scc

commit 6042e799273e80d79daeaaed441a8913d7ee69a3
parent e7226564b6c9c19ebe7e9462553d22795e1c4b33
Author: Roberto E. Vargas Caballero <k0ga@shike2.com>
Date:   Sun, 19 Apr 2020 15:58:44 +0200

libc: Use common symbols for _environ

.bss + long/quad doesn't guarantee a correct definition of global not
initialize symbols.  The correct definition must be a common block.

Diffstat:
M
src/libc/arch/amd64/crt-posix.s
 | 
4
+---
M
src/libc/arch/arm32/crt-posix.s
 | 
4
+---
M
src/libc/arch/arm64/crt-posix.s
 | 
4
+---
M
src/libc/arch/i386/crt-posix.s
 | 
6
++----

4 files changed, 5 insertions(+), 13 deletions(-)
diff --git a/src/libc/arch/amd64/crt-posix.s b/src/libc/arch/amd64/crt-posix.s
@@ -1,7 +1,5 @@
-	.bss
 	.globl	_environ
-_environ:
-	.quad	0
+	.comm	_environ,8,8
 
 	.text
 	.globl	_start
diff --git a/src/libc/arch/arm32/crt-posix.s b/src/libc/arch/arm32/crt-posix.s
@@ -1,7 +1,5 @@
-	.bss
 	.globl	_environ
-_environ:
-	.word	0
+	.comm	_environ,4,4
 
 	.text
 	.globl	_start
diff --git a/src/libc/arch/arm64/crt-posix.s b/src/libc/arch/arm64/crt-posix.s
@@ -1,7 +1,5 @@
-	.bss
 	.globl	_environ
-_environ:
-	.quad	0
+	.comm	_environ,8,8
 
 	.text
 	.globl	_start
diff --git a/src/libc/arch/i386/crt-posix.s b/src/libc/arch/i386/crt-posix.s
@@ -1,10 +1,8 @@
-	.bss
 	.globl	_environ
-_environ:
-	.long	0
+	.comm	_environ,4,4
 
-	.text
 	.globl	_start
+	.text
 _start:
 	movl	%esp,%ebp