This repository was archived by the owner on Dec 1, 2021. It is now read-only.
This repository was archived by the owner on Dec 1, 2021. It is now read-only.
Open
Description
env
- system: linux amd64(archlinux)
- gcc: v8.1.0
- clang & llvm: v6.0.0
- yasm: v1.3.0
- c2goasm: last master
- asm2plan9s: last master
problem
run
git clone https://github.com/minio/c2goasm.git
cd c2goasm/test/cpp
./assemble.sh ./MaddConstant.cpp
cd ../../
go build
./c2goasm -a ./test/cpp/MaddConstant.s ./test/MaddConstant_amd64.serror
Processing ./test/cpp/MaddConstant.s
panic: Failed to find function prototype for _Z12MaddConstantPfS_S_
goroutine 1 [running]:
main.parseCompanionFile(0xc4200131c0, 0x1c, 0xc420013268, 0x16, 0x0, 0x0, 0x1, 0x40e6d9, 0x51eb80, 0xc42004d850)
/home/zero/go-works/src/c2goasm/arguments.go:75 +0x24c
main.process(0xc420094600, 0x1e, 0x20, 0xc4200131c0, 0x1c, 0x0, 0x0, 0x0, 0x0, 0x0)
/home/zero/go-works/src/c2goasm/c2goasm.go:86 +0x205
main.main()
/home/zero/go-works/src/c2goasm/c2goasm.go:264 +0x390Try to repair
diff --git a/subroutine.go b/subroutine.go
index 00d98f7..c6b3ec4 100644
--- a/subroutine.go
+++ b/subroutine.go
@@ -266,7 +266,7 @@ func extractNamePart(part string) (int, string) {
func extractName(name string) string {
// Only proceed for C++ mangled names
- if !(strings.HasPrefix(name, "_ZN") || strings.HasPrefix(name, "__Z")) {
+ if !(strings.HasPrefix(name, "_ZN") || strings.HasPrefix(name, "__Z") || strings.HasPrefix(name, "_Z")) {
return name
}
but run go test -v ./... has error
FAIL c2goasm/cgocmp [build failed]
=== RUN TestMaddArgs10
--- PASS: TestMaddArgs10 (0.00s)
=== RUN TestMaddConstant
unexpected fault address 0x0
fatal error: fault
[signal SIGSEGV: segmentation violation code=0x80 addr=0x0 pc=0x4e7ba3]
goroutine 6 [running]:
runtime.throw(0x52fa3b, 0x5)
/usr/lib/go/src/runtime/panic.go:616 +0x81 fp=0xc420039e00 sp=0xc420039de0 pc=0x428a91
runtime.sigpanic()
/usr/lib/go/src/runtime/signal_unix.go:395 +0x211 fp=0xc420039e50 sp=0xc420039e00 pc=0x43bc61
c2goasm/test._MaddConstant(0xc420039ea0, 0xc420039ec0, 0xc420039e70)
/home/zero/go-works/src/c2goasm/test/MaddConstant_amd64.s:11 +0x13 fp=0xc420039e58 sp=0xc420039e50 pc=0x4e7ba3
c2goasm/test.MaddConstant(0x3f80000000000000, 0x4040000040000000, 0x40a0000040800000, 0x40e0000040c00000, 0x4000000000000000, 0x40c0000040800000, 0x4120000041000000, 0x4160000041400000, 0x0, 0x0, ...)
/home/zero/go-works/src/c2goasm/test/MaddConstant_amd64.go:17 +0x5c fp=0xc420039ea0 sp=0xc420039e58 pc=0x4e5f3c
c2goasm/test.TestMaddConstant(0xc4200a21e0)
/home/zero/go-works/src/c2goasm/test/MaddConstant_test.go:17 +0xd2 fp=0xc420039fa8 sp=0xc420039ea0 pc=0x4e65f2
testing.tRunner(0xc4200a21e0, 0x538520)
/usr/lib/go/src/testing/testing.go:777 +0xd0 fp=0xc420039fd0 sp=0xc420039fa8 pc=0x4ad900
runtime.goexit()
/usr/lib/go/src/runtime/asm_amd64.s:2361 +0x1 fp=0xc420039fd8 sp=0xc420039fd0 pc=0x454c51
created by testing.(*T).Run
/usr/lib/go/src/testing/testing.go:824 +0x2e0
goroutine 1 [chan receive]:
testing.(*T).Run(0xc4200a21e0, 0x53176a, 0x10, 0x538520, 0x465d01)
/usr/lib/go/src/testing/testing.go:825 +0x301
testing.runTests.func1(0xc4200a2000)
/usr/lib/go/src/testing/testing.go:1063 +0x64
testing.tRunner(0xc4200a2000, 0xc42004ddf8)
/usr/lib/go/src/testing/testing.go:777 +0xd0
testing.runTests(0xc42000a080, 0x5da340, 0x7, 0x7, 0x40e959)
/usr/lib/go/src/testing/testing.go:1061 +0x2c4
testing.(*M).Run(0xc42009e000, 0x0)
/usr/lib/go/src/testing/testing.go:978 +0x171
main.main()
_testmain.go:56 +0x151
FAIL c2goasm/test 0.003sasm source
test/cpp/MaddConstant.s
.file "MaddConstant.cpp"
.intel_syntax noprefix
.text
.p2align 4,,15
.globl _Z12MaddConstantPfS_S_
.type _Z12MaddConstantPfS_S_, @function
_Z12MaddConstantPfS_S_:
vmovaps ymm0, YMMWORD PTR [rdi]
vmovaps ymm1, YMMWORD PTR _ZL1a[rip]
vfmadd132ps ymm0, ymm1, YMMWORD PTR [rsi]
vmovups XMMWORD PTR [rdx], xmm0
vextractf128 XMMWORD PTR 16[rdx], ymm0, 0x1
vzeroupper
ret
.size _Z12MaddConstantPfS_S_, .-_Z12MaddConstantPfS_S_
.section .rodata
.align 32
.type _ZL1a, @object
.size _ZL1a, 32
_ZL1a:
.long 1065353216
.long 1073741824
.long 1077936128
.long 1082130432
.long 1084227584
.long 1086324736
.long 1088421888
.long 1090519040
.ident "GCC: (GNU) 8.1.0"
.section .note.GNU-stack,"",@progbits
test/MaddConstant_amd64.s
//+build !noasm !appengine
// AUTO-GENERATED BY C2GOASM -- DO NOT EDIT
TEXT ·_MaddConstant(SB), $0-24
MOVQ vec1+0(FP), DI
MOVQ vec2+8(FP), SI
MOVQ result+16(FP), DX
LONG $0x0728fcc5 // vmovaps ymm0, YMMWORD PTR [rdi]
QUAD $0x000000000d28fcc5 // vmovaps ymm1, YMMWORD PTR _ZL1a[rip]
LONG $0x9875e2c4; BYTE $0x06 // vfmadd132ps ymm0, ymm1, YMMWORD PTR [rsi]
LONG $0x0211f8c5 // vmovups XMMWORD PTR [rdx], xmm0
LONG $0x197de3c4; WORD $0x1042; BYTE $0x01 // vextractf128 XMMWORD PTR 16[rdx], ymm0, 0x1
VZEROUPPER
RET
source by my fork