@@ -176,24 +176,24 @@ const unsigned long *_auxv __attribute__((weak));
void __attribute__((weak,noreturn,optimize("omit-frame-pointer"))) _start(void)
{
__asm__ volatile (
- "ldr x0, [sp]\n" // argc (x0) was in the stack
- "add x1, sp, 8\n" // argv (x1) = sp
- "lsl x2, x0, 3\n" // envp (x2) = 8*argc ...
- "add x2, x2, 8\n" // + 8 (skip null)
- "add x2, x2, x1\n" // + argv
- "adrp x3, environ\n" // x3 = &environ (high bits)
- "str x2, [x3, #:lo12:environ]\n" // store envp into environ
- "mov x4, x2\n" // search for auxv (follows NULL after last env)
+ "ldr x0, [sp]\n" /* argc (x0) was in the stack */
+ "add x1, sp, 8\n" /* argv (x1) = sp */
+ "lsl x2, x0, 3\n" /* envp (x2) = 8*argc ... */
+ "add x2, x2, 8\n" /* + 8 (skip null) */
+ "add x2, x2, x1\n" /* + argv */
+ "adrp x3, environ\n" /* x3 = &environ (high bits) */
+ "str x2, [x3, #:lo12:environ]\n" /* store envp into environ */
+ "mov x4, x2\n" /* search for auxv (follows NULL after last env) */
"0:\n"
- "ldr x5, [x4], 8\n" // x5 = *x4; x4 += 8
- "cbnz x5, 0b\n" // and stop at NULL after last env
- "adrp x3, _auxv\n" // x3 = &_auxv (high bits)
- "str x4, [x3, #:lo12:_auxv]\n" // store x4 into _auxv
- "and sp, x1, -16\n" // sp must be 16-byte aligned in the callee
- "bl main\n" // main() returns the status code, we'll exit with it.
- "mov x8, 93\n" // NR_exit == 93
+ "ldr x5, [x4], 8\n" /* x5 = *x4; x4 += 8 */
+ "cbnz x5, 0b\n" /* and stop at NULL after last env */
+ "adrp x3, _auxv\n" /* x3 = &_auxv (high bits) */
+ "str x4, [x3, #:lo12:_auxv]\n" /* store x4 into _auxv */
+ "and sp, x1, -16\n" /* sp must be 16-byte aligned in the callee */
+ "bl main\n" /* main() returns the status code, we'll exit with it. */
+ "mov x8, 93\n" /* NR_exit == 93 */
"svc #0\n"
);
__builtin_unreachable();
}
-#endif // _NOLIBC_ARCH_AARCH64_H
+#endif /* _NOLIBC_ARCH_AARCH64_H */
Most of nolibc is already using C89 comments. Signed-off-by: Thomas Weißschuh <linux@weissschuh.net> --- tools/include/nolibc/arch-aarch64.h | 32 ++++++++++++++++---------------- 1 file changed, 16 insertions(+), 16 deletions(-)