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authorUlrich Drepper <drepper@redhat.com>2004-12-22 20:09:42 +0000
committerUlrich Drepper <drepper@redhat.com>2004-12-22 20:09:42 +0000
commit7d58530341304d403a6626d7f7a1913165fe2f32 (patch)
tree471ef022d415c89ff4b5544a5e0239a9ac45d841 /nptl/sysdeps/i386
parentec8c29dc013a5e0ca3330ce5e4ae989e811491e6 (diff)
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Test for stack alignment.
Diffstat (limited to 'nptl/sysdeps/i386')
-rw-r--r--nptl/sysdeps/i386/Makefile2
-rw-r--r--nptl/sysdeps/i386/tls.h7
2 files changed, 7 insertions, 2 deletions
diff --git a/nptl/sysdeps/i386/Makefile b/nptl/sysdeps/i386/Makefile
index 693fb0569f..2f0d88f303 100644
--- a/nptl/sysdeps/i386/Makefile
+++ b/nptl/sysdeps/i386/Makefile
@@ -22,4 +22,6 @@ endif
ifeq ($(subdir),nptl)
CFLAGS-pthread_create.c += -mpreferred-stack-boundary=4
+CFLAGS-tst-align.c += -mpreferred-stack-boundary=4
+CFLAGS-tst-align2.c += -mpreferred-stack-boundary=4
endif
diff --git a/nptl/sysdeps/i386/tls.h b/nptl/sysdeps/i386/tls.h
index 18b038f93e..945a4c71d6 100644
--- a/nptl/sysdeps/i386/tls.h
+++ b/nptl/sysdeps/i386/tls.h
@@ -397,9 +397,12 @@ union user_desc_init
#define CALL_THREAD_FCT(descr) \
({ void *__res; \
int __ignore1, __ignore2; \
- asm volatile ("pushl %%gs:%P4\n\t" \
+ asm volatile ("pushl %%eax\n\t" \
+ "pushl %%eax\n\t" \
+ "pushl %%eax\n\t" \
+ "pushl %%gs:%P4\n\t" \
"call *%%gs:%P3\n\t" \
- "addl $4, %%esp" \
+ "addl $16, %%esp" \
: "=a" (__res), "=c" (__ignore1), "=d" (__ignore2) \
: "i" (offsetof (struct pthread, start_routine)), \
"i" (offsetof (struct pthread, arg))); \