1 #include <sys/ucontext.h> 2 #define __FRAME_OFFSETS 3 #include <asm/ptrace.h> 4 #include <sysdep/ptrace.h> 5 6 void get_regs_from_mc(struct uml_pt_regs *regs, mcontext_t *mc) 7 { 8 #ifdef __i386__ 9 #define COPY2(X,Y) regs->gp[X] = mc->gregs[REG_##Y] 10 #define COPY(X) regs->gp[X] = mc->gregs[REG_##X] 11 #define COPY_SEG(X) regs->gp[X] = mc->gregs[REG_##X] & 0xffff; 12 #define COPY_SEG_CPL3(X) regs->gp[X] = (mc->gregs[REG_##X] & 0xffff) | 3; 13 COPY_SEG(GS); COPY_SEG(FS); COPY_SEG(ES); COPY_SEG(DS); 14 COPY(EDI); COPY(ESI); COPY(EBP); 15 COPY2(UESP, ESP); /* sic */ 16 COPY(EBX); COPY(EDX); COPY(ECX); COPY(EAX); 17 COPY(EIP); COPY_SEG_CPL3(CS); COPY(EFL); COPY_SEG_CPL3(SS); 18 #else 19 #define COPY2(X,Y) regs->gp[X/sizeof(unsigned long)] = mc->gregs[REG_##Y] 20 #define COPY(X) regs->gp[X/sizeof(unsigned long)] = mc->gregs[REG_##X] 21 COPY(R8); COPY(R9); COPY(R10); COPY(R11); 22 COPY(R12); COPY(R13); COPY(R14); COPY(R15); 23 COPY(RDI); COPY(RSI); COPY(RBP); COPY(RBX); 24 COPY(RDX); COPY(RAX); COPY(RCX); COPY(RSP); 25 COPY(RIP); 26 COPY2(EFLAGS, EFL); 27 COPY2(CS, CSGSFS); 28 regs->gp[CS / sizeof(unsigned long)] &= 0xffff; 29 regs->gp[CS / sizeof(unsigned long)] |= 3; 30 #endif 31 } 32