {
> @@ -311,7 +315,7 @@ elf_machine_rela_relative (Elf32_Addr l_addr, const Elf32_Rela *reloc,
>    *reloc_addr = l_addr + reloc->r_addend;
>  }
>
> -auto inline void __attribute__ ((unused, always_inline))
> +static inline void __attribute__ ((unused, always_inline))
>  elf_machine_lazy_rel (struct link_map *map,
>                       Elf32_Addr l_addr, const Elf32_Rela *reloc,
>                       int skip_ifunc)
> diff --git a/sysdeps/microblaze/dl-machine.h b/sysdeps/microblaze/dl-machine.h
> index e460f6f195..3e54676afe 100644
> --- a/sysdeps/microblaze/dl-machine.h
> +++ b/sysdeps/microblaze/dl-machine.h
> @@ -207,10 +207,10 @@ elf_machine_plt_value (struct link_map *map, const Elf32_Rela *reloc,
>      ((unsigned short *)(rel_addr))[3] = (val) & 0xffff; \
>    } while (0)
>
> -auto inline void __attribute__ ((always_inline))
> +static inline void __attribute__ ((always_inline))
>  elf_machine_rela (struct link_map *map, const Elf32_Rela *reloc,
>                   const Elf32_Sym *sym, const struct r_found_version *version,
> -                 void *const reloc_addr_arg, int skip_ifunc)
> +                 void *const reloc_addr_arg, int skip_ifunc, struct link_map *boot_map)
>  {
>    Elf32_Addr *const reloc_addr = reloc_addr_arg;
>    const int r_type = ELF32_R_TYPE (reloc->r_info);
> @@ -222,7 +222,11 @@ elf_machine_rela (struct link_map *map, const Elf32_Rela *reloc,
>    else
>      {
>        const Elf32_Sym *const refsym = sym;
> +#if defined RTLD_BOOTSTRAP || defined STATIC_PIE_BOOTSTRAP
> +      struct link_map *sym_map = boot_map;
> +#else
>        struct link_map *sym_map = RESOLVE_MAP (&sym, version, r_type);
> +#endif
>        Elf32_Addr value = SYMBOL_ADDRESS (sym_map, sym, true);
>
>        value += reloc->r_addend;
> @@ -277,7 +281,7 @@ elf_machine_rela (struct link_map *map, const Elf32_Rela *reloc,
>      }
>  }
>
> -auto inline void
> +static inline void
>  elf_machine_rela_relative (Elf32_Addr l_addr, const Elf32_Rela *reloc,
>                            void *const reloc_addr_arg)
>  {
> @@ -285,7 +289,7 @@ elf_machine_rela_relative (Elf32_Addr l_addr, const Elf32_Rela *reloc,
>    PUT_REL_64 (reloc_addr, l_addr + reloc->r_addend);
>  }
>
> -auto inline void
> +static inline void
>  elf_machine_lazy_rel (struct link_map *map,
>                       Elf32_Addr l_addr, const Elf32_Rela *reloc,
>                       int skip_ifunc)
> diff --git a/sysdeps/mips/dl-machine.h b/sysdeps/mips/dl-machine.h
> index d9c6d33d0c..2293ea0b3e 100644
> --- a/sysdeps/mips/dl-machine.h
> +++ b/sysdeps/mips/dl-machine.h
> @@ -475,11 +475,12 @@ elf_machine_plt_value (struct link_map *map, const ElfW(Rel) *reloc,
>     by RELOC_ADDR.  SYM is the relocation symbol specified by R_INFO and
>     MAP is the object containing the reloc.  */
>
> -auto inline void
> +static inline void
>  __attribute__ ((always_inline))
>  elf_machine_reloc (struct link_map *map, ElfW(Addr) r_info,
>                    const ElfW(Sym) *sym, const struct r_found_version *version,
> -                  void *reloc_addr, ElfW(Addr) r_addend, int inplace_p)
> +                  void *reloc_addr, ElfW(Addr) r_addend, int inplace_p,
> +                  struct link_map *boot_map)
>  {
>    const unsigned long int r_type = ELFW(R_TYPE) (r_info);
>    ElfW(Addr) *addr_field = (ElfW(Addr) *) reloc_addr;
> @@ -507,7 +508,11 @@ elf_machine_reloc (struct link_map *map, ElfW(Addr) r_info,
>      case R_MIPS_TLS_TPREL32:
>  # endif
>        {
> -       struct link_map *sym_map = RESOLVE_MAP (&sym, version, r_type);
> +#if defined RTLD_BOOTSTRAP || defined STATIC_PIE_BOOTSTRAP
> +      struct link_map *sym_map = boot_map;
> +#else
> +      struct link_map *sym_map = RESOLVE_MAP (&sym, version, r_type);
> +#endif
>
>         switch (r_type)
>           {
> @@ -647,7 +652,11 @@ elf_machine_reloc (struct link_map *map, ElfW(Addr) r_info,
>           _dl_signal_error (0, map->l_name, NULL,
>                             "found jump slot relocation with non-zero addend");
>
> -       sym_map = RESOLVE_MAP (&sym, version, r_type);
> +#if defined RTLD_BOOTSTRAP || defined STATIC_PIE_BOOTSTRAP
> +        sym_map = boot_map;
> +#else
> +        sym_map = RESOLVE_MAP (&sym, version, r_type);
> +#endif
>         value = SYMBOL_ADDRESS (sym_map, sym, true);
>         *addr_field = value;
>
> @@ -661,7 +670,11 @@ elf_machine_reloc (struct link_map *map, ElfW(Addr) r_info,
>         ElfW(Addr) value;
>
>         /* Calculate the address of the symbol.  */
> -       sym_map = RESOLVE_MAP (&sym, version, r_type);
> +#if defined RTLD_BOOTSTRAP || defined STATIC_PIE_BOOTSTRAP
> +        sym_map = boot_map;
> +#else
> +        sym_map = RESOLVE_MAP (&sym, version, r_type);
> +#endif
>         value = SYMBOL_ADDRESS (sym_map, sym, true);
>
>         if (__builtin_expect (sym == NULL, 0))
> @@ -708,16 +721,16 @@ elf_machine_reloc (struct link_map *map, ElfW(Addr) r_info,
>  /* Perform the relocation specified by RELOC and SYM (which is fully resolved).
>     MAP is the object containing the reloc.  */
>
> -auto inline void
> +static inline void
>  __attribute__ ((always_inline))
>  elf_machine_rel (struct link_map *map, const ElfW(Rel) *reloc,
>                  const ElfW(Sym) *sym, const struct r_found_version *version,
> -                void *const reloc_addr, int skip_ifunc)
> +                void *const reloc_addr, int skip_ifunc, struct link_map *boot_map)
>  {
> -  elf_machine_reloc (map, reloc->r_info, sym, version, reloc_addr, 0, 1);
> +  elf_machine_reloc (map, reloc->r_info, sym, version, reloc_addr, 0, 1, boot_map);
>  }
>
> -auto inline void
> +static inline void
>  __attribute__((always_inline))
>  elf_machine_rel_relative (ElfW(Addr) l_addr, const ElfW(Rel) *reloc,
>                           void *const reloc_addr)
> @@ -725,7 +738,7 @@ elf_machine_rel_relative (ElfW(Addr) l_addr, const ElfW(Rel) *reloc,
>    /* XXX Nothing to do.  There is no relative relocation, right?  */
>  }
>
> -auto inline void
> +static inline void
>  __attribute__((always_inline))
>  elf_machine_lazy_rel (struct link_map *map,
>                       ElfW(Addr) l_addr, const ElfW(Rel) *reloc,
> @@ -748,17 +761,17 @@ elf_machine_lazy_rel (struct link_map *map,
>      _dl_reloc_bad_type (map, r_type, 1);
>  }
>
> -auto inline void
> +static inline void
>  __attribute__ ((always_inline))
>  elf_machine_rela (struct link_map *map, const ElfW(Rela) *reloc,
>                   const ElfW(Sym) *sym, const struct r_found_version *version,
> -                 void *const reloc_addr, int skip_ifunc)
> +                 void *const reloc_addr, int skip_ifunc, struct link_map *boot_map)
>  {
>    elf_machine_reloc (map, reloc->r_info, sym, version, reloc_addr,
> -                    reloc->r_addend, 0);
> +                    reloc->r_addend, 0, boot_map);
>  }
>
> -auto inline void
> +static inline void
>  __attribute__((always_inline))
>  elf_machine_rela_relative (ElfW(Addr) l_addr, const ElfW(Rela) *reloc,
>                            void *const reloc_addr)
> @@ -767,7 +780,7 @@ elf_machine_rela_relative (ElfW(Addr) l_addr, const ElfW(Rela) *reloc,
>
>  #ifndef RTLD_BOOTSTRAP
>  /* Relocate GOT. */
> -auto inline void
> +static inline void
>  __attribute__((always_inline))
>  elf_machine_got_rel (struct link_map *map, int lazy)
>  {
> @@ -868,7 +881,7 @@ elf_machine_got_rel (struct link_map *map, int lazy)
>  /* Set up the loaded object described by L so its stub function
>     will jump to the on-demand fixup code __dl_runtime_resolve.  */
>
> -auto inline int
> +static inline int
>  __attribute__((always_inline))
>  elf_machine_runtime_setup (struct link_map *l, int lazy, int profile)
>  {
> diff --git a/sysdeps/nios2/dl-machine.h b/sysdeps/nios2/dl-machine.h
> index e000cd081f..cd03ea93bd 100644
> --- a/sysdeps/nios2/dl-machine.h
> +++ b/sysdeps/nios2/dl-machine.h
> @@ -234,10 +234,10 @@ elf_machine_plt_value (struct link_map *map, const Elf32_Rela *reloc,
>     LOADADDR is the load address of the object; INFO is an array indexed
>     by DT_* of the .dynamic section info.  */
>
> -auto inline void __attribute__ ((always_inline))
> +static inline void __attribute__ ((always_inline))
>  elf_machine_rela (struct link_map *map, const ElfW(Rela) *reloc,
>                    const ElfW(Sym) *sym, const struct r_found_version *version,
> -                  void *const reloc_addr_arg, int skip_ifunc)
> +                  void *const reloc_addr_arg, int skip_ifunc, struct link_map *boot_map)
>  {
>    Elf32_Addr *const reloc_addr = reloc_addr_arg;
>    const unsigned int r_type = ELF32_R_TYPE (reloc->r_info);
> @@ -249,7 +249,11 @@ elf_machine_rela (struct link_map *map, const ElfW(Rela) *reloc,
>    else
>      {
>        const Elf32_Sym *const refsym = sym;
> +#if defined RTLD_BOOTSTRAP || defined STATIC_PIE_BOOTSTRAP
> +      struct link_map *sym_map = boot_map;
> +#else
>        struct link_map *sym_map = RESOLVE_MAP (&sym, version, r_type);
> +#endif
>        Elf32_Addr value = SYMBOL_ADDRESS (sym_map, sym, true);
>
>        switch (r_type)
> @@ -314,7 +318,7 @@ elf_machine_rela (struct link_map *map, const ElfW(Rela) *reloc,
>      }
>  }
>
> -auto inline void __attribute__((always_inline))
> +static inline void __attribute__((always_inline))
>  elf_machine_rela_relative (ElfW(Addr) l_addr, const ElfW(Rela) *reloc,
>                            void *const reloc_addr_arg)
>  {
> @@ -322,10 +326,10 @@ elf_machine_rela_relative (ElfW(Addr) l_addr, const ElfW(Rela) *reloc,
>    *reloc_addr = l_addr + reloc->r_addend;
>  }
>
> -auto inline void __attribute__((always_inline))
> +static inline void __attribute__((always_inline))
>  elf_machine_lazy_rel (struct link_map *map,
>                       ElfW(Addr) l_addr, const ElfW(Rela) *reloc,
> -                     int skip_ifunc)
> +                     int skip_ifunc, struct link_map *boot_map)
>  {
>    Elf32_Addr *const reloc_addr = (void *) (l_addr + reloc->r_offset);
>    if (ELF32_R_TYPE (reloc->r_info) == R_NIOS2_JUMP_SLOT)
> diff --git a/sysdeps/powerpc/powerpc32/dl-machine.h b/sysdeps/powerpc/powerpc32/dl-machine.h
> index ced3a7b659..eaf3a1202f 100644
> --- a/sysdeps/powerpc/powerpc32/dl-machine.h
> +++ b/sysdeps/powerpc/powerpc32/dl-machine.h
> @@ -286,10 +286,10 @@ extern void _dl_reloc_overflow (struct link_map *map,
>     LOADADDR is the load address of the object; INFO is an array indexed
>     by DT_* of the .dynamic section info.  */
>
> -auto inline void __attribute__ ((always_inline))
> +static inline void __attribute__ ((always_inline))
>  elf_machine_rela (struct link_map *map, const Elf32_Rela *reloc,
>                   const Elf32_Sym *sym, const struct r_found_version *version,
> -                 void *const reloc_addr_arg, int skip_ifunc)
> +                 void *const reloc_addr_arg, int skip_ifunc, struct link_map *boot_map)
>  {
>    Elf32_Addr *const reloc_addr = reloc_addr_arg;
>    const Elf32_Sym *const refsym = sym;
> @@ -317,7 +317,11 @@ elf_machine_rela (struct link_map *map, const Elf32_Rela *reloc,
>      }
>    else
>      {
> +#if defined RTLD_BOOTSTRAP || defined STATIC_PIE_BOOTSTRAP
> +      sym_map = boot_map;
> +#else
>        sym_map = RESOLVE_MAP (&sym, version, r_type);
> +#endif
>        value = SYMBOL_ADDRESS (sym_map, sym, true);
>      }
>    value += reloc->r_addend;
> @@ -441,7 +445,7 @@ elf_machine_rela (struct link_map *map, const Elf32_Rela *reloc,
>      }
>  }
>
> -auto inline void __attribute__ ((always_inline))
> +static inline void __attribute__ ((always_inline))
>  elf_machine_rela_relative (Elf32_Addr l_addr, const Elf32_Rela *reloc,
>                            void *const reloc_addr_arg)
>  {
> @@ -449,7 +453,7 @@ elf_machine_rela_relative (Elf32_Addr l_addr, const Elf32_Rela *reloc,
>    *reloc_addr = l_addr + reloc->r_addend;
>  }
>
> -auto inline void __attribute__ ((always_inline))
> +static inline void __attribute__ ((always_inline))
>  elf_machine_lazy_rel (struct link_map *map,
>                       Elf32_Addr l_addr, const Elf32_Rela *reloc,
>                       int skip_ifunc)
> diff --git a/sysdeps/powerpc/powerpc64/dl-machine.h b/sysdeps/powerpc/powerpc64/dl-machine.h
> index b90f407119..b88d9d7912 100644
> --- a/sysdeps/powerpc/powerpc64/dl-machine.h
> +++ b/sysdeps/powerpc/powerpc64/dl-machine.h
> @@ -620,7 +620,7 @@ extern void attribute_hidden _dl_reloc_overflow (struct link_map *map,
>                                                  Elf64_Addr *const reloc_addr,
>                                                  const Elf64_Sym *refsym);
>
> -auto inline void __attribute__ ((always_inline))
> +static inline void __attribute__ ((always_inline))
>  elf_machine_rela_relative (Elf64_Addr l_addr, const Elf64_Rela *reloc,
>                            void *const reloc_addr_arg)
>  {
> @@ -629,7 +629,7 @@ elf_machine_rela_relative (Elf64_Addr l_addr, const Elf64_Rela *reloc,
>  }
>
>  /* This computes the value used by TPREL* relocs.  */
> -auto inline Elf64_Addr __attribute__ ((always_inline, const))
> +static inline Elf64_Addr __attribute__ ((always_inline, const))
>  elf_machine_tprel (struct link_map *map,
>                    struct link_map *sym_map,
>                    const Elf64_Sym *sym,
> @@ -648,7 +648,7 @@ elf_machine_tprel (struct link_map *map,
>  }
>
>  /* Call function at address VALUE (an OPD entry) to resolve ifunc relocs.  */
> -auto inline Elf64_Addr __attribute__ ((always_inline))
> +static inline Elf64_Addr __attribute__ ((always_inline))
>  resolve_ifunc (Elf64_Addr value,
>                const struct link_map *map, const struct link_map *sym_map)
>  {
> @@ -678,13 +678,13 @@ resolve_ifunc (Elf64_Addr value,
>
>  /* Perform the relocation specified by RELOC and SYM (which is fully
>     resolved).  MAP is the object containing the reloc.  */
> -auto inline void __attribute__ ((always_inline))
> +static inline void __attribute__ ((always_inline))
>  elf_machine_rela (struct link_map *map,
>                   const Elf64_Rela *reloc,
>                   const Elf64_Sym *sym,
>                   const struct r_found_version *version,
>                   void *const reloc_addr_arg,
> -                 int skip_ifunc)
> +                 int skip_ifunc, struct link_map *boot_map)
>  {
>    Elf64_Addr *const reloc_addr = reloc_addr_arg;
>    const int r_type = ELF64_R_TYPE (reloc->r_info);
> @@ -707,7 +707,11 @@ elf_machine_rela (struct link_map *map,
>
>    /* We need SYM_MAP even in the absence of TLS, for elf_machine_fixup_plt
>       and STT_GNU_IFUNC.  */
> +#if defined RTLD_BOOTSTRAP || defined STATIC_PIE_BOOTSTRAP
> +  struct link_map *sym_map = boot_map;
> +#else
>    struct link_map *sym_map = RESOLVE_MAP (&sym, version, r_type);
> +#endif
>    Elf64_Addr value = SYMBOL_ADDRESS (sym_map, sym, true) + reloc->r_addend;
>
>    if (sym != NULL
> @@ -1037,7 +1041,7 @@ elf_machine_rela (struct link_map *map,
>    MODIFIED_CODE_NOQUEUE (reloc_addr);
>  }
>
> -auto inline void __attribute__ ((always_inline))
> +static inline void __attribute__ ((always_inline))
>  elf_machine_lazy_rel (struct link_map *map,
>                       Elf64_Addr l_addr, const Elf64_Rela *reloc,
>                       int skip_ifunc)
> diff --git a/sysdeps/riscv/dl-machine.h b/sysdeps/riscv/dl-machine.h
> index 5b0746175c..8e759ac8d3 100644
> --- a/sysdeps/riscv/dl-machine.h
> +++ b/sysdeps/riscv/dl-machine.h
> @@ -161,11 +161,11 @@ elf_machine_fixup_plt (struct link_map *map, lookup_t t,
>     by RELOC_ADDR.  SYM is the relocation symbol specified by R_INFO and
>     MAP is the object containing the reloc.  */
>
> -auto inline void
> +static inline void
>  __attribute__ ((always_inline))
>  elf_machine_rela (struct link_map *map, const ElfW(Rela) *reloc,
>                   const ElfW(Sym) *sym, const struct r_found_version *version,
> -                 void *const reloc_addr, int skip_ifunc)
> +                 void *const reloc_addr, int skip_ifunc, struct link_map *boot_map)
>  {
>    ElfW(Addr) r_info = reloc->r_info;
>    const unsigned long int r_type = ELFW (R_TYPE) (r_info);
> @@ -279,7 +279,7 @@ elf_machine_rela (struct link_map *map, const ElfW(Rela) *reloc,
>      }
>  }
>
> -auto inline void
> +static inline void
>  __attribute__ ((always_inline))
>  elf_machine_rela_relative (ElfW(Addr) l_addr, const ElfW(Rela) *reloc,
>                           void *const reloc_addr)
> @@ -287,7 +287,7 @@ elf_machine_rela_relative (ElfW(Addr) l_addr, const ElfW(Rela) *reloc,
>    *(ElfW(Addr) *) reloc_addr = l_addr + reloc->r_addend;
>  }
>
> -auto inline void
> +static inline void
>  __attribute__ ((always_inline))
>  elf_machine_lazy_rel (struct link_map *map, ElfW(Addr) l_addr,
>                       const ElfW(Rela) *reloc, int skip_ifunc)
> @@ -320,7 +320,7 @@ elf_machine_lazy_rel (struct link_map *map, ElfW(Addr) l_addr,
>  /* Set up the loaded object described by L so its stub function
>     will jump to the on-demand fixup code __dl_runtime_resolve.  */
>
> -auto inline int
> +static inline int
>  __attribute__ ((always_inline))
>  elf_machine_runtime_setup (struct link_map *l, int lazy, int profile)
>  {
> diff --git a/sysdeps/s390/s390-32/dl-machine.h b/sysdeps/s390/s390-32/dl-machine.h
> index d0ccd69261..712367fa16 100644
> --- a/sysdeps/s390/s390-32/dl-machine.h
> +++ b/sysdeps/s390/s390-32/dl-machine.h
> @@ -321,11 +321,11 @@ elf_machine_plt_value (struct link_map *map, const Elf32_Rela *reloc,
>  /* Perform the relocation specified by RELOC and SYM (which is fully resolved).
>     MAP is the object containing the reloc.  */
>
> -auto inline void
> +static inline void
>  __attribute__ ((always_inline))
>  elf_machine_rela (struct link_map *map, const Elf32_Rela *reloc,
>                   const Elf32_Sym *sym, const struct r_found_version *version,
> -                 void *const reloc_addr_arg, int skip_ifunc)
> +                 void *const reloc_addr_arg, int skip_ifunc, struct link_map *boot_map)
>  {
>    Elf32_Addr *const reloc_addr = reloc_addr_arg;
>    const unsigned int r_type = ELF32_R_TYPE (reloc->r_info);
> @@ -484,7 +484,7 @@ elf_machine_rela (struct link_map *map, const Elf32_Rela *reloc,
>      }
>  }
>
> -auto inline void
> +static inline void
>  __attribute__ ((always_inline))
>  elf_machine_rela_relative (Elf32_Addr l_addr, const Elf32_Rela *reloc,
>                            void *const reloc_addr_arg)
> @@ -493,7 +493,7 @@ elf_machine_rela_relative (Elf32_Addr l_addr, const Elf32_Rela *reloc,
>    *reloc_addr = l_addr + reloc->r_addend;
>  }
>
> -auto inline void
> +static inline void
>  __attribute__ ((always_inline))
>  elf_machine_lazy_rel (struct link_map *map,
>                       Elf32_Addr l_addr, const Elf32_Rela *reloc,
> diff --git a/sysdeps/s390/s390-64/dl-machine.h b/sysdeps/s390/s390-64/dl-machine.h
> index 543361c836..77a658e17f 100644
> --- a/sysdeps/s390/s390-64/dl-machine.h
> +++ b/sysdeps/s390/s390-64/dl-machine.h
> @@ -268,11 +268,11 @@ elf_machine_plt_value (struct link_map *map, const Elf64_Rela *reloc,
>  /* Perform the relocation specified by RELOC and SYM (which is fully resolved).
>     MAP is the object containing the reloc.  */
>
> -auto inline void
> +static inline void
>  __attribute__ ((always_inline))
>  elf_machine_rela (struct link_map *map, const Elf64_Rela *reloc,
>                   const Elf64_Sym *sym, const struct r_found_version *version,
> -                 void *const reloc_addr_arg, int skip_ifunc)
> +                 void *const reloc_addr_arg, int skip_ifunc, struct link_map *boot_map)
>  {
>    Elf64_Addr *const reloc_addr = reloc_addr_arg;
>    const unsigned int r_type = ELF64_R_TYPE (reloc->r_info);
> @@ -438,7 +438,7 @@ elf_machine_rela (struct link_map *map, const Elf64_Rela *reloc,
>      }
>  }
>
> -auto inline void
> +static inline void
>  __attribute__ ((always_inline))
>  elf_machine_rela_relative (Elf64_Addr l_addr, const Elf64_Rela *reloc,
>                            void *const reloc_addr_arg)
> @@ -447,7 +447,7 @@ elf_machine_rela_relative (Elf64_Addr l_addr, const Elf64_Rela *reloc,
>    *reloc_addr = l_addr + reloc->r_addend;
>  }
>
> -auto inline void
> +static inline void
>  __attribute__ ((always_inline))
>  elf_machine_lazy_rel (struct link_map *map,
>                       Elf64_Addr l_addr, const Elf64_Rela *reloc,
> diff --git a/sysdeps/sh/dl-machine.h b/sysdeps/sh/dl-machine.h
> index 122b417a17..9c3c0ba099 100644
> --- a/sysdeps/sh/dl-machine.h
> +++ b/sysdeps/sh/dl-machine.h
> @@ -259,11 +259,11 @@ elf_machine_plt_value (struct link_map *map, const Elf32_Rela *reloc,
>  /* Perform the relocation specified by RELOC and SYM (which is fully resolved).
>     MAP is the object containing the reloc.  */
>
> -auto inline void
> +static inline void
>  __attribute ((always_inline))
>  elf_machine_rela (struct link_map *map, const Elf32_Rela *reloc,
>                   const Elf32_Sym *sym, const struct r_found_version *version,
> -                 void *const reloc_addr_arg, int skip_ifunc)
> +                 void *const reloc_addr_arg, int skip_ifunc, struct link_map *boot_map)
>  {
>    Elf32_Addr *const reloc_addr = reloc_addr_arg;
>    const unsigned int r_type = ELF32_R_TYPE (reloc->r_info);
> @@ -318,7 +318,11 @@ elf_machine_rela (struct link_map *map, const Elf32_Rela *reloc,
>    else
>      {
>        const Elf32_Sym *const refsym = sym;
> +#if defined RTLD_BOOTSTRAP || defined STATIC_PIE_BOOTSTRAP
> +      struct link_map *sym_map = boot_map;
> +#else
>        struct link_map *sym_map = RESOLVE_MAP (&sym, version, r_type);
> +#endif
>
>        value = SYMBOL_ADDRESS (sym_map, sym, true);
>        value += reloc->r_addend;
> @@ -424,7 +428,7 @@ elf_machine_rela (struct link_map *map, const Elf32_Rela *reloc,
>      }
>  }
>
> -auto inline void
> +static inline void
>  __attribute__ ((always_inline))
>  elf_machine_rela_relative (Elf32_Addr l_addr, const Elf32_Rela *reloc,
>                            void *const reloc_addr_arg)
> @@ -443,7 +447,7 @@ elf_machine_rela_relative (Elf32_Addr l_addr, const Elf32_Rela *reloc,
>  #undef COPY_UNALIGNED_WORD
>  }
>
> -auto inline void
> +static inline void
>  __attribute__ ((always_inline))
>  elf_machine_lazy_rel (struct link_map *map,
>                       Elf32_Addr l_addr, const Elf32_Rela *reloc,
> diff --git a/sysdeps/sparc/sparc32/dl-machine.h b/sysdeps/sparc/sparc32/dl-machine.h
> index 0269e458ea..20f60b2a3b 100644
> --- a/sysdeps/sparc/sparc32/dl-machine.h
> +++ b/sysdeps/sparc/sparc32/dl-machine.h
> @@ -327,11 +327,11 @@ elf_machine_plt_value (struct link_map *map, const Elf32_Rela *reloc,
>  /* Perform the relocation specified by RELOC and SYM (which is fully resolved).
>     MAP is the object containing the reloc.  */
>
> -auto inline void
> +static inline void
>  __attribute__ ((always_inline))
>  elf_machine_rela (struct link_map *map, const Elf32_Rela *reloc,
>                   const Elf32_Sym *sym, const struct r_found_version *version,
> -                 void *const reloc_addr_arg, int skip_ifunc)
> +                 void *const reloc_addr_arg, int skip_ifunc, struct link_map *boot_map)
>  {
>    Elf32_Addr *const reloc_addr = reloc_addr_arg;
>  #if !defined RTLD_BOOTSTRAP && !defined RESOLVE_CONFLICT_FIND_MAP
> @@ -381,7 +381,11 @@ elf_machine_rela (struct link_map *map, const Elf32_Rela *reloc,
>      }
>    else
>      {
> +#if defined RTLD_BOOTSTRAP || defined STATIC_PIE_BOOTSTRAP
> +      sym_map = boot_map;
> +#else
>        sym_map = RESOLVE_MAP (&sym, version, r_type);
> +#endif
>        value = SYMBOL_ADDRESS (sym_map, sym, true);
>      }
>  #else
> @@ -536,7 +540,7 @@ elf_machine_rela (struct link_map *map, const Elf32_Rela *reloc,
>      }
>  }
>
> -auto inline void
> +static inline void
>  __attribute__ ((always_inline))
>  elf_machine_rela_relative (Elf32_Addr l_addr, const Elf32_Rela *reloc,
>                            void *const reloc_addr_arg)
> @@ -545,7 +549,7 @@ elf_machine_rela_relative (Elf32_Addr l_addr, const Elf32_Rela *reloc,
>    *reloc_addr += l_addr + reloc->r_addend;
>  }
>
> -auto inline void
> +static inline void
>  __attribute__ ((always_inline))
>  elf_machine_lazy_rel (struct link_map *map,
>                       Elf32_Addr l_addr, const Elf32_Rela *reloc,
> diff --git a/sysdeps/sparc/sparc64/dl-machine.h b/sysdeps/sparc/sparc64/dl-machine.h
> index bbd4566d8a..4d47b3a150 100644
> --- a/sysdeps/sparc/sparc64/dl-machine.h
> +++ b/sysdeps/sparc/sparc64/dl-machine.h
> @@ -354,11 +354,11 @@ elf_machine_runtime_setup (struct link_map *l, int lazy, int profile)
>  /* Perform the relocation specified by RELOC and SYM (which is fully resolved).
>     MAP is the object containing the reloc.  */
>
> -auto inline void
> +static inline void
>  __attribute__ ((always_inline))
>  elf_machine_rela (struct link_map *map, const Elf64_Rela *reloc,
>                   const Elf64_Sym *sym, const struct r_found_version *version,
> -                 void *const reloc_addr_arg, int skip_ifunc)
> +                 void *const reloc_addr_arg, int skip_ifunc, struct link_map *boot_map)
>  {
>    Elf64_Addr *const reloc_addr = reloc_addr_arg;
>  #if !defined RTLD_BOOTSTRAP && !defined RESOLVE_CONFLICT_FIND_MAP
> @@ -408,7 +408,11 @@ elf_machine_rela (struct link_map *map, const Elf64_Rela *reloc,
>      }
>    else
>      {
> +#if defined RTLD_BOOTSTRAP || defined STATIC_PIE_BOOTSTRAP
> +      sym_map = boot_map;
> +#else
>        sym_map = RESOLVE_MAP (&sym, version, r_type);
> +#endif
>        value = SYMBOL_ADDRESS (sym_map, sym, true);
>      }
>  #else
> @@ -646,7 +650,7 @@ elf_machine_rela (struct link_map *map, const Elf64_Rela *reloc,
>      }
>  }
>
> -auto inline void
> +static inline void
>  __attribute__ ((always_inline))
>  elf_machine_rela_relative (Elf64_Addr l_addr, const Elf64_Rela *reloc,
>                            void *const reloc_addr_arg)
> @@ -655,7 +659,7 @@ elf_machine_rela_relative (Elf64_Addr l_addr, const Elf64_Rela *reloc,
>    *reloc_addr = l_addr + reloc->r_addend;
>  }
>
> -auto inline void
> +static inline void
>  __attribute__ ((always_inline))
>  elf_machine_lazy_rel (struct link_map *map,
>                       Elf64_Addr l_addr, const Elf64_Rela *reloc,
> diff --git a/sysdeps/x86_64/dl-machine.h b/sysdeps/x86_64/dl-machine.h
> index ceee50734e..738663ec5d 100644
> --- a/sysdeps/x86_64/dl-machine.h
> +++ b/sysdeps/x86_64/dl-machine.h
> @@ -251,11 +251,12 @@ elf_machine_plt_value (struct link_map *map, const ElfW(Rela) *reloc,
>  /* Perform the relocation specified by RELOC and SYM (which is fully resolved).
>     MAP is the object containing the reloc.  */
>
> -auto inline void
> +static inline void
>  __attribute__ ((always_inline))
>  elf_machine_rela (struct link_map *map, const ElfW(Rela) *reloc,
>                   const ElfW(Sym) *sym, const struct r_found_version *version,
> -                 void *const reloc_addr_arg, int skip_ifunc)
> +                 void *const reloc_addr_arg, int skip_ifunc,
> +                 struct link_map *boot_map)
>  {
>    ElfW(Addr) *const reloc_addr = reloc_addr_arg;
>    const unsigned long int r_type = ELFW(R_TYPE) (reloc->r_info);
> @@ -293,7 +294,11 @@ elf_machine_rela (struct link_map *map, const ElfW(Rela) *reloc,
>  # ifndef RTLD_BOOTSTRAP
>        const ElfW(Sym) *const refsym = sym;
>  # endif
> +#if defined RTLD_BOOTSTRAP || defined STATIC_PIE_BOOTSTRAP
> +      struct link_map *sym_map = boot_map;
> +#else
>        struct link_map *sym_map = RESOLVE_MAP (&sym, version, r_type);
> +#endif
>        ElfW(Addr) value = SYMBOL_ADDRESS (sym_map, sym, true);
>
>        if (sym != NULL
> @@ -518,7 +523,7 @@ and creates an unsatisfiable circular dependency.\n",
>      }
>  }
>
> -auto inline void
> +static inline void
>  __attribute ((always_inline))
>  elf_machine_rela_relative (ElfW(Addr) l_addr, const ElfW(Rela) *reloc,
>                            void *const reloc_addr_arg)
> @@ -537,7 +542,7 @@ elf_machine_rela_relative (ElfW(Addr) l_addr, const ElfW(Rela) *reloc,
>      }
>  }
>
> -auto inline void
> +static inline void
>  __attribute ((always_inline))
>  elf_machine_lazy_rel (struct link_map *map,
>                       ElfW(Addr) l_addr, const ElfW(Rela) *reloc,
> @@ -573,7 +578,8 @@ elf_machine_lazy_rel (struct link_map *map,
>
>        /* Always initialize TLS descriptors completely at load time, in
>          case static TLS is allocated for it that requires locking.  */
> -      elf_machine_rela (map, reloc, sym, version, reloc_addr, skip_ifunc);
> +      elf_machine_rela (map, reloc, sym, version, reloc_addr, skip_ifunc,
> +                        NULL);
>      }
>    else if (__glibc_unlikely (r_type == R_X86_64_IRELATIVE))
>      {
> --
> 2.33.0.rc2.250.ged5fa647cd-goog
>


-- 
宋方睿

  reply	other threads:[~2021-09-03  5:42 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-08-23  4:36 [PATCH] elf: Avoid nested functions in the loader (all ports) [BZ #27220] Fangrui Song via Libc-alpha
2021-09-03  5:41 ` Fāng-ruì Sòng via Libc-alpha [this message]
2021-09-03 10:09 ` Florian Weimer via Libc-alpha
2021-09-04  3:52   ` Fangrui Song via Libc-alpha
2021-09-13 16:36     ` Fāng-ruì Sòng via Libc-alpha
2021-09-20 17:55       ` PING^2: " Fāng-ruì Sòng via Libc-alpha
2021-09-22 17:53         ` Carlos O'Donell via Libc-alpha
2021-09-22 18:09           ` Joseph Myers
2021-09-22 18:20             ` Carlos O'Donell via Libc-alpha
2021-09-22 18:40               ` Fāng-ruì Sòng via Libc-alpha
2021-09-22 19:21                 ` Joseph Myers
2021-09-22 19:44                   ` Fāng-ruì Sòng via Libc-alpha
2021-09-23 22:00                     ` Florian Weimer via Libc-alpha
2021-09-23 22:14                       ` Fāng-ruì Sòng via Libc-alpha

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