diff options
Diffstat (limited to 'tools/include')
| -rw-r--r-- | tools/include/nolibc/arch-i386.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/tools/include/nolibc/arch-i386.h b/tools/include/nolibc/arch-i386.h index ef2a836ee667..60b586120727 100644 --- a/tools/include/nolibc/arch-i386.h +++ b/tools/include/nolibc/arch-i386.h @@ -178,6 +178,8 @@ struct sys_stat_struct { _eax; \ }) +char **environ __attribute__((weak)); + /* startup code */ /* * i386 System V ABI mandates: @@ -191,6 +193,7 @@ void __attribute__((weak,noreturn,optimize("omit-frame-pointer"))) _start(void) "pop %eax\n" // argc (first arg, %eax) "mov %esp, %ebx\n" // argv[] (second arg, %ebx) "lea 4(%ebx,%eax,4),%ecx\n" // then a NULL then envp (third arg, %ecx) + "mov %ecx, environ\n" // save environ "xor %ebp, %ebp\n" // zero the stack frame "and $-16, %esp\n" // x86 ABI : esp must be 16-byte aligned before "sub $4, %esp\n" // the call instruction (args are aligned) |