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authorThomas Schwinge <thomas@codesourcery.com>2012-07-17 10:06:06 +0200
committerThomas Schwinge <thomas@codesourcery.com>2012-07-17 10:06:06 +0200
commit07cbfc23683827c1b92d0bc62b15a77a48b09a17 (patch)
tree76e56a778029c43bad4f06d3dbd19846ca596739
parentf7db31703ab2e11b162d4e0e3b4af0c1c971b6cd (diff)
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SH: makecontext: exit (0) if uc_link is the null pointer.
-rw-r--r--ChangeLog3
-rw-r--r--sysdeps/unix/sysv/linux/sh/makecontext.S3
2 files changed, 5 insertions, 1 deletions
diff --git a/ChangeLog b/ChangeLog
index 9c2930f..751b596 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,8 @@
2012-07-17 Thomas Schwinge <thomas@codesourcery.com>
+ * sysdeps/unix/sysv/linux/sh/makecontext.S (.Lexitcode): Preserve
+ zero value for regular exit case.
+
* sysdeps/unix/sysv/linux/x86_64/__start_context.S
(__start_context): Preserve zero value for regular exit case.
diff --git a/sysdeps/unix/sysv/linux/sh/makecontext.S b/sysdeps/unix/sysv/linux/sh/makecontext.S
index a04bc9f..73fca8b 100644
--- a/sysdeps/unix/sysv/linux/sh/makecontext.S
+++ b/sysdeps/unix/sysv/linux/sh/makecontext.S
@@ -128,6 +128,7 @@ ENTRY(__makecontext)
cfi_restore (pr)
/* If this returns (which can happen if the syscall fails) we'll exit
the program with the return error value (-1). */
+ mov r0, r4
2:
mov.l .Lexit, r1
@@ -135,7 +136,7 @@ ENTRY(__makecontext)
add r12, r1
#endif
jsr @r1
- mov r0, r4
+ nop
/* The 'exit' call should never return. In case it does cause the
process to terminate. */
ABORT_INSTRUCTION_ASM