x86/um/user-offsets.c

0001 // SPDX-License-Identifier: GPL-2.0
0002 #include <stdio.h>
0003 #include <stddef.h>
0004 #include <signal.h>
0005 #include <poll.h>
0006 #include <sys/mman.h>
0007 #include <sys/user.h>
0008 #define __FRAME_OFFSETS
0009 #include <linux/ptrace.h>
0010 #include <asm/types.h>
0011 #include <linux/kbuild.h>
0012
0013 #define DEFINE_LONGS(sym, val)  \
0014     COMMENT(#val " / sizeof(unsigned long)");   \
0015     DEFINE(sym, val / sizeof(unsigned long))
0016
0017 void foo(void)
0018 {
0019 #ifdef __i386__
0020     DEFINE_LONGS(HOST_FP_SIZE, sizeof(struct user_fpregs_struct));
0021     DEFINE_LONGS(HOST_FPX_SIZE, sizeof(struct user_fpxregs_struct));
0022
0023     DEFINE(HOST_IP, EIP);
0024     DEFINE(HOST_SP, UESP);
0025     DEFINE(HOST_EFLAGS, EFL);
0026     DEFINE(HOST_AX, EAX);
0027     DEFINE(HOST_BX, EBX);
0028     DEFINE(HOST_CX, ECX);
0029     DEFINE(HOST_DX, EDX);
0030     DEFINE(HOST_SI, ESI);
0031     DEFINE(HOST_DI, EDI);
0032     DEFINE(HOST_BP, EBP);
0033     DEFINE(HOST_CS, CS);
0034     DEFINE(HOST_SS, SS);
0035     DEFINE(HOST_DS, DS);
0036     DEFINE(HOST_FS, FS);
0037     DEFINE(HOST_ES, ES);
0038     DEFINE(HOST_GS, GS);
0039     DEFINE(HOST_ORIG_AX, ORIG_EAX);
0040 #else
0041 #ifdef FP_XSTATE_MAGIC1
0042     DEFINE_LONGS(HOST_FP_SIZE, 2696);
0043 #else
0044     DEFINE(HOST_FP_SIZE, sizeof(struct _fpstate) / sizeof(unsigned long));
0045 #endif
0046     DEFINE_LONGS(HOST_BX, RBX);
0047     DEFINE_LONGS(HOST_CX, RCX);
0048     DEFINE_LONGS(HOST_DI, RDI);
0049     DEFINE_LONGS(HOST_SI, RSI);
0050     DEFINE_LONGS(HOST_DX, RDX);
0051     DEFINE_LONGS(HOST_BP, RBP);
0052     DEFINE_LONGS(HOST_AX, RAX);
0053     DEFINE_LONGS(HOST_R8, R8);
0054     DEFINE_LONGS(HOST_R9, R9);
0055     DEFINE_LONGS(HOST_R10, R10);
0056     DEFINE_LONGS(HOST_R11, R11);
0057     DEFINE_LONGS(HOST_R12, R12);
0058     DEFINE_LONGS(HOST_R13, R13);
0059     DEFINE_LONGS(HOST_R14, R14);
0060     DEFINE_LONGS(HOST_R15, R15);
0061     DEFINE_LONGS(HOST_ORIG_AX, ORIG_RAX);
0062     DEFINE_LONGS(HOST_CS, CS);
0063     DEFINE_LONGS(HOST_SS, SS);
0064     DEFINE_LONGS(HOST_EFLAGS, EFLAGS);
0065 #if 0
0066     DEFINE_LONGS(HOST_FS, FS);
0067     DEFINE_LONGS(HOST_GS, GS);
0068     DEFINE_LONGS(HOST_DS, DS);
0069     DEFINE_LONGS(HOST_ES, ES);
0070 #endif
0071
0072     DEFINE_LONGS(HOST_IP, RIP);
0073     DEFINE_LONGS(HOST_SP, RSP);
0074 #endif
0075
0076     DEFINE(UM_FRAME_SIZE, sizeof(struct user_regs_struct));
0077     DEFINE(UM_POLLIN, POLLIN);
0078     DEFINE(UM_POLLPRI, POLLPRI);
0079     DEFINE(UM_POLLOUT, POLLOUT);
0080
0081     DEFINE(UM_PROT_READ, PROT_READ);
0082     DEFINE(UM_PROT_WRITE, PROT_WRITE);
0083     DEFINE(UM_PROT_EXEC, PROT_EXEC);
0084 }