AuroraMiddleware/glibc
1
0
Fork 0
mirror of https://sourceware.org/git/glibc.git synced 2024-11-21 12:30:06 +00:00
Code Issues Packages Projects Releases Wiki Activity

Fix usage of _STACK_GROWS_DOWN and _STACK_GROWS_UP defines [BZ 31989]

Browse Source 
Signed-off-by: John David Anglin <dave.anglin@bell.net>
Reviewed-By: Andreas K. Hüttel <dilfridge@gentoo.org>
This commit is contained in:
John David Anglin 2024-07-19 10:10:17 -04:00
parent 91eb62d638
commit 8cfa4ecff2
3 changed files with 4 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
malloc/memusage.c
View File

@ -172,7 +172,7 @@ update_data (struct header *result, size_t len, size_t old_len)
start_sp = __thread_stack_pointer (); start_sp = __thread_stack_pointer ();
uintptr_t sp = __thread_stack_pointer (); uintptr_t sp = __thread_stack_pointer ();
#ifdef _STACK_GROWS_UP #if _STACK_GROWS_UP
/* This can happen in threads where we didn't catch the thread's /* This can happen in threads where we didn't catch the thread's
stack early enough. */ stack early enough. */
if (__glibc_unlikely (sp < start_sp)) if (__glibc_unlikely (sp < start_sp))

4
stdlib/tst-swapcontext2.c
View File

@ -85,7 +85,7 @@ do_test (void)
{ {
/* ____longjmp_chk has */ /* ____longjmp_chk has */
#if 0 #if 0
#ifdef _STACK_GROWS_DOWN #if _STACK_GROWS_DOWN
#define called_from(this, saved) ((this) < (saved)) #define called_from(this, saved) ((this) < (saved))
#else #else
#define called_from(this, saved) ((this) > (saved)) #define called_from(this, saved) ((this) > (saved))
@ -98,7 +98,7 @@ do_test (void)
/* Arrange stacks for uctx_func1 and uctx_func2 so that called_from /* Arrange stacks for uctx_func1 and uctx_func2 so that called_from
is true when setjmp is called from uctx_func1 and longjmp is called is true when setjmp is called from uctx_func1 and longjmp is called
from uctx_func2. */ from uctx_func2. */
#ifdef _STACK_GROWS_DOWN #if _STACK_GROWS_DOWN
# define UCTX_FUNC1_STACK 1 # define UCTX_FUNC1_STACK 1
# define UCTX_FUNC2_STACK 0 # define UCTX_FUNC2_STACK 0
#else #else

2
sysdeps/unix/sysv/linux/____longjmp_chk.c
View File

@ -23,7 +23,7 @@
#include <stdio.h> #include <stdio.h>
#include <stackinfo.h> #include <stackinfo.h>
#ifdef _STACK_GROWS_DOWN #if _STACK_GROWS_DOWN
#define called_from(this, saved) ((this) < (saved)) #define called_from(this, saved) ((this) < (saved))
#else #else
#define called_from(this, saved) ((this) > (saved)) #define called_from(this, saved) ((this) > (saved))