diff options
Diffstat (limited to 'sysdeps/sparc/sparc32/dl-trampoline.S')
| -rw-r--r-- | sysdeps/sparc/sparc32/dl-trampoline.S | 58 |
1 files changed, 31 insertions, 27 deletions
diff --git a/sysdeps/sparc/sparc32/dl-trampoline.S b/sysdeps/sparc/sparc32/dl-trampoline.S index 79ec79fe9e..44794592aa 100644 --- a/sysdeps/sparc/sparc32/dl-trampoline.S +++ b/sysdeps/sparc/sparc32/dl-trampoline.S @@ -1,5 +1,5 @@ /* PLT trampolines. Sparc 32-bit version. - Copyright (C) 2005 Free Software Foundation, Inc. + Copyright (C) 2005, 2012 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -48,17 +48,20 @@ _dl_runtime_resolve: .size _dl_runtime_resolve, .-_dl_runtime_resolve /* For the profiling cases we pass in our stack frame - * as the base of the La_sparc64_regs, so it looks + * as the base of the La_sparc32_regs, so it looks * like: - * %l0 %sp + * %l0 %sp + (0 * 8) + * %l1 %sp + (0 * 8) + 4 * ... - * %l7 %sp + (7 * 8) - * %i0 %sp + (8 * 8) + * %l6 %sp + (3 * 8) + * %l7 %sp + (3 * 8) + 4 + * %i0 %sp + (4 * 8) + * %i1 %sp + (4 * 8) + 4 * ... - * %i7 %sp + (15 * 8) - * %f0 %sp + (16 * 8) - * %f16 %sp + (31 * 8) - * framesize %sp + (32 * 8) + * %i6 %sp + (7 * 8) + * %i7 %sp + (7 * 8) + 4 + * struct_ret_ptr %sp + (8 * 8) + * framesize %sp + (9 * 8) */ .globl _dl_profile_save_regs @@ -74,7 +77,7 @@ _dl_profile_save_regs: std %i2, [%sp + ( 5 * 8)] std %i4, [%sp + ( 6 * 8)] std %i6, [%sp + ( 7 * 8)] - ld [%sp + (8 * 8)], %l4 + ld [%fp + (8 * 8)], %l4 retl st %l4, [%sp + (8 * 8)] @@ -91,8 +94,11 @@ _dl_profile_save_regs: _dl_profile_invoke: cfi_startproc - sub %sp, %l0, %sp -1: + add %l0, 7, %l0 + andn %l0, 7, %l0 + add %l0, 2 * 8, %g1 + + sub %sp, %g1, %sp srl %l0, 3, %l7 mov %o0, %l1 mov %i0, %o0 @@ -101,8 +107,10 @@ _dl_profile_invoke: mov %i3, %o3 mov %i4, %o4 mov %i5, %o5 + cmp %l0, 0 mov %fp, %l2 - mov %sp, %l3 + be 2f + add %sp, (11 * 8), %l3 1: ldd [%l2], %g2 add %l2, 0x8, %l2 subcc %l7, 1, %l7 @@ -110,7 +118,7 @@ _dl_profile_invoke: bne 1b add %l3, 0x8, %l3 - jmpl %l1, %o7 +2: jmpl %l1, %o7 nop std %o0, [%sp + ( 9 * 8)] @@ -118,11 +126,12 @@ _dl_profile_invoke: mov %l5, %o0 mov %l6, %o1 - add %sp, %l0, %o2 + add %sp, (11 * 8), %o2 call _dl_call_pltexit - add %sp, (16 * 8), %o3 + add %sp, ( 9 * 8), %o3 - ldd [%sp + (9 * 8)], %i0 + ldd [%sp + ( 9 * 8)], %i0 + ldd [%sp + (10 * 8)], %f0 jmpl %i7 + 8, %g0 restore @@ -142,11 +151,7 @@ _dl_profile_invoke: _dl_runtime_profile: cfi_startproc - cmp %fp, 0 - be,a 1f - mov 104, %g3 - sub %fp, %sp, %g3 -1: save %sp, -104, %sp + save %sp, -104, %sp cfi_def_cfa_register(%fp) cfi_window_save cfi_register(%o7, %i7) @@ -156,20 +161,19 @@ _dl_runtime_profile: mov %i7, %o2 sub %o1, 4*12, %o1 - mov %g3, %l0 mov %o0, %l5 mov %o1, %l6 - call _dl_profile_save_regs + call _dl_profile_save_regs nop mov %sp, %o3 call _dl_profile_fixup add %sp, (9 * 8), %o4 - ld [%sp + (9 * 8)], %o1 - cmp %o1, 0 - bgeu 1f + ld [%sp + (9 * 8)], %l0 + cmp %l0, 0 + bl 1f nop call _dl_profile_invoke |