diff options
Diffstat (limited to 'sysdeps/s390')
| -rw-r--r-- | sysdeps/s390/s390-32/dl-trampoline.h | 109 |
1 files changed, 73 insertions, 36 deletions
diff --git a/sysdeps/s390/s390-32/dl-trampoline.h b/sysdeps/s390/s390-32/dl-trampoline.h index d36c002743..547e1ebaa3 100644 --- a/sysdeps/s390/s390-32/dl-trampoline.h +++ b/sysdeps/s390/s390-32/dl-trampoline.h @@ -40,45 +40,66 @@ * v16 - v31 : call clobbered */ - +#define CFA_OFF 96 +#define FRAME_OFF CFA_OFF + FRAME_SIZE +#define V24_OFF -224 +#define V25_OFF -208 +#define V26_OFF -192 +#define V27_OFF -176 +#define V28_OFF -160 +#define V29_OFF -144 +#define V30_OFF -128 +#define V31_OFF -112 +#define PLT1_OFF -72 +#define PLT2_OFF -68 +#define R2_OFF -64 +#define R3_OFF -60 +#define R4_OFF -56 +#define R5_OFF -52 +#define R14_OFF -48 +#define R15_OFF -44 +#define F0_OFF -40 +#define F2_OFF -32 .globl _dl_runtime_resolve .type _dl_runtime_resolve, @function cfi_startproc .align 16 _dl_runtime_resolve: - stm %r2,%r5,32(%r15) # save registers - cfi_offset (r2, -64) - cfi_offset (r3, -60) - cfi_offset (r4, -56) - cfi_offset (r5, -52) - stm %r14,%r15,48(%r15) - cfi_offset (r14, -48) - cfi_offset (r15, -44) - std %f0,56(%r15) - cfi_offset (f0, -40) - std %f2,64(%r15) - cfi_offset (f2, -32) + stm %r2,%r5,CFA_OFF+R2_OFF(%r15) # save registers + cfi_offset (r2, R2_OFF) + cfi_offset (r3, R3_OFF) + cfi_offset (r4, R4_OFF) + cfi_offset (r5, R5_OFF) + stm %r14,%r15,CFA_OFF+R14_OFF(%r15) + cfi_offset (r14, R14_OFF) + cfi_offset (r15, R15_OFF) + std %f0,CFA_OFF+F0_OFF(%r15) + cfi_offset (f0, F0_OFF) + std %f2,CFA_OFF+F2_OFF(%r15) + cfi_offset (f2, F2_OFF) lr %r0,%r15 - lm %r2,%r3,24(%r15) # load args saved by PLT + lm %r2,%r3,CFA_OFF+PLT1_OFF(%r15) # load args saved by PLT #ifdef RESTORE_VRS - ahi %r15,-224 # create stack frame - cfi_adjust_cfa_offset (224) +# define FRAME_SIZE (CFA_OFF + 128) + ahi %r15,-FRAME_SIZE # create stack frame + cfi_adjust_cfa_offset (FRAME_SIZE) .machine push .machine "z13" .machinemode "zarch_nohighgprs" - vstm %v24,%v31,96(%r15) # store call-clobbered vr arguments - cfi_offset (v24, -224) - cfi_offset (v25, -208) - cfi_offset (v26, -192) - cfi_offset (v27, -176) - cfi_offset (v28, -160) - cfi_offset (v29, -144) - cfi_offset (v30, -128) - cfi_offset (v31, -112) + vstm %v24,%v31,FRAME_OFF+V24_OFF(%r15) # save call-clobbered vr args + cfi_offset (v24, V24_OFF) + cfi_offset (v25, V25_OFF) + cfi_offset (v26, V26_OFF) + cfi_offset (v27, V27_OFF) + cfi_offset (v28, V28_OFF) + cfi_offset (v29, V29_OFF) + cfi_offset (v30, V30_OFF) + cfi_offset (v31, V31_OFF) .machine pop #else - ahi %r15,-96 # create stack frame - cfi_adjust_cfa_offset (96) +# define FRAME_SIZE CFA_OFF + ahi %r15,-FRAME_SIZE # create stack frame + cfi_adjust_cfa_offset (FRAME_SIZE) #endif st %r0,0(%r15) # write backchain basr %r1,0 @@ -89,21 +110,37 @@ _dl_runtime_resolve: .machine push .machine "z13" .machinemode "zarch_nohighgprs" - vlm %v24,%v31,96(%r15) # restore vector registers + vlm %v24,%v31,FRAME_OFF+V24_OFF(%r15) # restore vector registers .machine pop - lm %r14,%r15,272(%r15)# remove stack frame and restore registers -#else - lm %r14,%r15,144(%r15)# remove stack frame and restore registers #endif - cfi_def_cfa_offset (96) - ld %f0,56(%r15) - ld %f2,64(%r15) - lm %r2,%r5,32(%r15) + lm %r14,%r15,FRAME_OFF+R14_OFF(%r15) # restore frame and registers +#undef FRAME_SIZE + cfi_def_cfa_offset (CFA_OFF) + ld %f0,CFA_OFF+F0_OFF(%r15) + ld %f2,CFA_OFF+F2_OFF(%r15) + lm %r2,%r5,CFA_OFF+R2_OFF(%r15) br %r1 1: .long _dl_fixup - 0b cfi_endproc .size _dl_runtime_resolve, .-_dl_runtime_resolve - +#undef V24_OFF +#undef V25_OFF +#undef V26_OFF +#undef V27_OFF +#undef V28_OFF +#undef V29_OFF +#undef V30_OFF +#undef V31_OFF +#undef PLT1_OFF +#undef PLT2_OFF +#undef R2_OFF +#undef R3_OFF +#undef R4_OFF +#undef R5_OFF +#undef R14_OFF +#undef R15_OFF +#undef F0_OFF +#undef F2_OFF #ifndef PROF .globl _dl_runtime_profile |