From: Vineet Gupta <vineet.gupta1@synopsys.com>
To: <libc-alpha@sourceware.org>
Cc: <linux-snps-arc@lists.infradead.org>,
Vineet Gupta <vineet.gupta1@synopsys.com>
Subject: [PATCH 17/21] ARC: testsuite fix: stdlib/tst-makecontext
Date: Tue, 18 Dec 2018 13:04:39 -0800 [thread overview]
Message-ID: <1545167083-16764-18-git-send-email-vgupta@synopsys.com> (raw)
In-Reply-To: <1545167083-16764-1-git-send-email-vgupta@synopsys.com>
Terminate the unwinding by telling unwinder to fetch return address
(BLINK) from r15 which has been set apriori to 0.
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
---
ChangeLog | 2 ++
sysdeps/unix/sysv/linux/arc/makecontext.c | 1 +
sysdeps/unix/sysv/linux/arc/setcontext.S | 2 ++
3 files changed, 5 insertions(+)
diff --git a/ChangeLog b/ChangeLog
index d3a979a9236b..39ff298b0091 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -110,6 +110,8 @@
* sysdeps/arc/entry.h: Add ENTRY_POINT define check.
* sysdeps/arc/crti.S: add .hidden annotations.
* sysdeps/unix/sysv/linux/arc/ipc_priv.h: New file.
+ * sysdeps/unix/sysv/linux/arc/makecontext.c: clear r15.
+ * sysdeps/unix/sysv/linux/arc/setcontext.S: set blink from r15.
2018-12-17 Joseph Myers <joseph@codesourcery.com>
diff --git a/sysdeps/unix/sysv/linux/arc/makecontext.c b/sysdeps/unix/sysv/linux/arc/makecontext.c
index 7018bed9d64a..8d233f83da7e 100644
--- a/sysdeps/unix/sysv/linux/arc/makecontext.c
+++ b/sysdeps/unix/sysv/linux/arc/makecontext.c
@@ -45,6 +45,7 @@ __makecontext (ucontext_t *ucp, void (*func) (void), int argc, ...)
*/
ucp->uc_mcontext.callee.r13 = (unsigned long) func;
ucp->uc_mcontext.callee.r14 = (unsigned long) ucp->uc_link;
+ ucp->uc_mcontext.callee.r15 = 0;
r = &ucp->uc_mcontext.scratch.r0;
diff --git a/sysdeps/unix/sysv/linux/arc/setcontext.S b/sysdeps/unix/sysv/linux/arc/setcontext.S
index 3f503c661d95..6ec2ec0ddc79 100644
--- a/sysdeps/unix/sysv/linux/arc/setcontext.S
+++ b/sysdeps/unix/sysv/linux/arc/setcontext.S
@@ -79,6 +79,8 @@ weak_alias(__setcontext, setcontext)
ENTRY(__startcontext)
+ cfi_register (blink, r15)
+
/* call user @func, loaded in r13 by setcontext() */
jl [r13]
--
2.7.4
next prev parent reply other threads:[~2018-12-18 21:07 UTC|newest]
Thread overview: 99+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-12-18 21:04 [PATCH 00/21] glibc port to ARC processors Vineet Gupta
2018-12-18 21:04 ` [PATCH 01/21] longlong.h: sync from gcc to fix ARC inline asm constraints Vineet Gupta
2018-12-18 22:56 ` Joseph Myers
2018-12-18 23:11 ` Vineet Gupta
2018-12-21 18:46 ` Joseph Myers
2018-12-21 19:07 ` Vineet Gupta
2018-12-18 21:04 ` [PATCH 02/21] ARC: add definitions to elf/elf.h Vineet Gupta
2018-12-18 21:04 ` [PATCH 03/21] ARC: ABI Implementation Vineet Gupta
2018-12-18 23:09 ` Joseph Myers
2018-12-19 2:00 ` Vineet Gupta
2018-12-19 17:40 ` Joseph Myers
2018-12-19 20:20 ` Vineet Gupta
2018-12-19 20:37 ` Joseph Myers
2019-01-28 23:03 ` ARC binutils init/fini (was Re: [PATCH 03/21] ARC: ABI Implementation) Vineet Gupta
2019-01-28 23:13 ` Joseph Myers
2019-01-28 23:42 ` Vineet Gupta
2018-12-18 21:04 ` [PATCH 04/21] ARC: startup and dynamic linking code Vineet Gupta
2018-12-18 23:24 ` Joseph Myers
2018-12-19 0:52 ` Vineet Gupta
2018-12-18 21:04 ` [PATCH 05/21] ARC: Thread Local Storage support Vineet Gupta
2018-12-18 21:04 ` [PATCH 06/21] ARC: Atomics and Locking primitives Vineet Gupta
2018-12-18 23:15 ` Joseph Myers
2019-01-15 0:40 ` Vineet Gupta
2018-12-18 21:04 ` [PATCH 07/21] ARC: math soft float support Vineet Gupta
2018-12-18 23:23 ` Joseph Myers
2018-12-19 0:01 ` Joseph Myers
2018-12-20 21:35 ` Vineet Gupta
2018-12-21 1:08 ` Vineet Gupta
2018-12-21 1:19 ` Joseph Myers
2018-12-18 21:04 ` [PATCH 08/21] ARC: Linux Syscall Interface Vineet Gupta
2018-12-18 23:30 ` Joseph Myers
2018-12-19 2:39 ` Vineet Gupta
2018-12-19 17:58 ` ARC vs. generic sigaction (was Re: [PATCH 08/21] ARC: Linux Syscall Interface) Vineet Gupta
2018-12-19 18:07 ` Joseph Myers
2018-12-19 22:00 ` Adhemerval Zanella
2018-12-19 22:23 ` Vineet Gupta
2018-12-20 11:19 ` Adhemerval Zanella
2018-12-20 12:06 ` Arnd Bergmann
2018-12-20 19:25 ` Vineet Gupta
2018-12-20 12:40 ` Florian Weimer
2018-12-20 18:48 ` Vineet Gupta
2019-01-03 13:10 ` Florian Weimer
2018-12-20 19:23 ` Vineet Gupta
2018-12-20 20:06 ` Adhemerval Zanella
2018-12-20 20:46 ` Vineet Gupta
2018-12-21 12:05 ` Adhemerval Zanella
2019-01-09 21:49 ` Vineet Gupta
2018-12-18 21:04 ` [PATCH 09/21] ARC: Linux ABI Vineet Gupta
2018-12-18 23:38 ` Joseph Myers
2018-12-19 19:57 ` Vineet Gupta
2018-12-19 20:36 ` Joseph Myers
2018-12-21 23:06 ` Vineet Gupta
2018-12-18 21:04 ` [PATCH 10/21] ARC: Linux Startup and Dynamic Loading Vineet Gupta
2018-12-18 23:49 ` Joseph Myers
2018-12-19 20:26 ` Vineet Gupta
2018-12-18 21:04 ` [PATCH 11/21] ARC: ABI lists Vineet Gupta
2018-12-18 22:31 ` Andreas Schwab
2018-12-18 22:32 ` Vineet Gupta
2018-12-18 21:04 ` [PATCH 12/21] ARC: Update syscall-names.list for ARC specific syscalls Vineet Gupta
2018-12-18 21:26 ` Florian Weimer
2018-12-18 21:29 ` Vineet Gupta
2018-12-19 8:16 ` Florian Weimer
2018-12-18 21:04 ` [PATCH 13/21] ARC: Build Infrastructure Vineet Gupta
2018-12-18 23:44 ` Joseph Myers
2018-12-19 21:58 ` Vineet Gupta
2018-12-19 22:17 ` Joseph Myers
2018-12-20 23:21 ` Vineet Gupta
2018-12-20 23:24 ` Joseph Myers
2019-01-29 23:36 ` Vineet Gupta
2018-12-18 21:04 ` [PATCH 14/21] ARC: Enable __start as entry point vs. canonical _start Vineet Gupta
2018-12-18 21:28 ` Florian Weimer
2018-12-18 21:31 ` Vineet Gupta
2018-12-18 22:59 ` Joseph Myers
2018-12-18 23:08 ` Vineet Gupta
2018-12-19 20:36 ` Vineet Gupta
2018-12-18 21:04 ` [PATCH 15/21] ARC: testsuite fix: elf/check-initfini Vineet Gupta
2018-12-18 21:04 ` [PATCH 16/21] ARC: testsuite fix: sysvipc/* Vineet Gupta
2018-12-19 22:10 ` Adhemerval Zanella
2018-12-18 21:04 ` Vineet Gupta [this message]
2018-12-18 22:36 ` [PATCH 17/21] ARC: testsuite fix: stdlib/tst-makecontext Andreas Schwab
2019-01-21 22:32 ` Vineet Gupta
2018-12-18 21:04 ` [PATCH 18/21] ARC: testsuite fix: GD TLS issue Vineet Gupta
2018-12-18 21:04 ` [PATCH 19/21] ARC: fix several unwining and cancelation tests Vineet Gupta
2018-12-18 21:04 ` [PATCH 20/21] build-many-glibcs.py: Enable ARC builds Vineet Gupta
2018-12-18 21:04 ` [PATCH 21/21] NEWS: mention ARC port Vineet Gupta
2018-12-18 23:45 ` Joseph Myers
2018-12-19 18:30 ` Vineet Gupta
2018-12-18 22:52 ` [PATCH 00/21] glibc port to ARC processors Joseph Myers
2018-12-18 23:07 ` Vineet Gupta
2018-12-18 23:52 ` Joseph Myers
2018-12-21 1:55 ` Vineet Gupta
2018-12-21 14:32 ` Joseph Myers
2018-12-21 17:36 ` Vineet Gupta
2018-12-18 23:11 ` Joseph Myers
2018-12-19 23:45 ` Vineet Gupta
2018-12-20 0:14 ` Joseph Myers
2018-12-20 0:51 ` Vineet Gupta
2018-12-20 21:22 ` test related questions (was Re: [PATCH 00/21] glibc port to ARC processors) Vineet Gupta
2018-12-20 21:59 ` Joseph Myers
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