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tools/nolibc: arm: use clang-compatible asm syntax

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The clang assembler rejects the current syntax.
Switch to a syntax accepted by both GCC and clang.

Acked-by: Willy Tarreau <w@1wt.eu>
Link: https://lore.kernel.org/r/20240807-nolibc-llvm-v2-1-c20f2f5fc7c2@weissschuh.net
Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
This commit is contained in:
Thomas Weißschuh 2024-08-07 23:51:37 +02:00
parent 754283ce83
commit 55850eb4e5
1 changed files with 2 additions and 2 deletions
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4
tools/include/nolibc/arch-arm.h
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@ -188,8 +188,8 @@
void __attribute__((weak, noreturn, optimize("Os", "omit-frame-pointer"))) __no_stack_protector _start(void)
{
__asm__ volatile (
"mov %r0, sp\n" /* save stack pointer to %r0, as arg1 of _start_c */
"and ip, %r0, #-8\n" /* sp must be 8-byte aligned in the callee */
"mov r0, sp\n" /* save stack pointer to %r0, as arg1 of _start_c */
"and ip, r0, #-8\n" /* sp must be 8-byte aligned in the callee */
"mov sp, ip\n"
"bl _start_c\n" /* transfer to c runtime */
);