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__fortify_fail: Remove internal_function attribute

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__fortify_fail is called across DSO boundaries, so it should not
use a non-standard calling convention.
This commit is contained in:
Florian Weimer 2017-08-13 21:10:44 +02:00
parent a6bd872286
commit 1b0bfc6946
5 changed files with 18 additions and 5 deletions
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10
ChangeLog
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@ -1,3 +1,13 @@
2017-08-13 Florian Weimer <fweimer@redhat.com>
* debug/fortify_fail.c (__fortify_fail, __fortify_fail_abort):
Remove internal_function.
* include/stdio.h (__fortify_fail, __fortify_fail_abort): Likewise.
* sysdeps/mach/hurd/i386/____longjmp_chk.S (CALL_FAIL): Pass
message argument on the stack.
* sysdeps/unix/sysv/linux/i386/____longjmp_chk.S (CALL_FAIL):
Likeweise.
2017-08-12 Mike FABIAN <mfabian@redhat.com>
Adapt test case data to the changes in the thousands

4
debug/fortify_fail.c
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@ -23,7 +23,7 @@
extern char **__libc_argv attribute_hidden;
void
__attribute__ ((noreturn)) internal_function
__attribute__ ((noreturn))
__fortify_fail_abort (_Bool need_backtrace, const char *msg)
{
/* The loop is added only to keep gcc happy. Don't pass down
@ -38,7 +38,7 @@ __fortify_fail_abort (_Bool need_backtrace, const char *msg)
}
void
__attribute__ ((noreturn)) internal_function
__attribute__ ((noreturn))
__fortify_fail (const char *msg)
{
__fortify_fail_abort (true, msg);

5
include/stdio.h
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@ -98,10 +98,9 @@ extern void __libc_fatal (const char *__message)
__attribute__ ((__noreturn__));
extern void __libc_message (enum __libc_message_action action,
const char *__fnt, ...);
extern void __fortify_fail (const char *msg)
__attribute__ ((__noreturn__)) internal_function;
extern void __fortify_fail (const char *msg) __attribute__ ((__noreturn__));
extern void __fortify_fail_abort (_Bool, const char *msg)
__attribute__ ((__noreturn__)) internal_function;
__attribute__ ((__noreturn__));
libc_hidden_proto (__fortify_fail)
libc_hidden_proto (__fortify_fail_abort)

2
sysdeps/mach/hurd/i386/____longjmp_chk.S
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@ -36,9 +36,11 @@ longjmp_msg:
cfi_register(%ebx,%ecx); \
LOAD_PIC_REG (bx); \
leal longjmp_msg@GOTOFF(%ebx), %eax; \
movl %eax, (%esp); \
call HIDDEN_JUMPTARGET(__fortify_fail)
#else
# define CALL_FAIL movl $longjmp_msg, %eax; \
movl %eax, (%esp); \
call HIDDEN_JUMPTARGET(__fortify_fail)
#endif

2
sysdeps/unix/sysv/linux/i386/____longjmp_chk.S
View File

@ -33,9 +33,11 @@ longjmp_msg:
cfi_register(%ebx,%ecx); \
LOAD_PIC_REG (bx); \
leal longjmp_msg@GOTOFF(%ebx), %eax; \
movl %eax, (%esp); \
call HIDDEN_JUMPTARGET(__fortify_fail)
#else
# define CALL_FAIL movl $longjmp_msg, %eax; \
movl %eax, (%esp); \
call HIDDEN_JUMPTARGET(__fortify_fail)
#endif