diff options
Diffstat (limited to 'tools/include')
| -rw-r--r-- | tools/include/nolibc/arch-mips.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/tools/include/nolibc/arch-mips.h b/tools/include/nolibc/arch-mips.h index a3764f6d267e..7d22f7bc38b3 100644 --- a/tools/include/nolibc/arch-mips.h +++ b/tools/include/nolibc/arch-mips.h @@ -176,6 +176,8 @@ struct sys_stat_struct { _arg4 ? -_num : _num; \ }) +char **environ __attribute__((weak)); + /* startup code, note that it's called __start on MIPS */ void __attribute__((weak,noreturn,optimize("omit-frame-pointer"))) __start(void) { @@ -191,6 +193,9 @@ void __attribute__((weak,noreturn,optimize("omit-frame-pointer"))) __start(void) "sll $a2, $a0, 2\n" // a2 = argc * 4 "add $a2, $a2, $a1\n" // envp = argv + 4*argc ... "addiu $a2, $a2, 4\n" // ... + 4 + "lui $a3, %hi(environ)\n" // load environ into a3 (hi) + "addiu $a3, %lo(environ)\n" // load environ into a3 (lo) + "sw $a2,($a3)\n" // store envp(a2) into environ "li $t0, -8\n" "and $sp, $sp, $t0\n" // sp must be 8-byte aligned "addiu $sp,$sp,-16\n" // the callee expects to save a0..a3 there! |