#include <features.h> #define ALIGN 2 /* Note: .abicalls goes at top of routine, and only one of them. */ #if defined(USER_ABICALLS) #define ABISETUP \ .set noreorder; \ .cpload t9; \ .set reorder; .abicalls #else #define ABISETUP #endif #ifndef __UCLIBC_USE_UNIFIED_SYSCALL__ #define SYSCALL__(name) \ .text; \ .align ALIGN; \ .globl name; \ .ent name, 0; \ name: ; \ ABISETUP \ li v0, __NR_##name ; \ syscall; \ la t3, errno; \ beqz a3, 1f; \ negu a1, v0; \ sw a1, 0(t3); \ li v0, -1; \ 1: ; \ j ra; \ .end name; \ .size name,.-name; #else /* Unified syscall */ #define SYSCALL__(name) \ .text; \ /* .align ALIGN;*/ \ .globl name; \ .ent name, 0; \ name: ; \ ABISETUP \ .set push; \ .set noreorder; \ j __uClibc_syscall; \ addiu v0, zero, __NR_##name ; \ .set pop; \ .end name; \ .size name,.-name; #endif /* __UCLIBC_USE_UNIFIED_SYSCALL__ */ #undef ALIGN #define __ASSEMBLY__ #include <asm/asm.h> #include <asm/unistd.h> #include <asm/mipsregs.h> #include <asm/regdef.h> /* #include <asm/stackframe.h> */ #undef ALIGN #define ALIGN 2 #define _SYSCALL0(type,name) SYSCALL__(name) _SYSCALL0(pid_t, fork);