問題內容

解決方法

為什麼不起作用

解決辦法

1。透過全域變數傳遞函數指標

2。去彙編

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修改go以使用Gem5 m5ops：go tool dist顯示導入訊息然後退出

WBOYWBOYWBOYWBOYWBOYWBOYWBOYWBOYWBOYWBOYWBOYWBOYWB

Feb 13, 2024 pm 07:50 PM

go語言模擬器

修改go以使用Gem5 m5ops：go tool dist显示导入消息然后退出

php小編蘋果在這裡為大家介紹一個關於修改Go語言以使用Gem5 m5ops的方法。 Gem5是一個廣泛使用的模擬器，而m5ops是Gem5中的一組作業系統介面。透過修改Go語言，我們可以使用Gem5的m5ops介面來進行效能分析和除錯。具體的步驟是，在Go的工具鏈中加入對m5ops的支持，然後使用m5ops提供的函數進行效能監測和除錯操作。透過這種方式，我們可以更了解Go語言在模擬環境中的運作情況，並進行相應的最佳化和偵錯工作。

問題內容

我對 golang 還很陌生。

我正在嘗試將一些 c 函數呼叫（特別是 m5ops）插入到 golang 的執行時間（特別是 src/proc.go）。

我嘗試使用 cgo，這導致將此導入添加到 proc.go 的開頭：

// #cgo cflags: -i$(gem5_path)/include -static
// #cgo ldflags: -l$(gem5_path)/util/m5/build/x86/out -lm5
// #include <gem5/m5ops.h>
import "c"

登入後複製

但是當我嘗試使用 ./all.bash 重建時，腳本輸出然後退出：

./all.bash
building go cmd/dist using /usr/local/go. (go1.20.5 linux/amd64)
building go toolchain1 using /usr/local/go.
building go bootstrap cmd/go (go_bootstrap) using go toolchain1.
go tool dist: /home/landerx/goroot/src/runtime/proc.go imports c

登入後複製

上述輸出的更詳細版本：

./all.bash -v
Building Go cmd/dist using /usr/local/go. (go1.20.5 linux/amd64)
cmd/dist

Building Go toolchain1 using /usr/local/go.
internal/goarch
internal/coverage/rtcov
internal/goos
internal/race
internal/unsafeheader
internal/goexperiment
unicode
runtime/internal/syscall
sync/atomic
runtime/internal/atomic
internal/cpu
unicode/utf8
internal/itoa
math/bits
internal/abi
runtime/internal/math
runtime/internal/sys
bootstrap/internal/goarch
bootstrap/internal/goexperiment
bootstrap/math/bits
encoding
bootstrap/internal/unsafeheader
bootstrap/internal/platform
bootstrap/internal/coverage
internal/bytealg
bootstrap/internal/abi
math
unicode/utf16
bootstrap/internal/goversion
internal/goversion
bootstrap/internal/race
bootstrap/cmd/compile/internal/test
runtime
internal/reflectlite
runtime/metrics
sync
internal/testlog
internal/godebug
bootstrap/internal/bisect
math/rand
errors
sort
bootstrap/sort
io
internal/oserror
internal/safefilepath
path
strconv
bootstrap/strconv
syscall
bootstrap/container/heap
hash
text/tabwriter
bytes
strings
hash/adler32
hash/fnv
hash/crc32
crypto
reflect
bootstrap/internal/types/errors
go/build/constraint
bootstrap/go/build/constraint
bufio
regexp/syntax
html
internal/syscall/execenv
internal/syscall/unix
time
regexp
context
io/fs
internal/poll
internal/fmtsort
bootstrap/internal/saferio
encoding/binary
os
bootstrap/cmd/internal/notsha256
encoding/base64
bootstrap/cmd/internal/sys
crypto/md5
bootstrap/internal/lazyregexp
internal/lazyregexp
path/filepath
fmt
os/exec
log
bootstrap/internal/buildcfg
flag
bootstrap/cmd/internal/src
text/scanner
bootstrap/cmd/internal/edit
bootstrap/cmd/internal/pkgpath
go/token
bootstrap/compress/flate
bootstrap/internal/zstd
go/doc/comment
bootstrap/debug/dwarf
encoding/json
runtime/debug
bootstrap/math/big
bootstrap/cmd/internal/bio
net/url
go/scanner
bootstrap/cmd/internal/objabi
bootstrap/cmd/compile/internal/abt
bootstrap/cmd/internal/goobj
bootstrap/cmd/internal/gcprog
bootstrap/cmd/internal/quoted
bootstrap/compress/zlib
encoding/hex
compress/flate
go/ast
internal/buildcfg
internal/goroot
bootstrap/cmd/internal/dwarf
runtime/trace
bootstrap/cmd/internal/archive
bootstrap/cmd/internal/obj
bootstrap/debug/macho
bootstrap/debug/elf
bootstrap/debug/pe
bootstrap/internal/xcoff
bootstrap/cmd/link/internal/dwtest
compress/gzip
bootstrap/internal/profile
runtime/pprof
go/doc
go/printer
go/internal/typeparams
go/parser
bootstrap/cmd/internal/codesign
bootstrap/go/constant
bootstrap/internal/pkgbits
bootstrap/cmd/compile/internal/syntax
bootstrap/cmd/link/internal/benchmark
bootstrap/cmd/compile/internal/pgo/internal/graph
go/build
go/format
bootstrap/cmd/cgo
bootstrap/cmd/internal/obj/loong64
bootstrap/cmd/internal/obj/mips
bootstrap/cmd/internal/obj/wasm
bootstrap/cmd/internal/obj/arm
bootstrap/cmd/internal/obj/arm64
bootstrap/cmd/internal/obj/s390x
bootstrap/cmd/internal/obj/riscv
bootstrap/cmd/internal/obj/ppc64
bootstrap/cmd/internal/obj/x86
bootstrap/cmd/asm/internal/flags
bootstrap/cmd/compile/internal/base
bootstrap/cmd/compile/internal/logopt
bootstrap/cmd/asm/internal/lex
bootstrap/cmd/link/internal/sym
bootstrap/cmd/link/internal/loader
bootstrap/cmd/compile/internal/bitvec
bootstrap/cmd/compile/internal/types
bootstrap/cmd/compile/internal/types2
bootstrap/cmd/link/internal/loadelf
bootstrap/cmd/link/internal/loadmacho
bootstrap/cmd/link/internal/loadpe
bootstrap/cmd/link/internal/loadxcoff
bootstrap/cmd/compile/internal/typebits
bootstrap/cmd/compile/internal/ir
bootstrap/cmd/asm/internal/arch
bootstrap/cmd/link/internal/ld
bootstrap/cmd/asm/internal/asm
bootstrap/cmd/asm
bootstrap/cmd/compile/internal/abi
bootstrap/cmd/compile/internal/deadcode
bootstrap/cmd/compile/internal/typecheck
bootstrap/cmd/compile/internal/objw
bootstrap/cmd/compile/internal/staticdata
bootstrap/cmd/compile/internal/compare
bootstrap/cmd/compile/internal/pgo
bootstrap/cmd/compile/internal/coverage
bootstrap/cmd/compile/internal/loopvar
bootstrap/cmd/compile/internal/importer
bootstrap/cmd/compile/internal/escape
bootstrap/cmd/compile/internal/inline
bootstrap/cmd/compile/internal/reflectdata
bootstrap/cmd/compile/internal/devirtualize
bootstrap/cmd/compile/internal/staticinit
bootstrap/cmd/compile/internal/ssa
bootstrap/cmd/link/internal/amd64
bootstrap/cmd/link/internal/loong64
bootstrap/cmd/link/internal/arm
bootstrap/cmd/link/internal/mips
bootstrap/cmd/link/internal/mips64
bootstrap/cmd/link/internal/arm64
bootstrap/cmd/link/internal/ppc64
bootstrap/cmd/link/internal/riscv64
bootstrap/cmd/link/internal/s390x
bootstrap/cmd/link/internal/wasm
bootstrap/cmd/link/internal/x86
bootstrap/cmd/link
bootstrap/cmd/compile/internal/liveness
bootstrap/cmd/compile/internal/ssagen
bootstrap/cmd/compile/internal/amd64
bootstrap/cmd/compile/internal/arm
bootstrap/cmd/compile/internal/arm64
bootstrap/cmd/compile/internal/dwarfgen
bootstrap/cmd/compile/internal/loong64
bootstrap/cmd/compile/internal/mips
bootstrap/cmd/compile/internal/mips64
bootstrap/cmd/compile/internal/wasm
bootstrap/cmd/compile/internal/s390x
bootstrap/cmd/compile/internal/riscv64
bootstrap/cmd/compile/internal/ppc64
bootstrap/cmd/compile/internal/walk
bootstrap/cmd/compile/internal/x86
bootstrap/cmd/compile/internal/noder
bootstrap/cmd/compile/internal/pkginit
bootstrap/cmd/compile/internal/gc
bootstrap/cmd/compile

Building Go bootstrap cmd/go (go_bootstrap) using Go toolchain1.
runtime
go tool dist: /home/landerx/goroot/src/runtime/proc.go imports C

登入後複製

嘗試了 cgo_enabled=1 標誌，似乎沒有任何區別。

嘗試只運行 make.bash，似乎沒有任何區別。

我想知道是否是依賴問題，但沒有看到任何與偽包 cgo 相關的訊息，也沒有看到我的 vscode 出現任何錯誤。