101 lines
2.4 KiB
C
Executable file
101 lines
2.4 KiB
C
Executable file
// SPDX-License-Identifier: GPL-2.0
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#include <stdio.h>
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#include <stddef.h>
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#include <signal.h>
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#include <sys/poll.h>
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#include <sys/mman.h>
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#include <sys/user.h>
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#define __FRAME_OFFSETS
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#include <linux/ptrace.h>
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#include <asm/types.h>
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#ifdef __i386__
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#define __SYSCALL_I386(nr, sym, qual) [nr] = 1,
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static char syscalls[] = {
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#include <asm/syscalls_32.h>
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};
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#else
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#define __SYSCALL_64(nr, sym, qual) [nr] = 1,
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static char syscalls[] = {
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#include <asm/syscalls_64.h>
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};
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#endif
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#define DEFINE(sym, val) \
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asm volatile("\n->" #sym " %0 " #val : : "i" (val))
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#define DEFINE_LONGS(sym, val) \
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asm volatile("\n->" #sym " %0 " #val : : "i" (val/sizeof(unsigned long)))
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void foo(void)
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{
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#ifdef __i386__
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DEFINE_LONGS(HOST_FP_SIZE, sizeof(struct user_fpregs_struct));
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DEFINE_LONGS(HOST_FPX_SIZE, sizeof(struct user_fpxregs_struct));
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DEFINE(HOST_IP, EIP);
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DEFINE(HOST_SP, UESP);
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DEFINE(HOST_EFLAGS, EFL);
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DEFINE(HOST_AX, EAX);
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DEFINE(HOST_BX, EBX);
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DEFINE(HOST_CX, ECX);
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DEFINE(HOST_DX, EDX);
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DEFINE(HOST_SI, ESI);
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DEFINE(HOST_DI, EDI);
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DEFINE(HOST_BP, EBP);
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DEFINE(HOST_CS, CS);
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DEFINE(HOST_SS, SS);
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DEFINE(HOST_DS, DS);
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DEFINE(HOST_FS, FS);
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DEFINE(HOST_ES, ES);
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DEFINE(HOST_GS, GS);
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DEFINE(HOST_ORIG_AX, ORIG_EAX);
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#else
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#ifdef FP_XSTATE_MAGIC1
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DEFINE_LONGS(HOST_FP_SIZE, 2696);
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#else
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DEFINE(HOST_FP_SIZE, sizeof(struct _fpstate) / sizeof(unsigned long));
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#endif
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DEFINE_LONGS(HOST_BX, RBX);
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DEFINE_LONGS(HOST_CX, RCX);
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DEFINE_LONGS(HOST_DI, RDI);
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DEFINE_LONGS(HOST_SI, RSI);
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DEFINE_LONGS(HOST_DX, RDX);
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DEFINE_LONGS(HOST_BP, RBP);
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DEFINE_LONGS(HOST_AX, RAX);
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DEFINE_LONGS(HOST_R8, R8);
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DEFINE_LONGS(HOST_R9, R9);
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DEFINE_LONGS(HOST_R10, R10);
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DEFINE_LONGS(HOST_R11, R11);
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DEFINE_LONGS(HOST_R12, R12);
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DEFINE_LONGS(HOST_R13, R13);
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DEFINE_LONGS(HOST_R14, R14);
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DEFINE_LONGS(HOST_R15, R15);
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DEFINE_LONGS(HOST_ORIG_AX, ORIG_RAX);
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DEFINE_LONGS(HOST_CS, CS);
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DEFINE_LONGS(HOST_SS, SS);
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DEFINE_LONGS(HOST_EFLAGS, EFLAGS);
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#if 0
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DEFINE_LONGS(HOST_FS, FS);
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DEFINE_LONGS(HOST_GS, GS);
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DEFINE_LONGS(HOST_DS, DS);
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DEFINE_LONGS(HOST_ES, ES);
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#endif
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DEFINE_LONGS(HOST_IP, RIP);
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DEFINE_LONGS(HOST_SP, RSP);
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#endif
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DEFINE(UM_FRAME_SIZE, sizeof(struct user_regs_struct));
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DEFINE(UM_POLLIN, POLLIN);
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DEFINE(UM_POLLPRI, POLLPRI);
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DEFINE(UM_POLLOUT, POLLOUT);
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DEFINE(UM_PROT_READ, PROT_READ);
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DEFINE(UM_PROT_WRITE, PROT_WRITE);
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DEFINE(UM_PROT_EXEC, PROT_EXEC);
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DEFINE(__NR_syscall_max, sizeof(syscalls) - 1);
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DEFINE(NR_syscalls, sizeof(syscalls));
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}
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