1ab1c0cc7c96c17ea903ca6d3e42e7d2696b32b6cAl Viro#include <sys/ucontext.h> 2ab1c0cc7c96c17ea903ca6d3e42e7d2696b32b6cAl Viro#define __FRAME_OFFSETS 3ab1c0cc7c96c17ea903ca6d3e42e7d2696b32b6cAl Viro#include <asm/ptrace.h> 4ab1c0cc7c96c17ea903ca6d3e42e7d2696b32b6cAl Viro#include <sysdep/ptrace.h> 5ab1c0cc7c96c17ea903ca6d3e42e7d2696b32b6cAl Viro 6ab1c0cc7c96c17ea903ca6d3e42e7d2696b32b6cAl Virovoid get_regs_from_mc(struct uml_pt_regs *regs, mcontext_t *mc) 7ab1c0cc7c96c17ea903ca6d3e42e7d2696b32b6cAl Viro{ 8ab1c0cc7c96c17ea903ca6d3e42e7d2696b32b6cAl Viro#ifdef __i386__ 9ab1c0cc7c96c17ea903ca6d3e42e7d2696b32b6cAl Viro#define COPY2(X,Y) regs->gp[X] = mc->gregs[REG_##Y] 10ab1c0cc7c96c17ea903ca6d3e42e7d2696b32b6cAl Viro#define COPY(X) regs->gp[X] = mc->gregs[REG_##X] 11ab1c0cc7c96c17ea903ca6d3e42e7d2696b32b6cAl Viro#define COPY_SEG(X) regs->gp[X] = mc->gregs[REG_##X] & 0xffff; 12ab1c0cc7c96c17ea903ca6d3e42e7d2696b32b6cAl Viro#define COPY_SEG_CPL3(X) regs->gp[X] = (mc->gregs[REG_##X] & 0xffff) | 3; 13ab1c0cc7c96c17ea903ca6d3e42e7d2696b32b6cAl Viro COPY_SEG(GS); COPY_SEG(FS); COPY_SEG(ES); COPY_SEG(DS); 14ab1c0cc7c96c17ea903ca6d3e42e7d2696b32b6cAl Viro COPY(EDI); COPY(ESI); COPY(EBP); 15ab1c0cc7c96c17ea903ca6d3e42e7d2696b32b6cAl Viro COPY2(UESP, ESP); /* sic */ 16ab1c0cc7c96c17ea903ca6d3e42e7d2696b32b6cAl Viro COPY(EBX); COPY(EDX); COPY(ECX); COPY(EAX); 17ab1c0cc7c96c17ea903ca6d3e42e7d2696b32b6cAl Viro COPY(EIP); COPY_SEG_CPL3(CS); COPY(EFL); COPY_SEG_CPL3(SS); 18ab1c0cc7c96c17ea903ca6d3e42e7d2696b32b6cAl Viro#else 19ab1c0cc7c96c17ea903ca6d3e42e7d2696b32b6cAl Viro#define COPY2(X,Y) regs->gp[X/sizeof(unsigned long)] = mc->gregs[REG_##Y] 20ab1c0cc7c96c17ea903ca6d3e42e7d2696b32b6cAl Viro#define COPY(X) regs->gp[X/sizeof(unsigned long)] = mc->gregs[REG_##X] 21ab1c0cc7c96c17ea903ca6d3e42e7d2696b32b6cAl Viro COPY(R8); COPY(R9); COPY(R10); COPY(R11); 22ab1c0cc7c96c17ea903ca6d3e42e7d2696b32b6cAl Viro COPY(R12); COPY(R13); COPY(R14); COPY(R15); 23ab1c0cc7c96c17ea903ca6d3e42e7d2696b32b6cAl Viro COPY(RDI); COPY(RSI); COPY(RBP); COPY(RBX); 24ab1c0cc7c96c17ea903ca6d3e42e7d2696b32b6cAl Viro COPY(RDX); COPY(RAX); COPY(RCX); COPY(RSP); 25ab1c0cc7c96c17ea903ca6d3e42e7d2696b32b6cAl Viro COPY(RIP); 26ab1c0cc7c96c17ea903ca6d3e42e7d2696b32b6cAl Viro COPY2(EFLAGS, EFL); 27ab1c0cc7c96c17ea903ca6d3e42e7d2696b32b6cAl Viro COPY2(CS, CSGSFS); 28ab1c0cc7c96c17ea903ca6d3e42e7d2696b32b6cAl Viro regs->gp[CS / sizeof(unsigned long)] &= 0xffff; 29ab1c0cc7c96c17ea903ca6d3e42e7d2696b32b6cAl Viro regs->gp[CS / sizeof(unsigned long)] |= 3; 30ab1c0cc7c96c17ea903ca6d3e42e7d2696b32b6cAl Viro#endif 31ab1c0cc7c96c17ea903ca6d3e42e7d2696b32b6cAl Viro} 32