From c0ede9e4046a0882d83ae4b45c7dfac86fb7c15d Mon Sep 17 00:00:00 2001 From: Bobby Bingham Date: Sat, 30 Apr 2016 19:18:17 -0500 Subject: add powerpc64 port --- src/setjmp/powerpc64/longjmp.s | 77 +++++++++++++++++++++++++++++++++++++++++ src/setjmp/powerpc64/setjmp.s | 78 ++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 155 insertions(+) create mode 100644 src/setjmp/powerpc64/longjmp.s create mode 100644 src/setjmp/powerpc64/setjmp.s (limited to 'src/setjmp') diff --git a/src/setjmp/powerpc64/longjmp.s b/src/setjmp/powerpc64/longjmp.s new file mode 100644 index 00000000..7f241c2d --- /dev/null +++ b/src/setjmp/powerpc64/longjmp.s @@ -0,0 +1,77 @@ + .global _longjmp + .global longjmp + .type _longjmp,@function + .type longjmp,@function +_longjmp: +longjmp: + # 0) move old return address into the link register + ld 0, 0*8(3) + mtlr 0 + # 1) restore cr + ld 0, 1*8(3) + mtcr 0 + # 2) restore r1-r2 (SP and TOC) + ld 1, 2*8(3) + ld 2, 3*8(3) + # 3) restore r14-r31 + ld 14, 4*8(3) + ld 15, 5*8(3) + ld 16, 6*8(3) + ld 17, 7*8(3) + ld 18, 8*8(3) + ld 19, 9*8(3) + ld 20, 10*8(3) + ld 21, 11*8(3) + ld 22, 12*8(3) + ld 23, 13*8(3) + ld 24, 14*8(3) + ld 25, 15*8(3) + ld 26, 16*8(3) + ld 27, 17*8(3) + ld 28, 18*8(3) + ld 29, 19*8(3) + ld 30, 20*8(3) + ld 31, 21*8(3) + # 4) restore floating point registers f14-f31 + lfd 14, 22*8(3) + lfd 15, 23*8(3) + lfd 16, 24*8(3) + lfd 17, 25*8(3) + lfd 18, 26*8(3) + lfd 19, 27*8(3) + lfd 20, 28*8(3) + lfd 21, 29*8(3) + lfd 22, 30*8(3) + lfd 23, 31*8(3) + lfd 24, 32*8(3) + lfd 25, 33*8(3) + lfd 26, 34*8(3) + lfd 27, 35*8(3) + lfd 28, 36*8(3) + lfd 29, 37*8(3) + lfd 30, 38*8(3) + lfd 31, 39*8(3) + + # 5) restore vector registers v20-v31 + addi 3, 3, 40*8 + lvx 20, 0, 3 ; addi 3, 3, 16 + lvx 21, 0, 3 ; addi 3, 3, 16 + lvx 22, 0, 3 ; addi 3, 3, 16 + lvx 23, 0, 3 ; addi 3, 3, 16 + lvx 24, 0, 3 ; addi 3, 3, 16 + lvx 25, 0, 3 ; addi 3, 3, 16 + lvx 26, 0, 3 ; addi 3, 3, 16 + lvx 27, 0, 3 ; addi 3, 3, 16 + lvx 28, 0, 3 ; addi 3, 3, 16 + lvx 29, 0, 3 ; addi 3, 3, 16 + lvx 30, 0, 3 ; addi 3, 3, 16 + lvx 31, 0, 3 + + # 6) return r4 ? r4 : 1 + mr 3, 4 + cmpwi cr7, 4, 0 + bne cr7, 1f + li 3, 1 +1: + blr + diff --git a/src/setjmp/powerpc64/setjmp.s b/src/setjmp/powerpc64/setjmp.s new file mode 100644 index 00000000..d16d4bae --- /dev/null +++ b/src/setjmp/powerpc64/setjmp.s @@ -0,0 +1,78 @@ + .global ___setjmp + .hidden ___setjmp + .global __setjmp + .global _setjmp + .global setjmp + .type __setjmp,@function + .type _setjmp,@function + .type setjmp,@function +___setjmp: +__setjmp: +_setjmp: +setjmp: + # 0) store IP into 0, then into the jmpbuf pointed to by r3 (first arg) + mflr 0 + std 0, 0*8(3) + # 1) store cr + mfcr 0 + std 0, 1*8(3) + # 2) store r1-r2 (SP and TOC) + std 1, 2*8(3) + std 2, 3*8(3) + # 3) store r14-31 + std 14, 4*8(3) + std 15, 5*8(3) + std 16, 6*8(3) + std 17, 7*8(3) + std 18, 8*8(3) + std 19, 9*8(3) + std 20, 10*8(3) + std 21, 11*8(3) + std 22, 12*8(3) + std 23, 13*8(3) + std 24, 14*8(3) + std 25, 15*8(3) + std 26, 16*8(3) + std 27, 17*8(3) + std 28, 18*8(3) + std 29, 19*8(3) + std 30, 20*8(3) + std 31, 21*8(3) + # 4) store floating point registers f14-f31 + stfd 14, 22*8(3) + stfd 15, 23*8(3) + stfd 16, 24*8(3) + stfd 17, 25*8(3) + stfd 18, 26*8(3) + stfd 19, 27*8(3) + stfd 20, 28*8(3) + stfd 21, 29*8(3) + stfd 22, 30*8(3) + stfd 23, 31*8(3) + stfd 24, 32*8(3) + stfd 25, 33*8(3) + stfd 26, 34*8(3) + stfd 27, 35*8(3) + stfd 28, 36*8(3) + stfd 29, 37*8(3) + stfd 30, 38*8(3) + stfd 31, 39*8(3) + + # 5) store vector registers v20-v31 + addi 3, 3, 40*8 + stvx 20, 0, 3 ; addi 3, 3, 16 + stvx 21, 0, 3 ; addi 3, 3, 16 + stvx 22, 0, 3 ; addi 3, 3, 16 + stvx 23, 0, 3 ; addi 3, 3, 16 + stvx 24, 0, 3 ; addi 3, 3, 16 + stvx 25, 0, 3 ; addi 3, 3, 16 + stvx 26, 0, 3 ; addi 3, 3, 16 + stvx 27, 0, 3 ; addi 3, 3, 16 + stvx 28, 0, 3 ; addi 3, 3, 16 + stvx 29, 0, 3 ; addi 3, 3, 16 + stvx 30, 0, 3 ; addi 3, 3, 16 + stvx 31, 0, 3 + + # 6) return 0 + li 3, 0 + blr -- cgit v1.2.1