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| author | qmuntal <quimmuntal@gmail.com> | 2026-03-05 10:07:49 +0100 |
|---|---|---|
| committer | Gopher Robot <gobot@golang.org> | 2026-03-18 15:32:53 -0700 |
| commit | 6bdfdb5f51951584732e6a95a7ee8a5ba5e8cb93 (patch) | |
| tree | 5de5bf3d98eda9a353de1028b9e0836adb77ea2f /src/runtime/asm_arm.s | |
| parent | 8e137ff9953d7a535170c9f3ff2c55811e7e13c3 (diff) | |
| download | go-6bdfdb5f51951584732e6a95a7ee8a5ba5e8cb93.tar.xz | |
runtime: implement part of library initialization in Go
All architectures supporting c-shared and c-archive share the same
initialization code in assembly, and most of it can be implemented in
pure Go.
Cq-Include-Trybots: luci.golang.try:gotip-darwin-arm64-longtest,gotip-linux-ppc64le_power10,gotip-linux-riscv64,gotip-linux-loong64,gotip-linux-s390x
Change-Id: Iaa9fb7d6f9ca8785f1098461646d607ef6b00d47
Reviewed-on: https://go-review.googlesource.com/c/go/+/706417
Auto-Submit: Quim Muntal <quimmuntal@gmail.com>
Reviewed-by: Cherry Mui <cherryyz@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Carlos Amedee <carlos@golang.org>
Diffstat (limited to 'src/runtime/asm_arm.s')
| -rw-r--r-- | src/runtime/asm_arm.s | 22 |
1 files changed, 3 insertions, 19 deletions
diff --git a/src/runtime/asm_arm.s b/src/runtime/asm_arm.s index d9bf04f4c3..f5c2454752 100644 --- a/src/runtime/asm_arm.s +++ b/src/runtime/asm_arm.s @@ -58,24 +58,8 @@ skipfpsave: MOVW $0, g // Initialize g. - // Synchronous initialization. - CALL runtime·libpreinit(SB) + CALL runtime·libInit(SB) - // Create a new thread to do the runtime initialization. - MOVW _cgo_sys_thread_create(SB), R2 - CMP $0, R2 - BEQ nocgo - MOVW $_rt0_arm_lib_go<>(SB), R0 - MOVW $0, R1 - BL (R2) - B rr -nocgo: - MOVW $0x800000, R0 // stacksize = 8192KB - MOVW $_rt0_arm_lib_go<>(SB), R1 // fn - MOVW R0, 4(R13) - MOVW R1, 8(R13) - BL runtime·newosproc0(SB) -rr: // Restore callee-save registers and return. MOVB runtime·goarmsoftfp(SB), R11 CMP $0, R11 @@ -98,9 +82,9 @@ skipfprest: MOVW 36(R13), R11 RET -// _rt0_arm_lib_go initializes the Go runtime. +// rt0_lib_go initializes the Go runtime. // This is started in a separate thread by _rt0_arm_lib. -TEXT _rt0_arm_lib_go<>(SB),NOSPLIT,$8 +TEXT runtime·rt0_lib_go<ABIInternal>(SB),NOSPLIT,$8 MOVW _rt0_arm_lib_argc<>(SB), R0 MOVW _rt0_arm_lib_argv<>(SB), R1 B runtime·rt0_go(SB) |