diff options
| author | David S. Miller <davem@davemloft.net> | 2012-04-25 11:44:02 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2012-04-25 11:52:31 -0700 |
| commit | aab39a094e0f1b69d661999e3298972ef3060aa0 (patch) | |
| tree | a0034dea687d53c45cc26f892562eafdaf3101bd /sysdeps/sparc/sysdep.h | |
| parent | 2ed8cda226068bc3d0d735af79e876040717df30 (diff) | |
| download | glibc-aab39a094e0f1b69d661999e3298972ef3060aa0.tar.gz | |
Delete everything under sysdeps/unix/sparc/
* sysdeps/unix/sparc/brk.S: Delete.
* sysdeps/unix/sparc/dl-brk.S: Delete.
* sysdeps/unix/sparc/pipe.S: Delete.
* sysdeps/unix/sparc/sysdep.S: Delete.
* sysdeps/unix/sparc/sysdep.h: Delete.
* sysdeps/unix/sparc/vfork.S: Delete.
* sysdeps/sparc/sysdep.h (SPARC_PIC_THUNK, SPARC_PIC_REG,
SPARC_PIC_REG_LEAF, ENTRY, END, LOC): Define.
* sysdeps/unix/sysv/linux/sparc/sysdep.h (ret, ret_NOERRNO,
ret_ERRVAL, r0, r1, MOVE): Define.
(JUMPTARGET): Remove.
* sysdeps/unix/sysv/linux/sparc/sparc32/sysdep.h: Don't include
sysdeps/unix/sparc/sysdep.h
(ENTRY, END): Remove.
* sysdeps/unix/sysv/linux/sparc/sparc64/sysdep.h: Likewise.
Diffstat (limited to 'sysdeps/sparc/sysdep.h')
| -rw-r--r-- | sysdeps/sparc/sysdep.h | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/sysdeps/sparc/sysdep.h b/sysdeps/sparc/sysdep.h index 8a7546bec9..2702620be6 100644 --- a/sysdeps/sparc/sysdep.h +++ b/sysdeps/sparc/sysdep.h @@ -42,3 +42,53 @@ #define HWCAP_SPARC_IMA 0x00400000 #define HWCAP_SPARC_ASI_CACHE_SPARING \ 0x00800000 + +#ifdef __ASSEMBLER__ + +#define SPARC_PIC_THUNK(reg) \ + .ifndef __sparc_get_pc_thunk.reg; \ + .section .text.__sparc_get_pc_thunk.reg,"axG",@progbits,__sparc_get_pc_thunk.reg,comdat; \ + .align 32; \ + .weak __sparc_get_pc_thunk.reg; \ + .hidden __sparc_get_pc_thunk.reg; \ + .type __sparc_get_pc_thunk.reg, #function; \ +__sparc_get_pc_thunk.reg: \ + jmp %o7 + 8; \ + add %o7, %reg, %##reg; \ + .previous; \ + .endif; + +/* Even when v9 we use a call sequence instead of using "rd %pc" because + RDPC is extremely expensive and incurs a full pipeline flush. */ + +#define SETUP_PIC_REG(reg) \ + SPARC_PIC_THUNK(reg) \ + sethi %hi(_GLOBAL_OFFSET_TABLE_-4), %##reg; \ + call __sparc_get_pc_thunk.reg; \ + or %##reg, %lo(_GLOBAL_OFFSET_TABLE_+4), %##reg; + +#define SETUP_PIC_REG_LEAF(reg, tmp) \ + SPARC_PIC_THUNK(reg) \ + sethi %hi(_GLOBAL_OFFSET_TABLE_-4), %##reg; \ + mov %o7, %##tmp; \ + call __sparc_get_pc_thunk.reg; \ + or %##reg, %lo(_GLOBAL_OFFSET_TABLE_+4), %##reg; \ + mov %##tmp, %o7; + +#undef ENTRY +#define ENTRY(name) \ + .align 4; \ + .global C_SYMBOL_NAME(name); \ + .type name, @function; \ +C_LABEL(name) \ + cfi_startproc; + +#undef END +#define END(name) \ + cfi_endproc; \ + .size name, . - name + +#undef LOC +#define LOC(name) .L##name + +#endif /* __ASSEMBLER__ */ |