Revision 83fcb515 linux-user/syscall.c
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#define VFAT_IOCTL_READDIR_SHORT _IOR('r', 2, struct dirent [2]) |
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#if defined(__powerpc__) |
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#undef __syscall_nr |
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#undef __sc_loadargs_0 |
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#undef __sc_loadargs_1 |
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#undef __sc_loadargs_2 |
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#undef __sc_loadargs_3 |
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#undef __sc_loadargs_4 |
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#undef __sc_loadargs_5 |
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#undef __sc_asm_input_0 |
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#undef __sc_asm_input_1 |
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#undef __sc_asm_input_2 |
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#undef __sc_asm_input_3 |
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#undef __sc_asm_input_4 |
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#undef __sc_asm_input_5 |
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#undef _syscall0 |
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#undef _syscall1 |
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#undef _syscall2 |
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#undef _syscall3 |
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#undef _syscall4 |
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#undef _syscall5 |
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#undef _syscall6 |
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/* need to redefine syscalls as Linux kernel defines are incorrect for |
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the clobber list */ |
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/* On powerpc a system call basically clobbers the same registers like a |
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* function call, with the exception of LR (which is needed for the |
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* "sc; bnslr" sequence) and CR (where only CR0.SO is clobbered to signal |
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* an error return status). |
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*/ |
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#define _syscall0(type,name) \ |
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type name (void) \ |
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{ \ |
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return syscall(__NR_##name); \ |
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} |
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#define __syscall_nr(nr, type, name, args...) \ |
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unsigned long __sc_ret, __sc_err; \ |
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{ \ |
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register unsigned long __sc_0 __asm__ ("r0"); \ |
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register unsigned long __sc_3 __asm__ ("r3"); \ |
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register unsigned long __sc_4 __asm__ ("r4"); \ |
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register unsigned long __sc_5 __asm__ ("r5"); \ |
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register unsigned long __sc_6 __asm__ ("r6"); \ |
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register unsigned long __sc_7 __asm__ ("r7"); \ |
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\ |
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__sc_loadargs_##nr(name, args); \ |
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__asm__ __volatile__ \ |
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("sc \n\t" \ |
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"mfcr %0 " \ |
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: "=&r" (__sc_0), \ |
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"=&r" (__sc_3), "=&r" (__sc_4), \ |
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"=&r" (__sc_5), "=&r" (__sc_6), \ |
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"=&r" (__sc_7) \ |
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: __sc_asm_input_##nr \ |
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: "cr0", "ctr", "memory", \ |
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"r8", "r9", "r10","r11", "r12"); \ |
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__sc_ret = __sc_3; \ |
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__sc_err = __sc_0; \ |
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} \ |
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if (__sc_err & 0x10000000) \ |
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{ \ |
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errno = __sc_ret; \ |
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__sc_ret = -1; \ |
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} \ |
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return (type) __sc_ret |
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#define __sc_loadargs_0(name, dummy...) \ |
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__sc_0 = __NR_##name |
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#define __sc_loadargs_1(name, arg1) \ |
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__sc_loadargs_0(name); \ |
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__sc_3 = (unsigned long) (arg1) |
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#define __sc_loadargs_2(name, arg1, arg2) \ |
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__sc_loadargs_1(name, arg1); \ |
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__sc_4 = (unsigned long) (arg2) |
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#define __sc_loadargs_3(name, arg1, arg2, arg3) \ |
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__sc_loadargs_2(name, arg1, arg2); \ |
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__sc_5 = (unsigned long) (arg3) |
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#define __sc_loadargs_4(name, arg1, arg2, arg3, arg4) \ |
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__sc_loadargs_3(name, arg1, arg2, arg3); \ |
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__sc_6 = (unsigned long) (arg4) |
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#define __sc_loadargs_5(name, arg1, arg2, arg3, arg4, arg5) \ |
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__sc_loadargs_4(name, arg1, arg2, arg3, arg4); \ |
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__sc_7 = (unsigned long) (arg5) |
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#define __sc_asm_input_0 "0" (__sc_0) |
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#define __sc_asm_input_1 __sc_asm_input_0, "1" (__sc_3) |
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#define __sc_asm_input_2 __sc_asm_input_1, "2" (__sc_4) |
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#define __sc_asm_input_3 __sc_asm_input_2, "3" (__sc_5) |
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#define __sc_asm_input_4 __sc_asm_input_3, "4" (__sc_6) |
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#define __sc_asm_input_5 __sc_asm_input_4, "5" (__sc_7) |
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#define _syscall0(type,name) \ |
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type name(void) \ |
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{ \ |
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__syscall_nr(0, type, name); \ |
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#define _syscall1(type,name,type1,arg1) \ |
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type name (type1 arg1) \ |
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{ \ |
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return syscall(__NR_##name, arg1); \ |
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} |
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#define _syscall1(type,name,type1,arg1) \
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type name(type1 arg1) \
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{ \
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__syscall_nr(1, type, name, arg1); \
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#define _syscall2(type,name,type1,arg1,type2,arg2) \
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type name (type1 arg1,type2 arg2) \
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{ \ |
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return syscall(__NR_##name, arg1, arg2); \
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} |
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#define _syscall2(type,name,type1,arg1,type2,arg2) \
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type name(type1 arg1, type2 arg2) \
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{ \
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__syscall_nr(2, type, name, arg1, arg2); \
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#define _syscall3(type,name,type1,arg1,type2,arg2,type3,arg3) \
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type name (type1 arg1,type2 arg2,type3 arg3) \
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{ \ |
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return syscall(__NR_##name, arg1, arg2, arg3); \
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} |
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#define _syscall3(type,name,type1,arg1,type2,arg2,type3,arg3) \
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type name(type1 arg1, type2 arg2, type3 arg3) \
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{ \ |
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__syscall_nr(3, type, name, arg1, arg2, arg3); \
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#define _syscall4(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4) \
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type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4) \
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{ \
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return syscall(__NR_##name, arg1, arg2, arg3, arg4); \
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} |
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#define _syscall4(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4) \ |
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type name(type1 arg1, type2 arg2, type3 arg3, type4 arg4) \ |
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{ \ |
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__syscall_nr(4, type, name, arg1, arg2, arg3, arg4); \ |
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#define _syscall5(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \ |
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type5,arg5) \ |
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type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5) \ |
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{ \ |
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return syscall(__NR_##name, arg1, arg2, arg3, arg4, arg5); \ |
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} |
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#define _syscall5(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4,type5,arg5) \ |
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type name(type1 arg1, type2 arg2, type3 arg3, type4 arg4, type5 arg5) \ |
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{ \ |
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__syscall_nr(5, type, name, arg1, arg2, arg3, arg4, arg5); \ |
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#define _syscall6(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \ |
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type5,arg5,type6,arg6) \ |
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type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5,type6 arg6) \ |
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{ \ |
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return syscall(__NR_##name, arg1, arg2, arg3, arg4, arg5, arg6); \ |
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} |
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#endif |
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#define __NR_sys_uname __NR_uname |
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#define __NR_sys_getcwd1 __NR_getcwd |
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