From: "H.J. Lu" <hjl.tools@gmail.com>
To: libc-alpha@sourceware.org
Cc: fweimer@redhat.com
Subject: [PATCH v2] elf: Also compile dl-misc.os with $(rtld-early-cflags)
Date: Thu, 25 Apr 2024 07:54:24 -0700 [thread overview]
Message-ID: <20240425145425.309747-1-hjl.tools@gmail.com> (raw)
Also compile dl-misc.os with $(rtld-early-cflags) to avoid
Program received signal SIGILL, Illegal instruction.
0x00007ffff7fd36ea in _dl_strtoul (nptr=nptr@entry=0x7fffffffe2c9 "2",
endptr=endptr@entry=0x7fffffffd728) at dl-misc.c:156
156 bool positive = true;
(gdb) bt
#0 0x00007ffff7fd36ea in _dl_strtoul (nptr=nptr@entry=0x7fffffffe2c9 "2",
endptr=endptr@entry=0x7fffffffd728) at dl-misc.c:156
#1 0x00007ffff7fdb1a9 in tunable_initialize (
cur=cur@entry=0x7ffff7ffbc00 <tunable_list+2176>,
strval=strval@entry=0x7fffffffe2c9 "2", len=len@entry=1)
at dl-tunables.c:131
#2 0x00007ffff7fdb3a2 in parse_tunables (valstring=<optimized out>)
at dl-tunables.c:258
#3 0x00007ffff7fdb5d9 in __GI___tunables_init (envp=0x7fffffffdd58)
at dl-tunables.c:288
#4 0x00007ffff7fe44c3 in _dl_sysdep_start (
start_argptr=start_argptr@entry=0x7fffffffdcb0,
dl_main=dl_main@entry=0x7ffff7fe5f80 <dl_main>)
at ../sysdeps/unix/sysv/linux/dl-sysdep.c:110
#5 0x00007ffff7fe5cae in _dl_start_final (arg=0x7fffffffdcb0) at rtld.c:494
#6 _dl_start (arg=0x7fffffffdcb0) at rtld.c:581
#7 0x00007ffff7fe4b38 in _start ()
(gdb)
when glibc is compiled with APX.
---
elf/Makefile | 1 +
1 file changed, 1 insertion(+)
diff --git a/elf/Makefile b/elf/Makefile
index 7a465b8b1a..e3f5242e44 100644
--- a/elf/Makefile
+++ b/elf/Makefile
@@ -170,6 +170,7 @@ CFLAGS-.op += $(call elide-stack-protector,.op,$(elide-routines.os))
CFLAGS-.os += $(call elide-stack-protector,.os,$(all-rtld-routines))
# Add the requested compiler flags to the early startup code.
+CFLAGS-dl-misc.os += $(rtld-early-cflags)
CFLAGS-dl-printf.os += $(rtld-early-cflags)
CFLAGS-dl-setup_hash.os += $(rtld-early-cflags)
CFLAGS-dl-sysdep.os += $(rtld-early-cflags)
--
2.44.0
next reply other threads:[~2024-04-25 14:54 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-04-25 14:54 H.J. Lu [this message]
2024-04-25 15:00 ` [PATCH v2] elf: Also compile dl-misc.os with $(rtld-early-cflags) Florian Weimer
2024-04-25 15:08 ` H.J. Lu
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