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| author | Srinivas Pokala <Pokala.Srinivas@ibm.com> | 2025-11-11 05:19:47 +0100 |
|---|---|---|
| committer | Keith Randall <khr@golang.org> | 2025-11-24 10:22:30 -0800 |
| commit | 58a48a3e3bed76803bb3ac59d1d239dde654f336 (patch) | |
| tree | 0170139247e2c0d06b092d8c2bf28739d2add0e9 /src/internal/runtime | |
| parent | 2a185fae7e9a3905ff9a96c44a0d6aac6c8aeb03 (diff) | |
| download | go-58a48a3e3bed76803bb3ac59d1d239dde654f336.tar.xz | |
internal/runtime/syscall: Syscall changes for s390x regabi
Updates #40724
Change-Id: I07a01ac1bda71214f01f4a72e15ab469ef275725
Reviewed-on: https://go-review.googlesource.com/c/go/+/719423
Reviewed-by: Vishwanatha HD <vishwanatha.hd@ibm.com>
Reviewed-by: Keith Randall <khr@google.com>
Reviewed-by: David Chase <drchase@google.com>
Reviewed-by: Keith Randall <khr@golang.org>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Diffstat (limited to 'src/internal/runtime')
| -rw-r--r-- | src/internal/runtime/syscall/linux/asm_linux_s390x.s | 22 |
1 files changed, 21 insertions, 1 deletions
diff --git a/src/internal/runtime/syscall/linux/asm_linux_s390x.s b/src/internal/runtime/syscall/linux/asm_linux_s390x.s index 1b27f29390..c912afab64 100644 --- a/src/internal/runtime/syscall/linux/asm_linux_s390x.s +++ b/src/internal/runtime/syscall/linux/asm_linux_s390x.s @@ -5,7 +5,16 @@ #include "textflag.h" // func Syscall6(num, a1, a2, a3, a4, a5, a6 uintptr) (r1, r2, errno uintptr) -TEXT ·Syscall6(SB),NOSPLIT,$0-80 +TEXT ·Syscall6<ABIInternal>(SB),NOSPLIT,$0-80 +#ifdef GOEXPERIMENT_regabiargs + MOVD R2, R1 + MOVD R3, R2 + MOVD R4, R3 + MOVD R5, R4 + MOVD R6, R5 + MOVD R7, R6 + MOVD R8, R7 +#else MOVD num+0(FP), R1 // syscall entry MOVD a1+8(FP), R2 MOVD a2+16(FP), R3 @@ -13,16 +22,27 @@ TEXT ·Syscall6(SB),NOSPLIT,$0-80 MOVD a4+32(FP), R5 MOVD a5+40(FP), R6 MOVD a6+48(FP), R7 +#endif SYSCALL MOVD $0xfffffffffffff001, R8 CMPUBLT R2, R8, ok +#ifdef GOEXPERIMENT_regabiargs + MOVD $0, R3 + NEG R2, R4 + MOVD $-1, R2 +#else MOVD $-1, r1+56(FP) MOVD $0, r2+64(FP) NEG R2, R2 MOVD R2, errno+72(FP) +#endif RET ok: +#ifdef GOEXPERIMENT_regabiargs + MOVD $0, R4 +#else MOVD R2, r1+56(FP) MOVD R3, r2+64(FP) MOVD $0, errno+72(FP) +#endif RET |