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Rework sparc PIC macros so crt{i,n}.S can use them too.

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* sysdeps/unix/sparc/sysdep.h (SPARC_PIC_THUNK): New macro.
	(SETUP_PIC_REG): Use SPARC_PIC_THUNK and don't save and restore
	%o7 across the call.
	(SETUP_PIC_REG_LEAF): Do %o7 save/restore in this new macro
	instead.
	* sysdeps/unix/sysv/linux/sparc/sparc32/sysdep.h: Use
	SETUP_PIC_REG_LEAF.
	* sysdeps/unix/sysv/linux/sparc/sparc64/sysdep.h: Likewise.
	* sysdeps/sparc/crti.S: Use SETUP_PIC_REG.
	* sysdeps/sparc/crtn.S: Likewise.
This commit is contained in:
David S. Miller
2012-02-18 22:31:42 -08:00
parent 2bcc53a337
commit dd54084dd9
5 changed files with 35 additions and 26 deletions
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13
sysdeps/sparc/crti.S
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@ -70,9 +70,7 @@
_init:
save %sp, -STACKFRAME_SIZE, %sp
#if PREINIT_FUNCTION_WEAK
sethi %hi(_GLOBAL_OFFSET_TABLE_-4), %l7
call __sparc_get_pc_thunk.l7
add %l7, %lo(_GLOBAL_OFFSET_TABLE_+4), %l7
SETUP_PIC_REG(l7)
sethi %hi(PREINIT_FUNCTION), %g1
or %g1, %lo(PREINIT_FUNCTION), %g1
GOT_LOAD [%l7 + %g1], %g1
@ -93,12 +91,3 @@ _init:
.type _fini, @function
_fini:
save %sp, -STACKFRAME_SIZE, %sp
.section .text.__sparc_get_pc_thunk.l7,"axG",@progbits,__sparc_get_pc_thunk.l7,comdat
.p2align 2
.weak __sparc_get_pc_thunk.l7
.hidden __sparc_get_pc_thunk.l7
.type __sparc_get_pc_thunk.l7, #function
__sparc_get_pc_thunk.l7:
jmp %o7 + 8
add %o7, %l7, %l7