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x86, um: get rid of sysdep symlink

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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
This commit is contained in:
Al Viro
2008-08-18 21:44:32 -04:00
committed by H. Peter Anvin
parent 17dcf75d3e
commit f5ad6a42b7
41 changed files with 2 additions and 10 deletions
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103
arch/um/sys-ppc/sysdep/ptrace.h Normal file
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/*
* Licensed under the GPL
*/
#ifndef __SYS_PTRACE_PPC_H
#define __SYS_PTRACE_PPC_H
#include "linux/types.h"
/* the following taken from <asm-ppc/ptrace.h> */
#ifdef CONFIG_PPC64
#define PPC_REG unsigned long /*long*/
#else
#define PPC_REG unsigned long
#endif
struct sys_pt_regs_s {
PPC_REG gpr[32];
PPC_REG nip;
PPC_REG msr;
PPC_REG orig_gpr3; /* Used for restarting system calls */
PPC_REG ctr;
PPC_REG link;
PPC_REG xer;
PPC_REG ccr;
PPC_REG mq; /* 601 only (not used at present) */
/* Used on APUS to hold IPL value. */
PPC_REG trap; /* Reason for being here */
PPC_REG dar; /* Fault registers */
PPC_REG dsisr;
PPC_REG result; /* Result of a system call */
};
#define NUM_REGS (sizeof(struct sys_pt_regs_s) / sizeof(PPC_REG))
struct sys_pt_regs {
PPC_REG regs[sizeof(struct sys_pt_regs_s) / sizeof(PPC_REG)];
};
#define UM_MAX_REG (PT_FPR0)
#define UM_MAX_REG_OFFSET (UM_MAX_REG * sizeof(PPC_REG))
#define EMPTY_REGS { { [ 0 ... NUM_REGS - 1] = 0 } }
#define UM_REG(r, n) ((r)->regs[n])
#define UM_SYSCALL_RET(r) UM_REG(r, PT_R3)
#define UM_SP(r) UM_REG(r, PT_R1)
#define UM_IP(r) UM_REG(r, PT_NIP)
#define UM_ELF_ZERO(r) UM_REG(r, PT_FPSCR)
#define UM_SYSCALL_NR(r) UM_REG(r, PT_R0)
#define UM_SYSCALL_ARG1(r) UM_REG(r, PT_ORIG_R3)
#define UM_SYSCALL_ARG2(r) UM_REG(r, PT_R4)
#define UM_SYSCALL_ARG3(r) UM_REG(r, PT_R5)
#define UM_SYSCALL_ARG4(r) UM_REG(r, PT_R6)
#define UM_SYSCALL_ARG5(r) UM_REG(r, PT_R7)
#define UM_SYSCALL_ARG6(r) UM_REG(r, PT_R8)
#define UM_SYSCALL_NR_OFFSET (PT_R0 * sizeof(PPC_REG))
#define UM_SYSCALL_RET_OFFSET (PT_R3 * sizeof(PPC_REG))
#define UM_SYSCALL_ARG1_OFFSET (PT_R3 * sizeof(PPC_REG))
#define UM_SYSCALL_ARG2_OFFSET (PT_R4 * sizeof(PPC_REG))
#define UM_SYSCALL_ARG3_OFFSET (PT_R5 * sizeof(PPC_REG))
#define UM_SYSCALL_ARG4_OFFSET (PT_R6 * sizeof(PPC_REG))
#define UM_SYSCALL_ARG5_OFFSET (PT_R7 * sizeof(PPC_REG))
#define UM_SYSCALL_ARG6_OFFSET (PT_R8 * sizeof(PPC_REG))
#define UM_SP_OFFSET (PT_R1 * sizeof(PPC_REG))
#define UM_IP_OFFSET (PT_NIP * sizeof(PPC_REG))
#define UM_ELF_ZERO_OFFSET (PT_R3 * sizeof(PPC_REG))
#define UM_SET_SYSCALL_RETURN(_regs, result) \
do { \
if (result < 0) { \
(_regs)->regs[PT_CCR] |= 0x10000000; \
UM_SYSCALL_RET((_regs)) = -result; \
} else { \
UM_SYSCALL_RET((_regs)) = result; \
} \
} while(0)
extern void shove_aux_table(unsigned long sp);
#define UM_FIX_EXEC_STACK(sp) shove_aux_table(sp);
/* These aren't actually defined. The undefs are just to make sure
* everyone's clear on the concept.
*/
#undef UML_HAVE_GETREGS
#undef UML_HAVE_GETFPREGS
#undef UML_HAVE_SETREGS
#undef UML_HAVE_SETFPREGS
#endif
/*
* Overrides for Emacs so that we follow Linus's tabbing style.
* Emacs will notice this stuff at the end of the file and automatically
* adjust the settings for this buffer only. This must remain at the end
* of the file.
* ---------------------------------------------------------------------------
* Local variables:
* c-file-style: "linux"
* End:
*/

62
arch/um/sys-ppc/sysdep/sigcontext.h Normal file
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@@ -0,0 +1,62 @@
/*
* Copyright (C) 2000 Jeff Dike (jdike@karaya.com)
* Licensed under the GPL
*/
#ifndef __SYS_SIGCONTEXT_PPC_H
#define __SYS_SIGCONTEXT_PPC_H
#define DSISR_WRITE 0x02000000
#define SC_FAULT_ADDR(sc) ({ \
struct sigcontext *_sc = (sc); \
long retval = -1; \
switch (_sc->regs->trap) { \
case 0x300: \
/* data exception */ \
retval = _sc->regs->dar; \
break; \
case 0x400: \
/* instruction exception */ \
retval = _sc->regs->nip; \
break; \
default: \
panic("SC_FAULT_ADDR: unhandled trap type\n"); \
} \
retval; \
})
#define SC_FAULT_WRITE(sc) ({ \
struct sigcontext *_sc = (sc); \
long retval = -1; \
switch (_sc->regs->trap) { \
case 0x300: \
/* data exception */ \
retval = !!(_sc->regs->dsisr & DSISR_WRITE); \
break; \
case 0x400: \
/* instruction exception: not a write */ \
retval = 0; \
break; \
default: \
panic("SC_FAULT_ADDR: unhandled trap type\n"); \
} \
retval; \
})
#define SC_IP(sc) ((sc)->regs->nip)
#define SC_SP(sc) ((sc)->regs->gpr[1])
#define SEGV_IS_FIXABLE(sc) (1)
#endif
/*
* Overrides for Emacs so that we follow Linus's tabbing style.
* Emacs will notice this stuff at the end of the file and automatically
* adjust the settings for this buffer only. This must remain at the end
* of the file.
* ---------------------------------------------------------------------------
* Local variables:
* c-file-style: "linux"
* End:
*/

22
arch/um/sys-ppc/sysdep/skas_ptrace.h Normal file
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/*
* Copyright (C) 2000, 2001, 2002 Jeff Dike (jdike@karaya.com)
* Licensed under the GPL
*/
#ifndef __SYSDEP_PPC_SKAS_PTRACE_H
#define __SYSDEP_PPC_SKAS_PTRACE_H
struct ptrace_faultinfo {
int is_write;
unsigned long addr;
};
struct ptrace_ldt {
int func;
void *ptr;
unsigned long bytecount;
};
#define PTRACE_LDT 54
#endif

53
arch/um/sys-ppc/sysdep/syscalls.h Normal file
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@@ -0,0 +1,53 @@
/*
* Copyright (C) 2000 Jeff Dike (jdike@karaya.com)
* Licensed under the GPL
*/
typedef long syscall_handler_t(unsigned long arg1, unsigned long arg2,
unsigned long arg3, unsigned long arg4,
unsigned long arg5, unsigned long arg6);
#define EXECUTE_SYSCALL(syscall, regs) \
(*sys_call_table[syscall])(UM_SYSCALL_ARG1(&regs), \
UM_SYSCALL_ARG2(&regs), \
UM_SYSCALL_ARG3(&regs), \
UM_SYSCALL_ARG4(&regs), \
UM_SYSCALL_ARG5(&regs), \
UM_SYSCALL_ARG6(&regs))
extern syscall_handler_t sys_mincore;
extern syscall_handler_t sys_madvise;
/* old_mmap needs the correct prototype since syscall_kern.c includes
* this file.
*/
int old_mmap(unsigned long addr, unsigned long len,
unsigned long prot, unsigned long flags,
unsigned long fd, unsigned long offset);
#define ARCH_SYSCALLS \
[ __NR_modify_ldt ] = sys_ni_syscall, \
[ __NR_pciconfig_read ] = sys_ni_syscall, \
[ __NR_pciconfig_write ] = sys_ni_syscall, \
[ __NR_pciconfig_iobase ] = sys_ni_syscall, \
[ __NR_pivot_root ] = sys_ni_syscall, \
[ __NR_multiplexer ] = sys_ni_syscall, \
[ __NR_mmap ] = old_mmap, \
[ __NR_madvise ] = sys_madvise, \
[ __NR_mincore ] = sys_mincore, \
[ __NR_iopl ] = (syscall_handler_t *) sys_ni_syscall, \
[ __NR_utimes ] = (syscall_handler_t *) sys_utimes, \
[ __NR_fadvise64 ] = (syscall_handler_t *) sys_fadvise64,
#define LAST_ARCH_SYSCALL __NR_fadvise64
/*
* Overrides for Emacs so that we follow Linus's tabbing style.
* Emacs will notice this stuff at the end of the file and automatically
* adjust the settings for this buffer only. This must remain at the end
* of the file.
* ---------------------------------------------------------------------------
* Local variables:
* c-file-style: "linux"
* End:
*/