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[TOOLCHAIN] Making musl portable

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This commit is contained in:
Thomas Lovén
2017-02-09 19:47:07 +01:00
parent a7d2b24a79
commit 8d1e693884
10 changed files with 207 additions and 6 deletions
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36
libc/syscalls.h Normal file
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@@ -0,0 +1,36 @@
#pragma once
#include "syscall_num.h"
#define SYSCALL_DEF(name) \
long __syscall_##name(long num, long _a1, long _a2, long _a3, long _a4, long _a5, long _a6)
#define _SYSCALL_INIT6(t1,n1,t2,n2,t3,n3,t4,n4,t5,n5,t6,n6) \
(void)num; \
t1 n1 = (t1)_a1; \
(void)n1; \
t2 n2 = (t2)_a2; \
(void)n2; \
t3 n3 = (t3)_a3; \
(void)n3; \
t4 n4 = (t4)_a4; \
(void)n4; \
t5 n5 = (t5)_a5; \
(void)n5; \
t6 n6 = (t6)_a6; \
(void)n6;
#define _SYSCALL_INIT5(t1,n1,t2,n2,t3,n3,t4,n4,t5,n5) _SYSCALL_INIT6(t1,n1,t2,n2,t3,n3,t4,n4,t5,n5,long,__a6)
#define _SYSCALL_INIT4(t1,n1,t2,n2,t3,n3,t4,n4) _SYSCALL_INIT6(t1,n1,t2,n2,t3,n3,t4,n4,long,__a5,long,__a6)
#define _SYSCALL_INIT3(t1,n1,t2,n2,t3,n3) _SYSCALL_INIT6(t1,n1,t2,n2,t3,n3,long,__a4,long,__a5,long,__a6)
#define _SYSCALL_INIT2(t1,n1,t2,n2) _SYSCALL_INIT6(t1,n1,t2,n2,long,__a3,long,__a4,long,__a5,long,__a6)
#define _SYSCALL_INIT1(t1,n1) _SYSCALL_INIT6(t1,n1,long,__a2,long,__a3,long,__a4,long,__a5,long,__a6)
#define _SYSCALL_INIT0() _SYSCALL_INIT6(long,__a1,long,__a2,long,__a3,long,__a4,long,__a5,long,__a6)
#define __SYSCALL_NARGS(a0,b0,a1,b1,a2,b2,a3,b3,a4,b4,a5,b5,a6,n,...) n
#define _SYSCALL_NARGS(...) __SYSCALL_NARGS(__VA_ARGS__,6,6,5,5,4,4,3,3,2,2,1,1,0,0)
#define __SYSCALL_CONCAT(a,b) a##b
#define _SYSCALL_CONCAT(a,b) __SYSCALL_CONCAT(a,b)
#define _SYSCALL_INIT(a,...) _SYSCALL_CONCAT(a, _SYSCALL_NARGS(__VA_ARGS__))(__VA_ARGS__)
#define SYSCALL_INIT(...) _SYSCALL_INIT(_SYSCALL_INIT,__VA_ARGS__)
long kernel_syscall(int num, ...);
void kernel_debug(char *fmt, ...);