#ifndef _BITS_SYSCALLS_H #define _BITS_SYSCALLS_H #ifndef _SYSCALL_H #error "Never use <bits/syscall.h> directly; include <sys/syscall.h> instead." #endif #ifndef __ASSEMBLER__ #define INTERNAL_SYSCALL_NCS(name, err, nr, args...) \ ({ \ register unsigned long __res __asm__ ("r10"); \ LOAD_ARGS_c_##nr(args) \ register unsigned long __callno __asm__ ("r9") \ = name; \ __asm__ __volatile__ (LOAD_ARGS_asm_##nr (args) \ CHECK_ARGS_asm_##nr \ "break 13" \ : "=r" (__res) \ : ASM_ARGS_##nr (args) \ : ASM_CLOBBER_##nr); \ __res; \ }) #define LOAD_ARGS_c_0() #define LOAD_ARGS_asm_0() #define ASM_CLOBBER_0 "memory" #define ASM_ARGS_0() "r" (__callno) #define CHECK_ARGS_asm_0 #define LOAD_ARGS_c_1(r10) \ LOAD_ARGS_c_0() \ register unsigned long __r10 __asm__ ("r10") = (unsigned long) (r10); #define LOAD_ARGS_asm_1(r10) LOAD_ARGS_asm_0 () #define ASM_CLOBBER_1 ASM_CLOBBER_0 #define ASM_ARGS_1(r10) ASM_ARGS_0 (), "0" (__r10) #define CHECK_ARGS_asm_1 \ ".ifnc %0,$r10\n\t" \ ".err\n\t" \ ".endif\n\t" #define LOAD_ARGS_c_2(r10, r11) \ LOAD_ARGS_c_1(r10) \ register unsigned long __r11 __asm__ ("r11") = (unsigned long) (r11); #define LOAD_ARGS_asm_2(r10, r11) LOAD_ARGS_asm_1 (r10) #define ASM_CLOBBER_2 ASM_CLOBBER_1 #define ASM_ARGS_2(r10, r11) ASM_ARGS_1 (r10), "r" (__r11) #define CHECK_ARGS_asm_2 \ ".ifnc %0-%3,$r10-$r11\n\t" \ ".err\n\t" \ ".endif\n\t" #define LOAD_ARGS_c_3(r10, r11, r12) \ LOAD_ARGS_c_2(r10, r11) \ register unsigned long __r12 __asm__ ("r12") = (unsigned long) (r12); #define LOAD_ARGS_asm_3(r10, r11, r12) LOAD_ARGS_asm_2 (r10, r11) #define ASM_CLOBBER_3 ASM_CLOBBER_2 #define ASM_ARGS_3(r10, r11, r12) ASM_ARGS_2 (r10, r11), "r" (__r12) #define CHECK_ARGS_asm_3 \ ".ifnc %0-%3-%4,$r10-$r11-$r12\n\t" \ ".err\n\t" \ ".endif\n\t" #define LOAD_ARGS_c_4(r10, r11, r12, r13) \ LOAD_ARGS_c_3(r10, r11, r12) \ register unsigned long __r13 __asm__ ("r13") = (unsigned long) (r13); #define LOAD_ARGS_asm_4(r10, r11, r12, r13) LOAD_ARGS_asm_3 (r10, r11, r12) #define ASM_CLOBBER_4 ASM_CLOBBER_3 #define ASM_ARGS_4(r10, r11, r12, r13) ASM_ARGS_3 (r10, r11, r12), "r" (__r13) #define CHECK_ARGS_asm_4 \ ".ifnc %0-%3-%4-%5,$r10-$r11-$r12-$r13\n\t" \ ".err\n\t" \ ".endif\n\t" #define LOAD_ARGS_c_5(r10, r11, r12, r13, mof) \ LOAD_ARGS_c_4(r10, r11, r12, r13) #define LOAD_ARGS_asm_5(r10, r11, r12, r13, mof) \ LOAD_ARGS_asm_4 (r10, r11, r12, r13) "move %6,$mof\n\t" #define ASM_CLOBBER_5 ASM_CLOBBER_4 #define ASM_ARGS_5(r10, r11, r12, r13, mof) \ ASM_ARGS_4 (r10, r11, r12, r13), "g" (mof) #define CHECK_ARGS_asm_5 CHECK_ARGS_asm_4 #define LOAD_ARGS_c_6(r10, r11, r12, r13, mof, srp) \ LOAD_ARGS_c_5(r10, r11, r12, r13, mof) #define LOAD_ARGS_asm_6(r10, r11, r12, r13, mof, srp) \ LOAD_ARGS_asm_5(r10, r11, r12, r13, mof) \ "move %7,$srp\n\t" #define ASM_CLOBBER_6 ASM_CLOBBER_5, "srp" #define ASM_ARGS_6(r10, r11, r12, r13, mof, srp) \ ASM_ARGS_5 (r10, r11, r12, r13, mof), "g" (srp) #define CHECK_ARGS_asm_6 CHECK_ARGS_asm_5 #endif /* not __ASSEMBLER__ */ #endif /* _BITS_SYSCALLS_H */