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| author | Rich Felker <dalias@aerifal.cx> | 2012-11-14 14:01:39 -0500 |
|---|---|---|
| committer | Rich Felker <dalias@aerifal.cx> | 2012-11-14 14:01:39 -0500 |
| commit | c6d441e3a246370d9c459396ec22b096db93850e (patch) | |
| tree | fa3d4a4ca03531ceab9e60abb50e37780fce60ed /src/setjmp/powerpc/setjmp.s | |
| parent | c4a35f8c2a4b1a7e62a4b9e5b2748fb4fbcace79 (diff) | |
| parent | 1c8eb8bad791fe9d01d0d4ab77882db634fa933d (diff) | |
| download | musl-c6d441e3a246370d9c459396ec22b096db93850e.tar.gz | |
Merge remote-tracking branch 'ppc-port/ppc-squashed'
Diffstat (limited to 'src/setjmp/powerpc/setjmp.s')
| -rw-r--r-- | src/setjmp/powerpc/setjmp.s | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/src/setjmp/powerpc/setjmp.s b/src/setjmp/powerpc/setjmp.s new file mode 100644 index 00000000..27c975e4 --- /dev/null +++ b/src/setjmp/powerpc/setjmp.s @@ -0,0 +1,40 @@ + .global __setjmp + .global _setjmp + .global setjmp + .type __setjmp,@function + .type _setjmp,@function + .type setjmp,@function +__setjmp: +_setjmp: +setjmp: + # 0) store IP int 0, then into the jmpbuf pointed to by r3 (first arg) + mflr 0 + stw 0, 0(3) + # 1) store reg1 (SP) + stw 1, 4(3) + # 2) store cr + mfcr 0 + stw 0, 8(3) + # 3) store r14-31 + stw 14, 12(3) + stw 15, 16(3) + stw 16, 20(3) + stw 17, 24(3) + stw 18, 28(3) + stw 19, 32(3) + stw 20, 36(3) + stw 21, 40(3) + stw 22, 44(3) + stw 23, 48(3) + stw 24, 52(3) + stw 25, 56(3) + stw 26, 60(3) + stw 27, 64(3) + stw 28, 68(3) + stw 29, 72(3) + stw 30, 76(3) + stw 31, 80(3) + # 4) set return value to 0 + li 3, 0 + # 5) return + blr |