diff options
| -rw-r--r-- | ChangeLog | 12 | ||||
| -rw-r--r-- | sysdeps/s390/bits/link.h | 29 | ||||
| -rw-r--r-- | sysdeps/s390/s390-32/dl-trampoline.h | 76 | ||||
| -rw-r--r-- | sysdeps/s390/s390-64/dl-trampoline.h | 84 |
4 files changed, 136 insertions, 65 deletions
@@ -1,5 +1,17 @@ 2016-03-31 Stefan Liebler <stli@linux.vnet.ibm.com> + * sysdeps/s390/bits/link.h: (La_s390_vr) New typedef. + (La_s390_32_regs): Append vector register lr_v24-lr_v31. + (La_s390_64_regs): Likewise. + (La_s390_32_retval): Append vector register lrv_v24. + (La_s390_64_retval): Likeweise. + * sysdeps/s390/s390-32/dl-trampoline.h (_dl_runtime_profile): + Handle extended structs La_s390_32_regs and La_s390_32_retval. + * sysdeps/s390/s390-64/dl-trampoline.h (_dl_runtime_profile): + Handle extended structs La_s390_64_regs and La_s390_64_retval. + +2016-03-31 Stefan Liebler <stli@linux.vnet.ibm.com> + * sysdeps/s390/s390-32/dl-trampoline.S: Include dl-trampoline.h twice to create a non-vector/vector version for _dl_runtime_resolve and _dl_runtime_profile. Move implementation to ... diff --git a/sysdeps/s390/bits/link.h b/sysdeps/s390/bits/link.h index 2ef7f44..e27ed67 100644 --- a/sysdeps/s390/bits/link.h +++ b/sysdeps/s390/bits/link.h @@ -19,6 +19,9 @@ # error "Never include <bits/link.h> directly; use <link.h> instead." #endif +#if defined HAVE_S390_VX_ASM_SUPPORT +typedef char La_s390_vr[16]; +#endif #if __ELF_NATIVE_CLASS == 32 @@ -32,6 +35,16 @@ typedef struct La_s390_32_regs uint32_t lr_r6; double lr_fp0; double lr_fp2; +# if defined HAVE_S390_VX_ASM_SUPPORT + La_s390_vr lr_v24; + La_s390_vr lr_v25; + La_s390_vr lr_v26; + La_s390_vr lr_v27; + La_s390_vr lr_v28; + La_s390_vr lr_v29; + La_s390_vr lr_v30; + La_s390_vr lr_v31; +# endif } La_s390_32_regs; /* Return values for calls from PLT on s390-32. */ @@ -40,6 +53,9 @@ typedef struct La_s390_32_retval uint32_t lrv_r2; uint32_t lrv_r3; double lrv_fp0; +# if defined HAVE_S390_VX_ASM_SUPPORT + La_s390_vr lrv_v24; +# endif } La_s390_32_retval; @@ -77,6 +93,16 @@ typedef struct La_s390_64_regs double lr_fp2; double lr_fp4; double lr_fp6; +# if defined HAVE_S390_VX_ASM_SUPPORT + La_s390_vr lr_v24; + La_s390_vr lr_v25; + La_s390_vr lr_v26; + La_s390_vr lr_v27; + La_s390_vr lr_v28; + La_s390_vr lr_v29; + La_s390_vr lr_v30; + La_s390_vr lr_v31; +# endif } La_s390_64_regs; /* Return values for calls from PLT on s390-64. */ @@ -84,6 +110,9 @@ typedef struct La_s390_64_retval { uint64_t lrv_r2; double lrv_fp0; +# if defined HAVE_S390_VX_ASM_SUPPORT + La_s390_vr lrv_v24; +# endif } La_s390_64_retval; diff --git a/sysdeps/s390/s390-32/dl-trampoline.h b/sysdeps/s390/s390-32/dl-trampoline.h index a152a7b..bb74d27 100644 --- a/sysdeps/s390/s390-32/dl-trampoline.h +++ b/sysdeps/s390/s390-32/dl-trampoline.h @@ -112,28 +112,31 @@ _dl_runtime_resolve: cfi_startproc .align 16 _dl_runtime_profile: - stm %r2,%r6,32(%r15) # save registers - cfi_offset (r2, -64) # + r6 needed as arg for - cfi_offset (r3, -60) # _dl_profile_fixup - cfi_offset (r4, -56) - cfi_offset (r5, -52) - cfi_offset (r6, -48) - std %f0,56(%r15) - cfi_offset (f0, -40) - std %f2,64(%r15) - cfi_offset (f2, -32) st %r12,12(%r15) # r12 is used as backup of r15 cfi_offset (r12, -84) st %r14,16(%r15) cfi_offset (r14, -80) lr %r12,%r15 # backup stack pointer cfi_def_cfa_register (12) + ahi %r15,-264 # create stack frame: + # 96 + sizeof(La_s390_32_regs) + st %r12,0(%r15) # save backchain + + stm %r2,%r6,96(%r15) # save registers + cfi_offset (r2, -264) # + r6 needed as arg for + cfi_offset (r3, -260) # _dl_profile_fixup + cfi_offset (r4, -256) + cfi_offset (r5, -252) + cfi_offset (r6, -248) + std %f0,120(%r15) + cfi_offset (f0, -240) + std %f2,128(%r15) + cfi_offset (f2, -232) #ifdef RESTORE_VRS - ahi %r15,-224 # create stack frame .machine push .machine "z13" .machinemode "zarch_nohighgprs" - vstm %v24,%v31,96(%r15) # store call-clobbered vr arguments + vstm %v24,%v31,136(%r15) # store call-clobbered vr arguments cfi_offset (v24, -224) cfi_offset (v25, -208) cfi_offset (v26, -192) @@ -143,31 +146,31 @@ _dl_runtime_profile: cfi_offset (v30, -128) cfi_offset (v31, -112) .machine pop -#else - ahi %r15,-96 # create stack frame #endif - st %r12,0(%r15) # save backchain + lm %r2,%r3,24(%r12) # load arguments saved by PLT lr %r4,%r14 # return address as third parameter basr %r1,0 0: l %r14,6f-0b(%r1) - la %r5,32(%r12) # pointer to struct La_s390_32_regs + la %r5,96(%r15) # pointer to struct La_s390_32_regs la %r6,20(%r12) # long int * framesize bas %r14,0(%r14,%r1) # call resolver lr %r1,%r2 # function addr returned in r2 - ld %f0,56(%r12) # restore call-clobbered arg fprs - ld %f2,64(%r12) + ld %f0,120(%r15) # restore call-clobbered arg fprs + ld %f2,128(%r15) #ifdef RESTORE_VRS .machine push .machine "z13" .machinemode "zarch_nohighgprs" - vlm %v24,%v31,96(%r15) # restore call-clobbered arg vrs + vlm %v24,%v31,136(%r15) # restore call-clobbered arg vrs .machine pop #endif icm %r0,15,20(%r12) # load & test framesize jnm 2f - lm %r2,%r6,32(%r12) + lm %r2,%r6,96(%r15) # framesize < 0 means no pltexit call + # so we can do a tail call without + # copying the arg overflow area lr %r15,%r12 # remove stack frame cfi_def_cfa_register (15) l %r14,16(%r15) # restore registers @@ -175,7 +178,9 @@ _dl_runtime_profile: br %r1 # tail-call to the resolved function cfi_def_cfa_register (12) -2: jz 4f # framesize == 0 ? +2: la %r4,96(%r15) # pointer to struct La_s390_32_regs + st %r4,32(%r12) + jz 4f # framesize == 0 ? ahi %r0,7 # align framesize to 8 lhi %r2,-8 nr %r0,%r2 @@ -188,24 +193,35 @@ _dl_runtime_profile: la %r2,8(%r2) la %r3,8(%r3) brct %r0,3b -4: lm %r2,%r6,32(%r12) # load register parameters +4: lm %r2,%r6,0(%r4) # load register parameters basr %r14,%r1 # call resolved function - stm %r2,%r3,72(%r12) # store return values r2, r3, f0 - std %f0,80(%r12) # to struct La_s390_32_retval - lm %r2,%r3,24(%r12) # load arguments saved by PLT + stm %r2,%r3,40(%r12) # store return values r2, r3, f0 + std %f0,48(%r12) # to struct La_s390_32_retval +#ifdef RESTORE_VRS + .machine push + .machine "z13" + vst %v24,56(%r12) # store return value v24 + .machine pop +#endif + lm %r2,%r4,24(%r12) # r2, r3: load arguments saved by PLT + # r4: pointer to struct La_s390_32_regs basr %r1,0 5: l %r14,7f-5b(%r1) - la %r4,32(%r12) # pointer to struct La_s390_32_regs - la %r5,72(%r12) # pointer to struct La_s390_32_retval + la %r5,40(%r12) # pointer to struct La_s390_32_retval bas %r14,0(%r14,%r1) # call _dl_call_pltexit lr %r15,%r12 # remove stack frame cfi_def_cfa_register (15) l %r14,16(%r15) # restore registers l %r12,12(%r15) - l %r2,72(%r15) # restore return values - l %r3,76(%r15) - ld %f0,80(%r15) + lm %r2,%r3,40(%r15) # restore return values + ld %f0,48(%r15) +#ifdef RESTORE_VRS + .machine push + .machine "z13" + vl %v24,56(%r15) # restore return value v24 + .machine pop +#endif br %r14 6: .long _dl_profile_fixup - 0b diff --git a/sysdeps/s390/s390-64/dl-trampoline.h b/sysdeps/s390/s390-64/dl-trampoline.h index 658e3a3..33ea3de 100644 --- a/sysdeps/s390/s390-64/dl-trampoline.h +++ b/sysdeps/s390/s390-64/dl-trampoline.h @@ -109,31 +109,34 @@ _dl_runtime_resolve: cfi_startproc .align 16 _dl_runtime_profile: - stmg %r2,%r6,64(%r15) # save call-clobbered arg regs - cfi_offset (r2, -96) # + r6 needed as arg for - cfi_offset (r3, -88) # _dl_profile_fixup - cfi_offset (r4, -80) - cfi_offset (r5, -72) - cfi_offset (r6, -64) - std %f0,104(%r15) - cfi_offset (f0, -56) - std %f2,112(%r15) - cfi_offset (f2, -48) - std %f4,120(%r15) - cfi_offset (f4, -40) - std %f6,128(%r15) - cfi_offset (f6, -32) stg %r12,24(%r15) # r12 is used as backup of r15 cfi_offset (r12, -136) stg %r14,32(%r15) cfi_offset (r14, -128) lgr %r12,%r15 # backup stack pointer cfi_def_cfa_register (12) + aghi %r15,-360 # create stack frame: + # 160 + sizeof(La_s390_64_regs) + stg %r12,0(%r15) # save backchain + + stmg %r2,%r6,160(%r15) # save call-clobbered arg regs + cfi_offset (r2, -360) # + r6 needed as arg for + cfi_offset (r3, -352) # _dl_profile_fixup + cfi_offset (r4, -344) + cfi_offset (r5, -336) + cfi_offset (r6, -328) + std %f0,200(%r15) + cfi_offset (f0, -320) + std %f2,208(%r15) + cfi_offset (f2, -312) + std %f4,216(%r15) + cfi_offset (f4, -304) + std %f6,224(%r15) + cfi_offset (f6, -296) #ifdef RESTORE_VRS - aghi %r15,-288 # create stack frame .machine push .machine "z13" - vstm %v24,%v31,160(%r15)# store call-clobbered vector argument registers + vstm %v24,%v31,232(%r15) # store call-clobbered vector arguments cfi_offset (v24, -288) cfi_offset (v25, -272) cfi_offset (v26, -256) @@ -143,31 +146,28 @@ _dl_runtime_profile: cfi_offset (v30, -192) cfi_offset (v31, -176) .machine pop -#else - aghi %r15,-160 # create stack frame #endif - stg %r12,0(%r15) # save backchain lmg %r2,%r3,48(%r12) # load arguments saved by PLT lgr %r4,%r14 # return address as third parameter - la %r5,64(%r12) # pointer to struct La_s390_64_regs + la %r5,160(%r15) # pointer to struct La_s390_64_regs la %r6,40(%r12) # long int * framesize brasl %r14,_dl_profile_fixup # call resolver lgr %r1,%r2 # function addr returned in r2 - ld %f0,104(%r12) # restore call-clobbered arg fprs - ld %f2,112(%r12) - ld %f4,120(%r12) - ld %f6,128(%r12) + ld %f0,200(%r15) # restore call-clobbered arg fprs + ld %f2,208(%r15) + ld %f4,216(%r15) + ld %f6,224(%r15) #ifdef RESTORE_VRS .machine push .machine "z13" - vlm %v24,%v31,160(%r15) # restore call-clobbered arg vrs + vlm %v24,%v31,232(%r15) # restore call-clobbered arg vrs .machine pop #endif lg %r0,40(%r12) # load framesize ltgr %r0,%r0 jnm 1f - lmg %r2,%r6,64(%r12) # framesize < 0 means no pltexit call + lmg %r2,%r6,160(%r15) # framesize < 0 means no pltexit call # so we can do a tail call without # copying the arg overflow area lgr %r15,%r12 # remove stack frame @@ -177,7 +177,9 @@ _dl_runtime_profile: br %r1 # tail-call to resolved function cfi_def_cfa_register (12) -1: jz 4f # framesize == 0 ? +1: la %r4,160(%r15) # pointer to struct La_s390_64_regs + stg %r4,64(%r12) + jz 4f # framesize == 0 ? aghi %r0,7 # align framesize to 8 nill %r0,0xfff8 slgr %r15,%r0 # make room for framesize bytes @@ -189,21 +191,33 @@ _dl_runtime_profile: la %r2,8(%r2) # depending on framesize la %r3,8(%r3) brctg %r0,3b -4: lmg %r2,%r6,64(%r12) # restore call-clobbered arg gprs +4: lmg %r2,%r6,0(%r4) # restore call-clobbered arg gprs basr %r14,%r1 # call resolved function - stg %r2,136(%r12) # store return values r2, f0 - std %f0,144(%r12) # to struct La_s390_64_retval - lmg %r2,%r3,48(%r12) # load arguments saved by PLT - la %r4,64(%r12) # pointer to struct La_s390_64_regs - la %r5,136(%r12) # pointer to struct La_s390_64_retval + stg %r2,72(%r12) # store return values r2, f0 + std %f0,80(%r12) # to struct La_s390_64_retval +#ifdef RESTORE_VRS + .machine push + .machine "z13" + vst %v24,88(%r12) # store return value v24 + .machine pop +#endif + lmg %r2,%r4,48(%r12) # r2, r3: load arguments saved by PLT + # r4: pointer to struct La_s390_64_regs + la %r5,72(%r12) # pointer to struct La_s390_64_retval brasl %r14,_dl_call_pltexit lgr %r15,%r12 # remove stack frame cfi_def_cfa_register (15) lg %r14,32(%r15) # restore registers lg %r12,24(%r15) - lg %r2,136(%r15) # restore return values - ld %f0,144(%r15) + lg %r2,72(%r15) # restore return values + ld %f0,80(%r15) +#ifdef RESTORE_VRS + .machine push + .machine "z13" + vl %v24,88(%r15) # restore return value v24 + .machine pop +#endif br %r14 # Jump back to caller cfi_endproc |