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| author | David S. Miller <davem@davemloft.net> | 2012-02-21 15:42:42 -0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2012-02-20 17:51:53 -0800 |
| commit | 3d2b3019e0efa9735370498122ac80298deff8c7 (patch) | |
| tree | 693771bb0b1fba08098558d99613ce80bc36a923 /sysdeps/unix/sysv/linux/sparc/sparc64/brk.S | |
| parent | c80098a9a05b7d5f8ad1488135f2cee613998c50 (diff) | |
| download | glibc-3d2b3019e0efa9735370498122ac80298deff8c7.tar.gz glibc-3d2b3019e0efa9735370498122ac80298deff8c7.tar.xz glibc-3d2b3019e0efa9735370498122ac80298deff8c7.zip | |
Use sparc GOTDATA relocations whenever possible.
* sysdeps/sparc/crti.S: Try to use GOTDATA relocs. * sysdeps/sparc/sparc32/dl-machine.h (RTLD_START): Likewise. * sysdeps/sparc/sparc32/elf/start.S: Likewise. * sysdeps/sparc/sparc64/dl-machine.h (RTLD_START): Likewise. * sysdeps/sparc/sparc64/elf/start.S: Likewise. * sysdeps/sparc/sparc64/multiarch/memcpy.S: Likewise. * sysdeps/sparc/sparc64/multiarch/memset.S: Likewise. * sysdeps/unix/sysv/linux/sparc/sparc32/____longjmp_chk.S: Likewise. * sysdeps/unix/sysv/linux/sparc/sparc32/sysdep.h (SYSCALL_ERROR_HANDLER): Likewise. * sysdeps/unix/sysv/linux/sparc/sparc64/____longjmp_chk.S: Likewise. * sysdeps/unix/sysv/linux/sparc/sparc64/brk.S: Likewise. * sysdeps/unix/sysv/linux/sparc/sparc64/sysdep.h (SYSCALL_ERROR_HANDLER): Likewise.
Diffstat (limited to 'sysdeps/unix/sysv/linux/sparc/sparc64/brk.S')
| -rw-r--r-- | sysdeps/unix/sysv/linux/sparc/sparc64/brk.S | 34 |
1 files changed, 25 insertions, 9 deletions
diff --git a/sysdeps/unix/sysv/linux/sparc/sparc64/brk.S b/sysdeps/unix/sysv/linux/sparc/sparc64/brk.S index 74500eb486..a89d8775e1 100644 --- a/sysdeps/unix/sysv/linux/sparc/sparc64/brk.S +++ b/sysdeps/unix/sysv/linux/sparc/sparc64/brk.S @@ -42,10 +42,7 @@ ENTRY (__brk) cfi_window_save cfi_register(%o7, %i7) #ifdef PIC -1: call 2f - sethi %hi(_GLOBAL_OFFSET_TABLE_-(1b-.)), %l7 -2: or %l7, %lo(_GLOBAL_OFFSET_TABLE_-(1b-.)), %l7 - add %l7, %o7, %l7 + SETUP_PIC_REG(l7) #endif LOADSYSCALL(brk) @@ -62,10 +59,20 @@ ENTRY (__brk) nop /* Update __curbrk and return cleanly. */ -.Lok: sethi %hi(__curbrk), %g1 +.Lok: +#ifndef PIC + sethi %hi(__curbrk), %g1 or %g1, %lo(__curbrk), %g1 -#ifdef PIC - ldx [%l7+%g1], %g1 +#else +#ifdef HAVE_BINUTILS_GOTDATA + sethi %gdop_hix22(__curbrk), %g1 + xor %g1, %gdop_lox10(__curbrk), %g1 + ldx [%l7 + %g1], %g1, %gdop(__curbrk) +#else + sethi %hi(__curbrk), %g1 + or %g1, %lo(__curbrk), %g1 + ldx [%l7 + %g1], %g1 +#endif #endif stx %o0, [%g1] mov %g0, %i0 @@ -78,10 +85,19 @@ ENTRY (__brk) .Lerr0: set ENOMEM, %o0 .Lerr1: #ifndef _LIBC_REENTRANT +#ifndef PIC sethi %hi(errno), %g1 or %g1, %lo(errno), %g1 -#ifdef PIC - ldx [%l7+%g1], %g1 +#else +#ifdef HAVE_BINUTILS_GOTDATA + sethi %gdop_hix22(errno), %g1 + xor %g1, %gdop_lox10(errno), %g1 + ldx [%l7 + %g1], %g1, %gdop(errno) +#else + sethi %hi(errno), %g1 + or %g1, %lo(errno), %g1 + ldx [%l7 + %g1], %g1 +#endif #endif st %o0, [%g1] #else |