1#include <sys/ucontext.h> 2#define __FRAME_OFFSETS 3#include <asm/ptrace.h> 4#include <sysdep/ptrace.h> 5 6void 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