scc

simple c99 compiler
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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:
Msrc/libc/arch/amd64/crt-posix.s | 4+---
Msrc/libc/arch/arm32/crt-posix.s | 4+---
Msrc/libc/arch/arm64/crt-posix.s | 4+---
Msrc/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