runtime/cgo: consolidate linux cgo code

Much of the gcc_linux_*.c code is identical and duplicated across architectures. Consolidate code for 386, arm, loong64, mips* and riscv64, where the only difference is the build tags (386 also has some non-functional ordering differences). Change-Id: I14ee9a4cc6b72e165239d196b68b6343efaddf0a Reviewed-on: https://go-review.googlesource.com/c/go/+/518620 Run-TryBot: Joel Sing <[email protected]> Reviewed-by: Ian Lance Taylor <[email protected]> TryBot-Result: Gopher Robot <[email protected]> Reviewed-by: Dmitri Shuralyov <[email protected]>
cloudflare · Aug 15, 2023 · 23e4a4b · 23e4a4b
1 parent 60506f4
commit 23e4a4b
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Showing 6 changed files with 4 additions and 322 deletions.
diff --git a/src/runtime/cgo/gcc_linux_386.c → src/runtime/cgo/gcc_linux.c b/src/runtime/cgo/gcc_linux_386.c → src/runtime/cgo/gcc_linux.c
@@ -2,22 +2,24 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
+//go:build linux && (386 || arm || loong64 || mips || mipsle || mips64 || mips64le || riscv64)
+
 #include <pthread.h>
 #include <string.h>
 #include <signal.h>
 #include "libcgo.h"
 #include "libcgo_unix.h"
 
 static void *threadentry(void*);
-static void (*setg_gcc)(void*);
 
-// This will be set in gcc_android.c for android-specific customization.
 void (*x_cgo_inittls)(void **tlsg, void **tlsbase) __attribute__((common));
+static void (*setg_gcc)(void*);
 
 void
 x_cgo_init(G *g, void (*setg)(void*), void **tlsg, void **tlsbase)
 {
  setg_gcc = setg;
+
  _cgo_set_stacklo(g, NULL);
 
  if (x_cgo_inittls) {

diff --git a/src/runtime/cgo/gcc_linux_arm.c b/src/runtime/cgo/gcc_linux_arm.c
diff --git a/src/runtime/cgo/gcc_linux_loong64.c b/src/runtime/cgo/gcc_linux_loong64.c
diff --git a/src/runtime/cgo/gcc_linux_mips64x.c b/src/runtime/cgo/gcc_linux_mips64x.c
diff --git a/src/runtime/cgo/gcc_linux_mipsx.c b/src/runtime/cgo/gcc_linux_mipsx.c
diff --git a/src/runtime/cgo/gcc_linux_riscv64.c b/src/runtime/cgo/gcc_linux_riscv64.c