diff options
Diffstat (limited to 'src/runtime/sys_linux_ppc64x.s')
| -rw-r--r-- | src/runtime/sys_linux_ppc64x.s | 23 |
1 files changed, 17 insertions, 6 deletions
diff --git a/src/runtime/sys_linux_ppc64x.s b/src/runtime/sys_linux_ppc64x.s index d105585b7e..32db3c6b50 100644 --- a/src/runtime/sys_linux_ppc64x.s +++ b/src/runtime/sys_linux_ppc64x.s @@ -447,12 +447,7 @@ TEXT runtime·sigfwd(SB),NOSPLIT,$0-32 MOVD 24(R1), R2 RET -#ifdef GO_PPC64X_HAS_FUNCDESC -DEFINE_PPC64X_FUNCDESC(runtime·sigtramp, sigtramp<>) -// cgo isn't supported on ppc64, but we need to supply a cgoSigTramp function. -DEFINE_PPC64X_FUNCDESC(runtime·cgoSigtramp, sigtramp<>) -TEXT sigtramp<>(SB),NOSPLIT|NOFRAME|TOPFRAME,$0 -#else +#ifdef GOARCH_ppc64le // ppc64le doesn't need function descriptors // Save callee-save registers in the case of signal forwarding. // Same as on ARM64 https://golang.org/issue/31827 . @@ -461,6 +456,13 @@ TEXT sigtramp<>(SB),NOSPLIT|NOFRAME|TOPFRAME,$0 // a function pointer) as R2 may not be preserved when calling this // function. In those cases, the caller preserves their R2. TEXT runtime·sigtramp(SB),NOSPLIT|NOFRAME,$0 +#else +// function descriptor for the real sigtramp +TEXT runtime·sigtramp(SB),NOSPLIT|NOFRAME,$0 + DWORD $sigtramp<>(SB) + DWORD $0 + DWORD $0 +TEXT sigtramp<>(SB),NOSPLIT|NOFRAME|TOPFRAME,$0 #endif // This is called with ELF calling conventions. Convert to Go. // Allocate space for argument storage to call runtime.sigtrampgo. @@ -489,6 +491,7 @@ TEXT runtime·sigtramp(SB),NOSPLIT|NOFRAME,$0 RET #ifdef GOARCH_ppc64le +// ppc64le doesn't need function descriptors TEXT runtime·cgoSigtramp(SB),NOSPLIT|NOFRAME,$0 // The stack unwinder, presumably written in C, may not be able to // handle Go frame correctly. So, this function is NOFRAME, and we @@ -583,6 +586,14 @@ sigtrampnog: MOVD R12, CTR MOVD R10, LR // restore LR JMP (CTR) +#else +// function descriptor for the real sigtramp +TEXT runtime·cgoSigtramp(SB),NOSPLIT|NOFRAME,$0 + DWORD $cgoSigtramp<>(SB) + DWORD $0 + DWORD $0 +TEXT cgoSigtramp<>(SB),NOSPLIT,$0 + JMP sigtramp<>(SB) #endif // Used by cgoSigtramp to inspect without clobbering R30/R31 via runtime.load_g. |