| lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC | |
|
Open Source and information security mailing list archives
| ||
|
Message-Id: <20230328-nolibc-c99-v2-5-c989f2289222@weissschuh.net>
Date: Thu, 06 Apr 2023 21:54:51 +0000
From: Thomas Weißschuh <linux@...ssschuh.net>
To: Willy Tarreau <w@....eu>, Shuah Khan <shuah@...nel.org>
Cc: linux-kernel@...r.kernel.org, linux-kselftest@...r.kernel.org,
Thomas Weißschuh <linux@...ssschuh.net>
Subject: [PATCH v2 05/11] tools/nolibc: riscv: use C89 comment syntax
Most of nolibc is already using C89 comments.
Signed-off-by: Thomas Weißschuh <linux@...ssschuh.net>
---
tools/include/nolibc/arch-riscv.h | 40 +++++++++++++++++++--------------------
1 file changed, 20 insertions(+), 20 deletions(-)
diff --git a/tools/include/nolibc/arch-riscv.h b/tools/include/nolibc/arch-riscv.h
index e197fcb10ac0..0d5f15fdedc4 100644
--- a/tools/include/nolibc/arch-riscv.h
+++ b/tools/include/nolibc/arch-riscv.h
@@ -181,28 +181,28 @@ void __attribute__((weak,noreturn,optimize("omit-frame-pointer"))) _start(void)
".option norelax\n"
"lla gp, __global_pointer$\n"
".option pop\n"
- "lw a0, 0(sp)\n" // argc (a0) was in the stack
- "add a1, sp, "SZREG"\n" // argv (a1) = sp
- "slli a2, a0, "PTRLOG"\n" // envp (a2) = SZREG*argc ...
- "add a2, a2, "SZREG"\n" // + SZREG (skip null)
- "add a2,a2,a1\n" // + argv
-
- "add a3, a2, zero\n" // iterate a3 over envp to find auxv (after NULL)
- "0:\n" // do {
- "ld a4, 0(a3)\n" // a4 = *a3;
- "add a3, a3, "SZREG"\n" // a3 += sizeof(void*);
- "bne a4, zero, 0b\n" // } while (a4);
- "lui a4, %hi(_auxv)\n" // a4 = &_auxv (high bits)
- "sd a3, %lo(_auxv)(a4)\n" // store a3 into _auxv
-
- "lui a3, %hi(environ)\n" // a3 = &environ (high bits)
- "sd a2,%lo(environ)(a3)\n" // store envp(a2) into environ
- "andi sp,a1,-16\n" // sp must be 16-byte aligned
- "call main\n" // main() returns the status code, we'll exit with it.
- "li a7, 93\n" // NR_exit == 93
+ "lw a0, 0(sp)\n" /* argc (a0) was in the stack */
+ "add a1, sp, "SZREG"\n" /* argv (a1) = sp */
+ "slli a2, a0, "PTRLOG"\n" /* envp (a2) = SZREG*argc ... */
+ "add a2, a2, "SZREG"\n" /* + SZREG (skip null) */
+ "add a2,a2,a1\n" /* + argv */
+
+ "add a3, a2, zero\n" /* iterate a3 over envp to find auxv (after NULL) */
+ "0:\n" /* do { */
+ "ld a4, 0(a3)\n" /* a4 = *a3; */
+ "add a3, a3, "SZREG"\n" /* a3 += sizeof(void*); */
+ "bne a4, zero, 0b\n" /* } while (a4); */
+ "lui a4, %hi(_auxv)\n" /* a4 = &_auxv (high bits) */
+ "sd a3, %lo(_auxv)(a4)\n" /* store a3 into _auxv */
+
+ "lui a3, %hi(environ)\n" /* a3 = &environ (high bits) */
+ "sd a2,%lo(environ)(a3)\n" /* store envp(a2) into environ */
+ "andi sp,a1,-16\n" /* sp must be 16-byte aligned */
+ "call main\n" /* main() returns the status code, we'll exit with it. */
+ "li a7, 93\n" /* NR_exit == 93 */
"ecall\n"
);
__builtin_unreachable();
}
-#endif // _NOLIBC_ARCH_RISCV_H
+#endif /* _NOLIBC_ARCH_RISCV_H */
--
2.40.0
Powered by blists - more mailing lists