@@ -194,27 +194,27 @@ void __attribute__((weak,noreturn,optimize("omit-frame-pointer"))) _start(void)
{
__asm__ volatile (
#ifdef NOLIBC_STACKPROTECTOR
- "call __stack_chk_init\n" // initialize stack protector
+ "call __stack_chk_init\n" /* initialize stack protector */
#endif
- "pop %rdi\n" // argc (first arg, %rdi)
- "mov %rsp, %rsi\n" // argv[] (second arg, %rsi)
- "lea 8(%rsi,%rdi,8),%rdx\n" // then a NULL then envp (third arg, %rdx)
- "mov %rdx, environ\n" // save environ
- "xor %ebp, %ebp\n" // zero the stack frame
- "mov %rdx, %rax\n" // search for auxv (follows NULL after last env)
+ "pop %rdi\n" /* argc (first arg, %rdi) */
+ "mov %rsp, %rsi\n" /* argv[] (second arg, %rsi) */
+ "lea 8(%rsi,%rdi,8),%rdx\n" /* then a NULL then envp (third arg, %rdx) */
+ "mov %rdx, environ\n" /* save environ */
+ "xor %ebp, %ebp\n" /* zero the stack frame */
+ "mov %rdx, %rax\n" /* search for auxv (follows NULL after last env) */
"0:\n"
- "add $8, %rax\n" // search for auxv using rax, it follows the
- "cmp -8(%rax), %rbp\n" // ... NULL after last env (rbp is zero here)
+ "add $8, %rax\n" /* search for auxv using rax, it follows the */
+ "cmp -8(%rax), %rbp\n" /* ... NULL after last env (rbp is zero here) */
"jnz 0b\n"
- "mov %rax, _auxv\n" // save it into _auxv
- "and $-16, %rsp\n" // x86 ABI : esp must be 16-byte aligned before call
- "call main\n" // main() returns the status code, we'll exit with it.
- "mov %eax, %edi\n" // retrieve exit code (32 bit)
- "mov $60, %eax\n" // NR_exit == 60
- "syscall\n" // really exit
- "hlt\n" // ensure it does not return
+ "mov %rax, _auxv\n" /* save it into _auxv */
+ "and $-16, %rsp\n" /* x86 ABI : esp must be 16-byte aligned before call */
+ "call main\n" /* main() returns the status code, we'll exit with it. */
+ "mov %eax, %edi\n" /* retrieve exit code (32 bit) */
+ "mov $60, %eax\n" /* NR_exit == 60 */
+ "syscall\n" /* really exit */
+ "hlt\n" /* ensure it does not return */
);
__builtin_unreachable();
}
-#endif // _NOLIBC_ARCH_X86_64_H
+#endif /* _NOLIBC_ARCH_X86_64_H */
Most of nolibc is already using C89 comments. Signed-off-by: Thomas Weißschuh <linux@weissschuh.net> --- tools/include/nolibc/arch-x86_64.h | 34 +++++++++++++++++----------------- 1 file changed, 17 insertions(+), 17 deletions(-)