tools/nolibc: arch-loongarch.h: shrink with _NOLIBC_SYSCALL_CLOBBERLIST
authorZhangjin Wu <falcon@tinylab.org>
Fri, 7 Jul 2023 14:53:20 +0000 (22:53 +0800)
committerWilly Tarreau <w@1wt.eu>
Wed, 23 Aug 2023 02:38:02 +0000 (04:38 +0200)
my_syscall<N> share the same long clobber list, define a macro for them.

Signed-off-by: Zhangjin Wu <falcon@tinylab.org>
Signed-off-by: Willy Tarreau <w@1wt.eu>
tools/include/nolibc/arch-loongarch.h

index 8df4226..8aa7724 100644 (file)
@@ -22,6 +22,8 @@
  * On LoongArch, select() is not implemented so we have to use pselect6().
  */
 #define __ARCH_WANT_SYS_PSELECT6
+#define _NOLIBC_SYSCALL_CLOBBERLIST \
+       "memory", "$t0", "$t1", "$t2", "$t3", "$t4", "$t5", "$t6", "$t7", "$t8"
 
 #define my_syscall0(num)                                                      \
 ({                                                                            \
@@ -32,8 +34,7 @@
                "syscall 0\n"                                                 \
                : "=r"(_arg1)                                                 \
                : "r"(_num)                                                   \
-               : "memory", "$t0", "$t1", "$t2", "$t3",                       \
-                 "$t4", "$t5", "$t6", "$t7", "$t8"                           \
+               : _NOLIBC_SYSCALL_CLOBBERLIST                                 \
        );                                                                    \
        _arg1;                                                                \
 })
@@ -47,8 +48,7 @@
                "syscall 0\n"                                                 \
                : "+r"(_arg1)                                                 \
                : "r"(_num)                                                   \
-               : "memory", "$t0", "$t1", "$t2", "$t3",                       \
-                 "$t4", "$t5", "$t6", "$t7", "$t8"                           \
+               : _NOLIBC_SYSCALL_CLOBBERLIST                                 \
        );                                                                    \
        _arg1;                                                                \
 })
@@ -64,8 +64,7 @@
                : "+r"(_arg1)                                                 \
                : "r"(_arg2),                                                 \
                  "r"(_num)                                                   \
-               : "memory", "$t0", "$t1", "$t2", "$t3",                       \
-                 "$t4", "$t5", "$t6", "$t7", "$t8"                           \
+               : _NOLIBC_SYSCALL_CLOBBERLIST                                 \
        );                                                                    \
        _arg1;                                                                \
 })
@@ -82,8 +81,7 @@
                : "+r"(_arg1)                                                 \
                : "r"(_arg2), "r"(_arg3),                                     \
                  "r"(_num)                                                   \
-               : "memory", "$t0", "$t1", "$t2", "$t3",                       \
-                 "$t4", "$t5", "$t6", "$t7", "$t8"                           \
+               : _NOLIBC_SYSCALL_CLOBBERLIST                                 \
        );                                                                    \
        _arg1;                                                                \
 })
                : "+r"(_arg1)                                                 \
                : "r"(_arg2), "r"(_arg3), "r"(_arg4),                         \
                  "r"(_num)                                                   \
-               : "memory", "$t0", "$t1", "$t2", "$t3",                       \
-                 "$t4", "$t5", "$t6", "$t7", "$t8"                           \
+               : _NOLIBC_SYSCALL_CLOBBERLIST                                 \
        );                                                                    \
        _arg1;                                                                \
 })
                : "+r"(_arg1)                                                 \
                : "r"(_arg2), "r"(_arg3), "r"(_arg4), "r"(_arg5),             \
                  "r"(_num)                                                   \
-               : "memory", "$t0", "$t1", "$t2", "$t3",                       \
-                 "$t4", "$t5", "$t6", "$t7", "$t8"                           \
+               : _NOLIBC_SYSCALL_CLOBBERLIST                                 \
        );                                                                    \
        _arg1;                                                                \
 })
                : "+r"(_arg1)                                                 \
                : "r"(_arg2), "r"(_arg3), "r"(_arg4), "r"(_arg5), "r"(_arg6), \
                  "r"(_num)                                                   \
-               : "memory", "$t0", "$t1", "$t2", "$t3",                       \
-                 "$t4", "$t5", "$t6", "$t7", "$t8"                           \
+               : _NOLIBC_SYSCALL_CLOBBERLIST                                 \
        );                                                                    \
        _arg1;                                                                \
 })