1*5c48b108SAl Viro #include <sys/ucontext.h> 2*5c48b108SAl Viro #define __FRAME_OFFSETS 3*5c48b108SAl Viro #include <asm/ptrace.h> 4*5c48b108SAl Viro #include <sysdep/ptrace.h> 5*5c48b108SAl Viro 6*5c48b108SAl Viro void get_regs_from_mc(struct uml_pt_regs *regs, mcontext_t *mc) 7*5c48b108SAl Viro { 8*5c48b108SAl Viro #ifdef __i386__ 9*5c48b108SAl Viro #define COPY2(X,Y) regs->gp[X] = mc->gregs[REG_##Y] 10*5c48b108SAl Viro #define COPY(X) regs->gp[X] = mc->gregs[REG_##X] 11*5c48b108SAl Viro #define COPY_SEG(X) regs->gp[X] = mc->gregs[REG_##X] & 0xffff; 12*5c48b108SAl Viro #define COPY_SEG_CPL3(X) regs->gp[X] = (mc->gregs[REG_##X] & 0xffff) | 3; 13*5c48b108SAl Viro COPY_SEG(GS); COPY_SEG(FS); COPY_SEG(ES); COPY_SEG(DS); 14*5c48b108SAl Viro COPY(EDI); COPY(ESI); COPY(EBP); 15*5c48b108SAl Viro COPY2(UESP, ESP); /* sic */ 16*5c48b108SAl Viro COPY(EBX); COPY(EDX); COPY(ECX); COPY(EAX); 17*5c48b108SAl Viro COPY(EIP); COPY_SEG_CPL3(CS); COPY(EFL); COPY_SEG_CPL3(SS); 18*5c48b108SAl Viro #else 19*5c48b108SAl Viro #define COPY2(X,Y) regs->gp[X/sizeof(unsigned long)] = mc->gregs[REG_##Y] 20*5c48b108SAl Viro #define COPY(X) regs->gp[X/sizeof(unsigned long)] = mc->gregs[REG_##X] 21*5c48b108SAl Viro COPY(R8); COPY(R9); COPY(R10); COPY(R11); 22*5c48b108SAl Viro COPY(R12); COPY(R13); COPY(R14); COPY(R15); 23*5c48b108SAl Viro COPY(RDI); COPY(RSI); COPY(RBP); COPY(RBX); 24*5c48b108SAl Viro COPY(RDX); COPY(RAX); COPY(RCX); COPY(RSP); 25*5c48b108SAl Viro COPY(RIP); 26*5c48b108SAl Viro COPY2(EFLAGS, EFL); 27*5c48b108SAl Viro COPY2(CS, CSGSFS); 28*5c48b108SAl Viro regs->gp[CS / sizeof(unsigned long)] &= 0xffff; 29*5c48b108SAl Viro regs->gp[CS / sizeof(unsigned long)] |= 3; 30*5c48b108SAl Viro #endif 31*5c48b108SAl Viro } 32