mirrors/linux-stable
1
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git synced 2024-10-02 15:18:19 +00:00
Code Issues Releases Wiki Activity

tools/nolibc: arch-loongarch.h: shrink with _NOLIBC_SYSCALL_CLOBBERLIST

Browse source 
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>
This commit is contained in:
Zhangjin Wu 2023-07-07 22:53:20 +08:00 committed by Willy Tarreau
parent f09f1912e4
commit 2dca615ade
1 changed files with 9 additions and 14 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

23
tools/include/nolibc/arch-loongarch.h
View 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", "$t8" \
: _NOLIBC_SYSCALL_CLOBBERLIST \
); \
_arg1; \
})
@ -101,8 +99,7 @@
: "+r"(_arg1) \
: "r"(_arg2), "r"(_arg3), "r"(_arg4), \
"r"(_num) \
: "memory", "$t0", "$t1", "$t2", "$t3", \
"$t4", "$t5", "$t6", "$t7", "$t8" \
: _NOLIBC_SYSCALL_CLOBBERLIST \
); \
_arg1; \
})
@ -121,8 +118,7 @@
: "+r"(_arg1) \
: "r"(_arg2), "r"(_arg3), "r"(_arg4), "r"(_arg5), \
"r"(_num) \
: "memory", "$t0", "$t1", "$t2", "$t3", \
"$t4", "$t5", "$t6", "$t7", "$t8" \
: _NOLIBC_SYSCALL_CLOBBERLIST \
); \
_arg1; \
})
@ -142,8 +138,7 @@
: "+r"(_arg1) \
: "r"(_arg2), "r"(_arg3), "r"(_arg4), "r"(_arg5), "r"(_arg6), \
"r"(_num) \
: "memory", "$t0", "$t1", "$t2", "$t3", \
"$t4", "$t5", "$t6", "$t7", "$t8" \
: _NOLIBC_SYSCALL_CLOBBERLIST \
); \
_arg1; \
})