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Temporary hack to make x64 system calls use the right registers.

This commit is contained in:
Jonas 'Sortie' Termansen 2011-12-01 14:54:47 +01:00
parent 6562da4092
commit ae1c157445
1 changed files with 23 additions and 12 deletions
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35
libmaxsi/hsrc/syscall.h
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@ -29,8 +29,16 @@ namespace Maxsi
{ {
#ifdef SORTIX_KERNEL #ifdef SORTIX_KERNEL
#warning === #warning ===
#warning ===
#warning ===
#warning ===
#warning ===
#warning Sortix does not support syscalls from within the kernel, building this part of LibMaxsi should not be needed, and should not be used in kernel mode #warning Sortix does not support syscalls from within the kernel, building this part of LibMaxsi should not be needed, and should not be used in kernel mode
#warning === #warning ===
#warning ===
#warning ===
#warning ===
#warning ===
#endif #endif
#define DECL_SYSCALL0(type,fn) type fn(); #define DECL_SYSCALL0(type,fn) type fn();
@ -134,8 +142,11 @@ namespace Maxsi
#else #else
// TODO: Make these inline - though that requires a move advanced inline
// assembly stub to force parameters into the right registers.
#define DEFN_SYSCALL0(type, fn, num) \ #define DEFN_SYSCALL0(type, fn, num) \
inline type fn() \ type fn() \
{ \ { \
type a; \ type a; \
asm volatile("int $0x80" : "=a" (a) : "0" (num)); \ asm volatile("int $0x80" : "=a" (a) : "0" (num)); \
@ -143,7 +154,7 @@ namespace Maxsi
} }
#define DEFN_SYSCALL1(type, fn, num, P1) \ #define DEFN_SYSCALL1(type, fn, num, P1) \
inline type fn(P1 p1) \ type fn(P1 p1) \
{ \ { \
type a; \ type a; \
asm volatile("int $0x80" : "=a" (a) : "0" (num)); \ asm volatile("int $0x80" : "=a" (a) : "0" (num)); \
@ -151,7 +162,7 @@ namespace Maxsi
} }
#define DEFN_SYSCALL2(type, fn, num, P1, P2) \ #define DEFN_SYSCALL2(type, fn, num, P1, P2) \
inline type fn(P1 p1, P2 p2) \ type fn(P1 p1, P2 p2) \
{ \ { \
type a; \ type a; \
asm volatile("int $0x80" : "=a" (a) : "0" (num)); \ asm volatile("int $0x80" : "=a" (a) : "0" (num)); \
@ -159,7 +170,7 @@ namespace Maxsi
} }
#define DEFN_SYSCALL3(type, fn, num, P1, P2, P3) \ #define DEFN_SYSCALL3(type, fn, num, P1, P2, P3) \
inline type fn(P1 p1, P2 p2, P3 p3) \ type fn(P1 p1, P2 p2, P3 p3) \
{ \ { \
type a; \ type a; \
asm volatile("int $0x80" : "=a" (a) : "0" (num)); \ asm volatile("int $0x80" : "=a" (a) : "0" (num)); \
@ -167,7 +178,7 @@ namespace Maxsi
} }
#define DEFN_SYSCALL4(type, fn, num, P1, P2, P3, P4) \ #define DEFN_SYSCALL4(type, fn, num, P1, P2, P3, P4) \
inline type fn(P1 p1, P2 p2, P3 p3, P4 p4) \ type fn(P1 p1, P2 p2, P3 p3, P4 p4) \
{ \ { \
type a; \ type a; \
asm volatile("int $0x80" : "=a" (a) : "0" (num)); \ asm volatile("int $0x80" : "=a" (a) : "0" (num)); \
@ -175,7 +186,7 @@ namespace Maxsi
} }
#define DEFN_SYSCALL5(type, fn, num, P1, P2, P3, P4, P5) \ #define DEFN_SYSCALL5(type, fn, num, P1, P2, P3, P4, P5) \
inline type fn(P1 p1, P2 p2, P3 p3, P4 p4, P5 p5) \ type fn(P1 p1, P2 p2, P3 p3, P4 p4, P5 p5) \
{ \ { \
type a; \ type a; \
asm volatile("int $0x80" : "=a" (a) : "0" (num)); \ asm volatile("int $0x80" : "=a" (a) : "0" (num)); \
@ -183,42 +194,42 @@ namespace Maxsi
} }
#define DEFN_SYSCALL0_VOID(fn, num) \ #define DEFN_SYSCALL0_VOID(fn, num) \
inline void fn() \ void fn() \
{ \ { \
size_t a; \ size_t a; \
asm volatile("int $0x80" : "=a" (a) : "0" (num)); \ asm volatile("int $0x80" : "=a" (a) : "0" (num)); \
} }
#define DEFN_SYSCALL1_VOID(fn, num, P1) \ #define DEFN_SYSCALL1_VOID(fn, num, P1) \
inline void fn(P1 p1) \ void fn(P1 p1) \
{ \ { \
size_t a; \ size_t a; \
asm volatile("int $0x80" : "=a" (a) : "0" (num)); \ asm volatile("int $0x80" : "=a" (a) : "0" (num)); \
} }
#define DEFN_SYSCALL2_VOID(fn, num, P1, P2) \ #define DEFN_SYSCALL2_VOID(fn, num, P1, P2) \
inline void fn(P1 p1, P2 p2) \ void fn(P1 p1, P2 p2) \
{ \ { \
size_t a; \ size_t a; \
asm volatile("int $0x80" : "=a" (a) : "0" (num)); \ asm volatile("int $0x80" : "=a" (a) : "0" (num)); \
} }
#define DEFN_SYSCALL3_VOID(fn, num, P1, P2, P3) \ #define DEFN_SYSCALL3_VOID(fn, num, P1, P2, P3) \
inline void fn(P1 p1, P2 p2, P3 p3) \ void fn(P1 p1, P2 p2, P3 p3) \
{ \ { \
size_t a; \ size_t a; \
asm volatile("int $0x80" : "=a" (a) : "0" (num)); \ asm volatile("int $0x80" : "=a" (a) : "0" (num)); \
} }
#define DEFN_SYSCALL4_VOID(fn, num, P1, P2, P3, P4) \ #define DEFN_SYSCALL4_VOID(fn, num, P1, P2, P3, P4) \
inline void fn(P1 p1, P2 p2, P3 p3, P4 p4) \ void fn(P1 p1, P2 p2, P3 p3, P4 p4) \
{ \ { \
size_t a; \ size_t a; \
asm volatile("int $0x80" : "=a" (a) : "0" (num)); \ asm volatile("int $0x80" : "=a" (a) : "0" (num)); \
} }
#define DEFN_SYSCALL5_VOID(fn, num, P1, P2, P3, P4, P5) \ #define DEFN_SYSCALL5_VOID(fn, num, P1, P2, P3, P4, P5) \
inline void fn(P1 p1, P2 p2, P3 p3, P4 p4, P5 p5) \ void fn(P1 p1, P2 p2, P3 p3, P4 p4, P5 p5) \
{ \ { \
size_t a; \ size_t a; \
asm volatile("int $0x80" : "=a" (a) : "0" (num)); \ asm volatile("int $0x80" : "=a" (a) : "0" (num)); \