162306a36Sopenharmony_ci// SPDX-License-Identifier: GPL-2.0 262306a36Sopenharmony_ci#include <sys/ucontext.h> 362306a36Sopenharmony_ci#define __FRAME_OFFSETS 462306a36Sopenharmony_ci#include <asm/ptrace.h> 562306a36Sopenharmony_ci#include <sysdep/ptrace.h> 662306a36Sopenharmony_ci 762306a36Sopenharmony_civoid get_regs_from_mc(struct uml_pt_regs *regs, mcontext_t *mc) 862306a36Sopenharmony_ci{ 962306a36Sopenharmony_ci#ifdef __i386__ 1062306a36Sopenharmony_ci#define COPY2(X,Y) regs->gp[X] = mc->gregs[REG_##Y] 1162306a36Sopenharmony_ci#define COPY(X) regs->gp[X] = mc->gregs[REG_##X] 1262306a36Sopenharmony_ci#define COPY_SEG(X) regs->gp[X] = mc->gregs[REG_##X] & 0xffff; 1362306a36Sopenharmony_ci#define COPY_SEG_CPL3(X) regs->gp[X] = (mc->gregs[REG_##X] & 0xffff) | 3; 1462306a36Sopenharmony_ci COPY_SEG(GS); COPY_SEG(FS); COPY_SEG(ES); COPY_SEG(DS); 1562306a36Sopenharmony_ci COPY(EDI); COPY(ESI); COPY(EBP); 1662306a36Sopenharmony_ci COPY2(UESP, ESP); /* sic */ 1762306a36Sopenharmony_ci COPY(EBX); COPY(EDX); COPY(ECX); COPY(EAX); 1862306a36Sopenharmony_ci COPY(EIP); COPY_SEG_CPL3(CS); COPY(EFL); COPY_SEG_CPL3(SS); 1962306a36Sopenharmony_ci#else 2062306a36Sopenharmony_ci#define COPY2(X,Y) regs->gp[X/sizeof(unsigned long)] = mc->gregs[REG_##Y] 2162306a36Sopenharmony_ci#define COPY(X) regs->gp[X/sizeof(unsigned long)] = mc->gregs[REG_##X] 2262306a36Sopenharmony_ci COPY(R8); COPY(R9); COPY(R10); COPY(R11); 2362306a36Sopenharmony_ci COPY(R12); COPY(R13); COPY(R14); COPY(R15); 2462306a36Sopenharmony_ci COPY(RDI); COPY(RSI); COPY(RBP); COPY(RBX); 2562306a36Sopenharmony_ci COPY(RDX); COPY(RAX); COPY(RCX); COPY(RSP); 2662306a36Sopenharmony_ci COPY(RIP); 2762306a36Sopenharmony_ci COPY2(EFLAGS, EFL); 2862306a36Sopenharmony_ci COPY2(CS, CSGSFS); 2962306a36Sopenharmony_ci regs->gp[CS / sizeof(unsigned long)] &= 0xffff; 3062306a36Sopenharmony_ci regs->gp[CS / sizeof(unsigned long)] |= 3; 3162306a36Sopenharmony_ci#endif 3262306a36Sopenharmony_ci} 33