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Fix sparc localplt testcase failures.

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This commit is contained in:
David S. Miller
2011-08-31 17:30:41 -07:00
parent 523df51151
commit 3ba575169a
7 changed files with 224 additions and 133 deletions
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106
sysdeps/unix/sysv/linux/sparc/sparc64/sysdep.h
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@ -21,7 +21,7 @@
#ifndef _LINUX_SPARC64_SYSDEP_H
#define _LINUX_SPARC64_SYSDEP_H 1
#include <sysdeps/unix/sysdep.h>
#include <sysdeps/unix/sparc/sysdep.h>
#ifdef IS_IN_rtld
# include <dl-sysdep.h> /* Defines RTLD_PRIVATE_ERRNO. */
@ -64,20 +64,14 @@ C_LABEL(name) \
cfi_endproc; \
.size name, . - name
/* If the offset to __syscall_error fits into a signed 22-bit
* immediate branch offset, the linker will relax the call into
* a normal branch.
*/
#define PSEUDO(name, syscall_name, args) \
.text; \
.globl __syscall_error; \
ENTRY(name); \
LOADSYSCALL(syscall_name); \
ta 0x6d; \
bcc,pt %xcc, 1f; \
mov %o7, %g1; \
call __syscall_error; \
mov %g1, %o7; \
nop; \
SYSCALL_ERROR_HANDLER \
1:
#define PSEUDO_NOERRNO(name, syscall_name, args)\
@ -95,51 +89,69 @@ ENTRY(name); \
#define PSEUDO_END(name) \
END(name)
#ifndef PIC
# define SYSCALL_ERROR_HANDLER \
mov %o7, %g1; \
call __syscall_error; \
mov %g1, %o7;
#else
# if RTLD_PRIVATE_ERRNO
# define SYSCALL_ERROR_HANDLER \
0: SETUP_PIC_REG(o2,g1) \
sethi %hi(rtld_errno), %g1; \
or %g1, %lo(rtld_errno), %g1; \
ldx [%o2 + %g1], %g1; \
st %o0, [%g1]; \
jmp %o7 + 8; \
mov -1, %o0;
# elif defined _LIBC_REENTRANT
/* Careful here! This "ret" define can interfere; use jmpl if unsure. */
#define ret retl; nop
#define ret_NOERRNO retl; nop
#define ret_ERRVAL retl; nop
#define r0 %o0
#define r1 %o1
#define MOVE(x,y) mov x, y
# if USE___THREAD
# ifndef NOT_IN_libc
# define SYSCALL_ERROR_ERRNO __libc_errno
# else
# define SYSCALL_ERROR_ERRNO errno
# endif
# define SYSCALL_ERROR_HANDLER \
0: SETUP_PIC_REG(o2,g1) \
sethi %tie_hi22(SYSCALL_ERROR_ERRNO), %g1; \
add %g1, %tie_lo10(SYSCALL_ERROR_ERRNO), %g1; \
ldx [%o2 + %g1], %g1, %tie_ldx(SYSCALL_ERROR_ERRNO);\
st %o0, [%g7 + %g1]; \
jmp %o7 + 8; \
mov -1, %o0;
# else
# define SYSCALL_ERROR_HANDLER \
0: save %sp, -176, %sp; \
cfi_def_cfa_register(%fp); \
cfi_window_save; \
cfi_register (%o7, %i7); \
call __errno_location; \
nop; \
st %i0, [%o0]; \
jmp %i7 + 8; \
restore %g0, -1, %o0;
# endif
# else
# define SYSCALL_ERROR_HANDLER \
0: SETUP_PIC_REG(o2,g1) \
sethi %hi(errno), %g1; \
or %g1, %lo(errno), %g1; \
ldx [%o2 + %g1], %g1; \
st %o0, [%g1]; \
jmp %o7 + 8; \
mov -1, %o0;
# endif /* _LIBC_REENTRANT */
#endif /* PIC */
#else /* __ASSEMBLER__ */
#if defined SHARED && defined DO_VERSIONING && defined PIC \
&& !defined NO_HIDDEN && !defined NOT_IN_libc
# define CALL_ERRNO_LOCATION "call __GI___errno_location;"
#else
# define CALL_ERRNO_LOCATION "call __errno_location;"
#endif
#define __SYSCALL_STRING \
"ta 0x6d;" \
"bcc,pt %%xcc, 1f;" \
" nop;" \
"save %%sp, -192, %%sp;" \
CALL_ERRNO_LOCATION \
" nop;" \
"st %%i0,[%%o0];" \
"restore %%g0, -1, %%o0;" \
"1:"
#define __CLONE_SYSCALL_STRING \
"ta 0x6d;" \
"bcc,pt %%xcc, 1f;" \
" sub %%o1, 1, %%o1;" \
"save %%sp, -192, %%sp;" \
CALL_ERRNO_LOCATION \
" mov -1, %%i1;" \
"st %%i0,[%%o0];" \
"restore %%g0, -1, %%o0;" \
"1:" \
"and %%o0, %%o1, %%o0"
#define __INTERNAL_SYSCALL_STRING \
"ta 0x6d;" \
"bcs,a,pt %%xcc, 1f;" \
" sub %%g0, %%o0, %%o0;" \
" mov 0, %%g1;" \
"sub %%g0, %%o0, %%o0;" \
"mov 1, %%g1;" \
"1:"
#define __SYSCALL_CLOBBERS \