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Various fixes to reduce noise level on SuSE 10 (PPC). Also fix some

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ppc32 syscalls.



git-svn-id: svn://svn.valgrind.org/valgrind/trunk@4927
This commit is contained in:
Julian Seward 2005-10-15 02:00:41 +00:00
parent 62f6e91ab4
commit 04bb445744
6 changed files with 48 additions and 8 deletions
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4
coregrind/m_redir.c
View File

@ -375,6 +375,10 @@ void VG_(setup_code_redirect_table) ( void )
"soname:ld.so.1", "strcmp",
(Addr)&VG_(ppc32_linux_REDIR_FOR_strcmp)
);
add_redirect_sym_to_addr(
"soname:ld.so.1", "index",
(Addr)&VG_(ppc32_linux_REDIR_FOR_strchr)
);
#else
# error Unknown platform

8
coregrind/m_syswrap/syswrap-ppc32-linux.c
View File

@ -1825,11 +1825,11 @@ const SyscallTableEntry ML_(syscall_table)[] = {
//.. // (__NR_sysfs, sys_sysfs), // 135 SVr4
//.. LINX_(__NR_personality, sys_personality), // 136
//.. GENX_(__NR_afs_syscall, sys_ni_syscall), // 137
//.. LINX_(__NR_setfsuid, sys_setfsuid16), // 138
//.. LINX_(__NR_setfsgid, sys_setfsgid16), // 139
//..
LINX_(__NR_setfsuid, sys_setfsuid16), // 138
LINX_(__NR_setfsgid, sys_setfsgid16), // 139
LINXY(__NR__llseek, sys_llseek), // 140
//.. GENXY(__NR_getdents, sys_getdents), // 141
GENXY(__NR_getdents, sys_getdents), // 141
GENX_(__NR__newselect, sys_select), // 142
GENX_(__NR_flock, sys_flock), // 143
//.. GENX_(__NR_msync, sys_msync), // 144

23
coregrind/m_trampoline.S
View File

@ -209,6 +209,29 @@ VG_(ppc32_linux_REDIR_FOR_strcmp):
blr
.size VG_(ppc32_linux_REDIR_FOR_strcmp), .-VG_(ppc32_linux_REDIR_FOR_strcmp)
/* Ditto index/strchr */
.global VG_(ppc32_linux_REDIR_FOR_strchr)
.type VG_(ppc32_linux_REDIR_FOR_strchr), @function
VG_(ppc32_linux_REDIR_FOR_strchr):
lbz 0,0(3)
cmpw 7,4,0
beqlr 7
cmpwi 7,0,0
beq 7,.L307
.p2align 4,,15
.L310:
lbzu 0,1(3)
cmpw 7,0,4
cmpwi 6,0,0
beq 7,.L313
bne 6,.L310
.L307:
li 3,0
blr
.L313:
blr
.size VG_(ppc32_linux_REDIR_FOR_strchr),.-VG_(ppc32_linux_REDIR_FOR_strchr)
.global VG_(trampoline_stuff_end)
VG_(trampoline_stuff_end):

5
coregrind/pub_core_trampoline.h
View File

@ -60,8 +60,9 @@ extern void VG_(amd64_linux_REDIR_FOR_vtime);
#endif
#if defined(VGP_ppc32_linux)
extern UInt VG_(ppc32_linux_REDIR_FOR_strlen)( void* );
extern UInt VG_(ppc32_linux_REDIR_FOR_strcmp)( void*, void* );
extern UInt VG_(ppc32_linux_REDIR_FOR_strlen)( void* );
extern UInt VG_(ppc32_linux_REDIR_FOR_strcmp)( void*, void* );
extern void* VG_(ppc32_linux_REDIR_FOR_strchr)( void*, Int );
#endif
#endif // __PUB_CORE_TRAMPOLINE_H

4
coregrind/vki_unistd-ppc32-linux.h
View File

@ -167,8 +167,8 @@
//#define __NR_sysfs 135
//#define __NR_personality 136
//#define __NR_afs_syscall 137 /* Syscall for Andrew File System */
//#define __NR_setfsuid 138
//#define __NR_setfsgid 139
#define __NR_setfsuid 138
#define __NR_setfsgid 139
#define __NR__llseek 140
#define __NR_getdents 141
#define __NR__newselect 142

12
glibc-2.3.supp
View File

@ -418,6 +418,18 @@
#}
##----------------------------------------------------------------------##
## glibc-2.3.5 on SuSE 10.0 (PPC)
#
# I don't know why this is needed, but still:
{
glibc-2.3.5-on-SuSE-10.0-(PPC)-1
Memcheck:Cond
fun:_dl_start
fun:_start
}
##----------------------------------------------------------------------##
# Hacks pertaining to the fact that our intercept mechanism can't
# always get hold of strlen early enough, due to idiocy in the low