diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux/powerpc/powerpc64/setcontext.S')
| -rw-r--r-- | sysdeps/unix/sysv/linux/powerpc/powerpc64/setcontext.S | 218 |
1 files changed, 109 insertions, 109 deletions
diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc64/setcontext.S b/sysdeps/unix/sysv/linux/powerpc/powerpc64/setcontext.S index 490eb27578..1ff9448764 100644 --- a/sysdeps/unix/sysv/linux/powerpc/powerpc64/setcontext.S +++ b/sysdeps/unix/sysv/linux/powerpc/powerpc64/setcontext.S @@ -59,41 +59,41 @@ ENTRY(__novec_setcontext) bne L(nv_error_exit) lfd fp0,(SIGCONTEXT_FP_REGS+(32*8))(r31) - lfd fp31,(SIGCONTEXT_FP_REGS+(PT_R31*8))(r31) + lfd fp31,(SIGCONTEXT_FP_REGS+(PT_R31*8))(r31) lfd fp30,(SIGCONTEXT_FP_REGS+(PT_R30*8))(r31) mtfsf 0xff,fp0 - lfd fp29,(SIGCONTEXT_FP_REGS+(PT_R29*8))(r31) + lfd fp29,(SIGCONTEXT_FP_REGS+(PT_R29*8))(r31) lfd fp28,(SIGCONTEXT_FP_REGS+(PT_R28*8))(r31) - lfd fp27,(SIGCONTEXT_FP_REGS+(PT_R27*8))(r31) + lfd fp27,(SIGCONTEXT_FP_REGS+(PT_R27*8))(r31) lfd fp26,(SIGCONTEXT_FP_REGS+(PT_R26*8))(r31) - lfd fp25,(SIGCONTEXT_FP_REGS+(PT_R25*8))(r31) + lfd fp25,(SIGCONTEXT_FP_REGS+(PT_R25*8))(r31) lfd fp24,(SIGCONTEXT_FP_REGS+(PT_R24*8))(r31) - lfd fp23,(SIGCONTEXT_FP_REGS+(PT_R23*8))(r31) + lfd fp23,(SIGCONTEXT_FP_REGS+(PT_R23*8))(r31) lfd fp22,(SIGCONTEXT_FP_REGS+(PT_R22*8))(r31) - lfd fp21,(SIGCONTEXT_FP_REGS+(PT_R21*8))(r31) + lfd fp21,(SIGCONTEXT_FP_REGS+(PT_R21*8))(r31) lfd fp20,(SIGCONTEXT_FP_REGS+(PT_R20*8))(r31) - lfd fp19,(SIGCONTEXT_FP_REGS+(PT_R19*8))(r31) + lfd fp19,(SIGCONTEXT_FP_REGS+(PT_R19*8))(r31) lfd fp18,(SIGCONTEXT_FP_REGS+(PT_R18*8))(r31) - lfd fp17,(SIGCONTEXT_FP_REGS+(PT_R17*8))(r31) + lfd fp17,(SIGCONTEXT_FP_REGS+(PT_R17*8))(r31) lfd fp16,(SIGCONTEXT_FP_REGS+(PT_R16*8))(r31) - lfd fp15,(SIGCONTEXT_FP_REGS+(PT_R15*8))(r31) + lfd fp15,(SIGCONTEXT_FP_REGS+(PT_R15*8))(r31) lfd fp14,(SIGCONTEXT_FP_REGS+(PT_R14*8))(r31) - lfd fp13,(SIGCONTEXT_FP_REGS+(PT_R13*8))(r31) + lfd fp13,(SIGCONTEXT_FP_REGS+(PT_R13*8))(r31) lfd fp12,(SIGCONTEXT_FP_REGS+(PT_R12*8))(r31) - lfd fp11,(SIGCONTEXT_FP_REGS+(PT_R11*8))(r31) + lfd fp11,(SIGCONTEXT_FP_REGS+(PT_R11*8))(r31) lfd fp10,(SIGCONTEXT_FP_REGS+(PT_R10*8))(r31) - lfd fp9,(SIGCONTEXT_FP_REGS+(PT_R9*8))(r31) + lfd fp9,(SIGCONTEXT_FP_REGS+(PT_R9*8))(r31) lfd fp8,(SIGCONTEXT_FP_REGS+(PT_R8*8))(r31) - lfd fp7,(SIGCONTEXT_FP_REGS+(PT_R7*8))(r31) + lfd fp7,(SIGCONTEXT_FP_REGS+(PT_R7*8))(r31) lfd fp6,(SIGCONTEXT_FP_REGS+(PT_R6*8))(r31) - lfd fp5,(SIGCONTEXT_FP_REGS+(PT_R5*8))(r31) + lfd fp5,(SIGCONTEXT_FP_REGS+(PT_R5*8))(r31) lfd fp4,(SIGCONTEXT_FP_REGS+(PT_R4*8))(r31) - lfd fp3,(SIGCONTEXT_FP_REGS+(PT_R3*8))(r31) + lfd fp3,(SIGCONTEXT_FP_REGS+(PT_R3*8))(r31) lfd fp2,(SIGCONTEXT_FP_REGS+(PT_R2*8))(r31) - lfd fp1,(SIGCONTEXT_FP_REGS+(PT_R1*8))(r31) + lfd fp1,(SIGCONTEXT_FP_REGS+(PT_R1*8))(r31) lfd fp0,(SIGCONTEXT_FP_REGS+(PT_R0*8))(r31) - - ld r0,(SIGCONTEXT_GP_REGS+(PT_LNK*8))(r31) + + ld r0,(SIGCONTEXT_GP_REGS+(PT_LNK*8))(r31) ld r1,(SIGCONTEXT_GP_REGS+(PT_R1*8))(r31) mtlr r0 ld r2,(SIGCONTEXT_GP_REGS+(PT_R2*8))(r31) @@ -129,33 +129,33 @@ ENTRY(__novec_setcontext) ld r28,(SIGCONTEXT_GP_REGS+(PT_R28*8))(r31) ld r29,(SIGCONTEXT_GP_REGS+(PT_R29*8))(r31) ld r30,(SIGCONTEXT_GP_REGS+(PT_R30*8))(r31) - + /* Now we branch to the "Next Instruction Pointer" from the saved - context. With the powerpc64 instruction set there is no good way to + context. With the powerpc64 instruction set there is no good way to do this (from user state) without clobbering either the LR or CTR. - The makecontext and swapcontext functions depend on the callers + The makecontext and swapcontext functions depend on the callers LR being preserved so we use the CTR. */ ld r0,(SIGCONTEXT_GP_REGS+(PT_NIP*8))(r31) mtctr r0 ld r0,(SIGCONTEXT_GP_REGS+(PT_R0*8))(r31) ld r31,(SIGCONTEXT_GP_REGS+(PT_R31*8))(r31) bctr - + L(nv_error_exit): - ld r0,128+FRAME_LR_SAVE(r1) + ld r0,128+FRAME_LR_SAVE(r1) addi r1,r1,128 mtlr r0 ld r31,-8(r1) blr - /* At this point we assume that the ucontext was created by a - rt_signal and we should use rt_sigreturn to restore the original - state. As of the 2.4.21 kernel the ucontext is the first thing - (offset 0) in the rt_signal frame and rt_sigreturn expects the - ucontext address in R1. Normally the rt-signal trampoline handles - this by popping dummy frame before the rt_signal syscall. In our - case the stack may not be in its original (signal handler return with - R1 pointing at the dummy frame) state. We do have the ucontext + /* At this point we assume that the ucontext was created by a + rt_signal and we should use rt_sigreturn to restore the original + state. As of the 2.4.21 kernel the ucontext is the first thing + (offset 0) in the rt_signal frame and rt_sigreturn expects the + ucontext address in R1. Normally the rt-signal trampoline handles + this by popping dummy frame before the rt_signal syscall. In our + case the stack may not be in its original (signal handler return with + R1 pointing at the dummy frame) state. We do have the ucontext address in R3, so simply copy R3 to R1 before the syscall. */ L(nv_do_sigret): mr r1,r3, @@ -171,7 +171,7 @@ L(nv_do_sigret): bl JUMPTARGET(__syscall_error) nop li r3,-1 - ld r0,128+FRAME_LR_SAVE(r1) + ld r0,128+FRAME_LR_SAVE(r1) addi r1,r1,128 mtlr r0 blr @@ -186,7 +186,7 @@ compat_symbol (libc, __novec_setcontext, setcontext, GLIBC_2_3) .section ".toc","aw" .LC__dl_hwcap: #ifdef SHARED - .tc _rtld_global[TC],_rtld_global + .tc _rtld_global_ro[TC],_rtld_global_ro #else .tc _dl_hwcap[TC],_dl_hwcap #endif @@ -221,153 +221,153 @@ ENTRY(__setcontext) nop cmpdi r3,0 bne L(error_exit) - + ld r5,.LC__dl_hwcap@toc(r2) ld r10,(SIGCONTEXT_V_REGS_PTR)(r31) -#ifdef SHARED +# ifdef SHARED /* Load _rtld-global._dl_hwcap. */ - ld r5,RTLD_GLOBAL_DL_HWCAP_OFFSET(r5) -#else + ld r5,RTLD_GLOBAL_RO_DL_HWCAP_OFFSET(r5) +# else ld r5,0(r5) /* Load extern _dl_hwcap. */ -#endif +# endif andis. r5,r5,(PPC_FEATURE_HAS_ALTIVEC >> 16) beq L(has_no_vec) - + cmpdi r10,0 beq L(has_no_vec) lwz r0,(33*16)(r10) - + li r9,(16*32) mtspr VRSAVE,r0 cmpwi r0,0 - beq L(has_no_vec) - + beq L(has_no_vec) + lvx v19,r9,r10 la r9,(16)(r10) - - lvx v0,0,r10 + + lvx v0,0,r10 lvx v1,0,r9 addi r10,r10,32 addi r9,r9,32 - + mtvscr v19 - lvx v2,0,r10 + lvx v2,0,r10 lvx v3,0,r9 addi r10,r10,32 addi r9,r9,32 - - lvx v4,0,r10 + + lvx v4,0,r10 lvx v5,0,r9 addi r10,r10,32 addi r9,r9,32 - - lvx v6,0,r10 + + lvx v6,0,r10 lvx v7,0,r9 addi r10,r10,32 addi r9,r9,32 - - lvx v8,0,r10 + + lvx v8,0,r10 lvx v9,0,r9 addi r10,r10,32 addi r9,r9,32 - - lvx v10,0,r10 + + lvx v10,0,r10 lvx v11,0,r9 addi r10,r10,32 addi r9,r9,32 - - lvx v12,0,r10 + + lvx v12,0,r10 lvx v13,0,r9 addi r10,r10,32 addi r9,r9,32 - - lvx v14,0,r10 + + lvx v14,0,r10 lvx v15,0,r9 addi r10,r10,32 addi r9,r9,32 - - lvx v16,0,r10 + + lvx v16,0,r10 lvx v17,0,r9 addi r10,r10,32 addi r9,r9,32 - - lvx v18,0,r10 + + lvx v18,0,r10 lvx v11,0,r9 addi r19,r10,32 addi r9,r9,32 - - lvx v20,0,r10 + + lvx v20,0,r10 lvx v21,0,r9 addi r10,r10,32 addi r9,r9,32 - - lvx v22,0,r10 + + lvx v22,0,r10 lvx v23,0,r9 addi r10,r10,32 addi r9,r9,32 - - lvx v24,0,r10 + + lvx v24,0,r10 lvx v25,0,r9 addi r10,r10,32 addi r9,r9,32 - - lvx v26,0,r10 + + lvx v26,0,r10 lvx v27,0,r9 addi r10,r10,32 addi r9,r9,32 - - lvx v28,0,r10 + + lvx v28,0,r10 lvx v29,0,r9 addi r10,r10,32 addi r9,r9,32 - - lvx v30,0,r10 + + lvx v30,0,r10 lvx v31,0,r9 addi r10,r10,32 addi r9,r9,32 - - lvx v10,0,r10 + + lvx v10,0,r10 lvx v11,0,r9 addi r10,r10,32 addi r9,r9,32 - + L(has_no_vec): lfd fp0,(SIGCONTEXT_FP_REGS+(32*8))(r31) - lfd fp31,(SIGCONTEXT_FP_REGS+(PT_R31*8))(r31) + lfd fp31,(SIGCONTEXT_FP_REGS+(PT_R31*8))(r31) lfd fp30,(SIGCONTEXT_FP_REGS+(PT_R30*8))(r31) mtfsf 0xff,fp0 - lfd fp29,(SIGCONTEXT_FP_REGS+(PT_R29*8))(r31) + lfd fp29,(SIGCONTEXT_FP_REGS+(PT_R29*8))(r31) lfd fp28,(SIGCONTEXT_FP_REGS+(PT_R28*8))(r31) - lfd fp27,(SIGCONTEXT_FP_REGS+(PT_R27*8))(r31) + lfd fp27,(SIGCONTEXT_FP_REGS+(PT_R27*8))(r31) lfd fp26,(SIGCONTEXT_FP_REGS+(PT_R26*8))(r31) - lfd fp25,(SIGCONTEXT_FP_REGS+(PT_R25*8))(r31) + lfd fp25,(SIGCONTEXT_FP_REGS+(PT_R25*8))(r31) lfd fp24,(SIGCONTEXT_FP_REGS+(PT_R24*8))(r31) - lfd fp23,(SIGCONTEXT_FP_REGS+(PT_R23*8))(r31) + lfd fp23,(SIGCONTEXT_FP_REGS+(PT_R23*8))(r31) lfd fp22,(SIGCONTEXT_FP_REGS+(PT_R22*8))(r31) - lfd fp21,(SIGCONTEXT_FP_REGS+(PT_R21*8))(r31) + lfd fp21,(SIGCONTEXT_FP_REGS+(PT_R21*8))(r31) lfd fp20,(SIGCONTEXT_FP_REGS+(PT_R20*8))(r31) - lfd fp19,(SIGCONTEXT_FP_REGS+(PT_R19*8))(r31) + lfd fp19,(SIGCONTEXT_FP_REGS+(PT_R19*8))(r31) lfd fp18,(SIGCONTEXT_FP_REGS+(PT_R18*8))(r31) - lfd fp17,(SIGCONTEXT_FP_REGS+(PT_R17*8))(r31) + lfd fp17,(SIGCONTEXT_FP_REGS+(PT_R17*8))(r31) lfd fp16,(SIGCONTEXT_FP_REGS+(PT_R16*8))(r31) - lfd fp15,(SIGCONTEXT_FP_REGS+(PT_R15*8))(r31) + lfd fp15,(SIGCONTEXT_FP_REGS+(PT_R15*8))(r31) lfd fp14,(SIGCONTEXT_FP_REGS+(PT_R14*8))(r31) - lfd fp13,(SIGCONTEXT_FP_REGS+(PT_R13*8))(r31) + lfd fp13,(SIGCONTEXT_FP_REGS+(PT_R13*8))(r31) lfd fp12,(SIGCONTEXT_FP_REGS+(PT_R12*8))(r31) - lfd fp11,(SIGCONTEXT_FP_REGS+(PT_R11*8))(r31) + lfd fp11,(SIGCONTEXT_FP_REGS+(PT_R11*8))(r31) lfd fp10,(SIGCONTEXT_FP_REGS+(PT_R10*8))(r31) - lfd fp9,(SIGCONTEXT_FP_REGS+(PT_R9*8))(r31) + lfd fp9,(SIGCONTEXT_FP_REGS+(PT_R9*8))(r31) lfd fp8,(SIGCONTEXT_FP_REGS+(PT_R8*8))(r31) - lfd fp7,(SIGCONTEXT_FP_REGS+(PT_R7*8))(r31) + lfd fp7,(SIGCONTEXT_FP_REGS+(PT_R7*8))(r31) lfd fp6,(SIGCONTEXT_FP_REGS+(PT_R6*8))(r31) - lfd fp5,(SIGCONTEXT_FP_REGS+(PT_R5*8))(r31) + lfd fp5,(SIGCONTEXT_FP_REGS+(PT_R5*8))(r31) lfd fp4,(SIGCONTEXT_FP_REGS+(PT_R4*8))(r31) - lfd fp3,(SIGCONTEXT_FP_REGS+(PT_R3*8))(r31) + lfd fp3,(SIGCONTEXT_FP_REGS+(PT_R3*8))(r31) lfd fp2,(SIGCONTEXT_FP_REGS+(PT_R2*8))(r31) - lfd fp1,(SIGCONTEXT_FP_REGS+(PT_R1*8))(r31) + lfd fp1,(SIGCONTEXT_FP_REGS+(PT_R1*8))(r31) lfd fp0,(SIGCONTEXT_FP_REGS+(PT_R0*8))(r31) - - ld r0,(SIGCONTEXT_GP_REGS+(PT_LNK*8))(r31) + + ld r0,(SIGCONTEXT_GP_REGS+(PT_LNK*8))(r31) ld r1,(SIGCONTEXT_GP_REGS+(PT_R1*8))(r31) mtlr r0 ld r2,(SIGCONTEXT_GP_REGS+(PT_R2*8))(r31) @@ -403,33 +403,33 @@ L(has_no_vec): ld r28,(SIGCONTEXT_GP_REGS+(PT_R28*8))(r31) ld r29,(SIGCONTEXT_GP_REGS+(PT_R29*8))(r31) ld r30,(SIGCONTEXT_GP_REGS+(PT_R30*8))(r31) - + /* Now we branch to the "Next Instruction Pointer" from the saved - context. With the powerpc64 instruction set there is no good way to + context. With the powerpc64 instruction set there is no good way to do this (from user state) without clobbering either the LR or CTR. - The makecontext and swapcontext functions depend on the callers + The makecontext and swapcontext functions depend on the callers LR being preserved so we use the CTR. */ ld r0,(SIGCONTEXT_GP_REGS+(PT_NIP*8))(r31) mtctr r0 ld r0,(SIGCONTEXT_GP_REGS+(PT_R0*8))(r31) ld r31,(SIGCONTEXT_GP_REGS+(PT_R31*8))(r31) bctr - + L(error_exit): - ld r0,128+FRAME_LR_SAVE(r1) + ld r0,128+FRAME_LR_SAVE(r1) addi r1,r1,128 mtlr r0 ld r31,-8(r1) blr - /* At this point we assume that the ucontext was created by a - rt_signal and we should use rt_sigreturn to restore the original - state. As of the 2.4.21 kernel the ucontext is the first thing - (offset 0) in the rt_signal frame and rt_sigreturn expects the - ucontext address in R1. Normally the rt-signal trampoline handles - this by popping dummy frame before the rt_signal syscall. In our - case the stack may not be in its original (signal handler return with - R1 pointing at the dummy frame) state. We do have the ucontext + /* At this point we assume that the ucontext was created by a + rt_signal and we should use rt_sigreturn to restore the original + state. As of the 2.4.21 kernel the ucontext is the first thing + (offset 0) in the rt_signal frame and rt_sigreturn expects the + ucontext address in R1. Normally the rt-signal trampoline handles + this by popping dummy frame before the rt_signal syscall. In our + case the stack may not be in its original (signal handler return with + R1 pointing at the dummy frame) state. We do have the ucontext address in R3, so simply copy R3 to R1 before the syscall. */ L(do_sigret): mr r1,r3, @@ -445,7 +445,7 @@ L(do_sigret): bl JUMPTARGET(__syscall_error) nop li r3,-1 - ld r0,128+FRAME_LR_SAVE(r1) + ld r0,128+FRAME_LR_SAVE(r1) addi r1,r1,128 mtlr r0 blr |