runtime/cgo: remove APPLE macros on 386, arm, and ppc64 assembly files
We don't support Apple platform on 386, ARM, or PPC64. Remove
dead code.
Change-Id: I5722bf58c0fb73c5db4ba016cb424e392739c7de
Reviewed-on: https://go-review.googlesource.com/c/go/+/455162
Run-TryBot: Cherry Mui <cherryyz@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Ian Lance Taylor <iant@google.com>
diff --git a/src/runtime/cgo/gcc_386.S b/src/runtime/cgo/gcc_386.S
index 5e6d715..5bd677f 100644
--- a/src/runtime/cgo/gcc_386.S
+++ b/src/runtime/cgo/gcc_386.S
@@ -5,9 +5,9 @@
.file "gcc_386.S"
/*
- * Apple still insists on underscore prefixes for C function names.
+ * Windows still insists on underscore prefixes for C function names.
*/
-#if defined(__APPLE__) || defined(_WIN32)
+#if defined(_WIN32)
#define EXT(s) _##s
#else
#define EXT(s) s
diff --git a/src/runtime/cgo/gcc_arm.S b/src/runtime/cgo/gcc_arm.S
index 6e8c14a..474fc23 100644
--- a/src/runtime/cgo/gcc_arm.S
+++ b/src/runtime/cgo/gcc_arm.S
@@ -5,27 +5,14 @@
.file "gcc_arm.S"
/*
- * Apple still insists on underscore prefixes for C function names.
- */
-#if defined(__APPLE__)
-#define EXT(s) _##s
-#else
-#define EXT(s) s
-#endif
-
-// Apple's ld64 wants 4-byte alignment for ARM code sections.
-// .align in both Apple as and GNU as treat n as aligning to 2**n bytes.
-.align 2
-
-/*
* void crosscall_arm1(void (*fn)(void), void (*setg_gcc)(void *g), void *g)
*
* Calling into the 5c tool chain, where all registers are caller save.
* Called from standard ARM EABI, where r4-r11 are callee-save, so they
* must be saved explicitly.
*/
-.globl EXT(crosscall_arm1)
-EXT(crosscall_arm1):
+.globl crosscall_arm1
+crosscall_arm1:
push {r4, r5, r6, r7, r8, r9, r10, r11, ip, lr}
mov r4, r0
mov r5, r1
diff --git a/src/runtime/cgo/gcc_linux_ppc64x.S b/src/runtime/cgo/gcc_linux_ppc64x.S
index 5c8b3e7..e67deaa 100644
--- a/src/runtime/cgo/gcc_linux_ppc64x.S
+++ b/src/runtime/cgo/gcc_linux_ppc64x.S
@@ -7,23 +7,14 @@
.file "gcc_linux_ppc64x.S"
/*
- * Apple still insists on underscore prefixes for C function names.
- */
-#if defined(__APPLE__)
-#define EXT(s) _##s
-#else
-#define EXT(s) s
-#endif
-
-/*
* void crosscall_ppc64(void (*fn)(void), void *g)
*
* Calling into the gc tool chain, where all registers are caller save.
* Called from standard ppc64 C ABI, where r2, r14-r31, f14-f31 are
* callee-save, so they must be saved explicitly.
*/
-.globl EXT(crosscall_ppc64)
-EXT(crosscall_ppc64):
+.globl crosscall_ppc64
+crosscall_ppc64:
// Start with standard C stack frame layout and linkage
mflr %r0
std %r0, 16(%r1) // Save LR in caller's frame
