#include #include #include #define __FRAME_OFFSETS #include #include /* For some reason, x86_64 defines u64 and u32 only in , which I * refuse to include here, even though they're used throughout the headers. * These are used in asm/user.h, and that include can't be avoided because of * the sizeof(struct user_regs_struct) below. */ typedef __u64 u64; typedef __u32 u32; #include #define DEFINE(sym, val) \ asm volatile("\n->" #sym " %0 " #val : : "i" (val)) #define OFFSET(sym, str, mem) \ DEFINE(sym, offsetof(struct str, mem)); void foo(void) { OFFSET(SC_RBX, sigcontext, rbx); OFFSET(SC_RCX, sigcontext, rcx); OFFSET(SC_RDX, sigcontext, rdx); OFFSET(SC_RSI, sigcontext, rsi); OFFSET(SC_RDI, sigcontext, rdi); OFFSET(SC_RBP, sigcontext, rbp); OFFSET(SC_RAX, sigcontext, rax); OFFSET(SC_R8, sigcontext, r8); OFFSET(SC_R9, sigcontext, r9); OFFSET(SC_R10, sigcontext, r10); OFFSET(SC_R11, sigcontext, r11); OFFSET(SC_R12, sigcontext, r12); OFFSET(SC_R13, sigcontext, r13); OFFSET(SC_R14, sigcontext, r14); OFFSET(SC_R15, sigcontext, r15); OFFSET(SC_IP, sigcontext, rip); OFFSET(SC_SP, sigcontext, rsp); OFFSET(SC_CR2, sigcontext, cr2); OFFSET(SC_ERR, sigcontext, err); OFFSET(SC_TRAPNO, sigcontext, trapno); OFFSET(SC_CS, sigcontext, cs); OFFSET(SC_FS, sigcontext, fs); OFFSET(SC_GS, sigcontext, gs); OFFSET(SC_EFLAGS, sigcontext, eflags); OFFSET(SC_SIGMASK, sigcontext, oldmask); #if 0 OFFSET(SC_ORIG_RAX, sigcontext, orig_rax); OFFSET(SC_DS, sigcontext, ds); OFFSET(SC_ES, sigcontext, es); OFFSET(SC_SS, sigcontext, ss); #endif DEFINE(HOST_FRAME_SIZE, FRAME_SIZE); DEFINE(HOST_RBX, RBX); DEFINE(HOST_RCX, RCX); DEFINE(HOST_RDI, RDI); DEFINE(HOST_RSI, RSI); DEFINE(HOST_RDX, RDX); DEFINE(HOST_RBP, RBP); DEFINE(HOST_RAX, RAX); DEFINE(HOST_R8, R8); DEFINE(HOST_R9, R9); DEFINE(HOST_R10, R10); DEFINE(HOST_R11, R11); DEFINE(HOST_R12, R12); DEFINE(HOST_R13, R13); DEFINE(HOST_R14, R14); DEFINE(HOST_R15, R15); DEFINE(HOST_ORIG_RAX, ORIG_RAX); DEFINE(HOST_CS, CS); DEFINE(HOST_SS, SS); DEFINE(HOST_EFLAGS, EFLAGS); #if 0 DEFINE(HOST_FS, FS); DEFINE(HOST_GS, GS); DEFINE(HOST_DS, DS); DEFINE(HOST_ES, ES); #endif DEFINE(HOST_IP, RIP); DEFINE(HOST_SP, RSP); DEFINE(__UM_FRAME_SIZE, sizeof(struct user_regs_struct)); }