18c2ecf20Sopenharmony_ci// SPDX-License-Identifier: GPL-2.0 28c2ecf20Sopenharmony_ci#include <sys/ucontext.h> 38c2ecf20Sopenharmony_ci#define __FRAME_OFFSETS 48c2ecf20Sopenharmony_ci#include <asm/ptrace.h> 58c2ecf20Sopenharmony_ci#include <sysdep/ptrace.h> 68c2ecf20Sopenharmony_ci 78c2ecf20Sopenharmony_civoid get_regs_from_mc(struct uml_pt_regs *regs, mcontext_t *mc) 88c2ecf20Sopenharmony_ci{ 98c2ecf20Sopenharmony_ci#ifdef __i386__ 108c2ecf20Sopenharmony_ci#define COPY2(X,Y) regs->gp[X] = mc->gregs[REG_##Y] 118c2ecf20Sopenharmony_ci#define COPY(X) regs->gp[X] = mc->gregs[REG_##X] 128c2ecf20Sopenharmony_ci#define COPY_SEG(X) regs->gp[X] = mc->gregs[REG_##X] & 0xffff; 138c2ecf20Sopenharmony_ci#define COPY_SEG_CPL3(X) regs->gp[X] = (mc->gregs[REG_##X] & 0xffff) | 3; 148c2ecf20Sopenharmony_ci COPY_SEG(GS); COPY_SEG(FS); COPY_SEG(ES); COPY_SEG(DS); 158c2ecf20Sopenharmony_ci COPY(EDI); COPY(ESI); COPY(EBP); 168c2ecf20Sopenharmony_ci COPY2(UESP, ESP); /* sic */ 178c2ecf20Sopenharmony_ci COPY(EBX); COPY(EDX); COPY(ECX); COPY(EAX); 188c2ecf20Sopenharmony_ci COPY(EIP); COPY_SEG_CPL3(CS); COPY(EFL); COPY_SEG_CPL3(SS); 198c2ecf20Sopenharmony_ci#else 208c2ecf20Sopenharmony_ci#define COPY2(X,Y) regs->gp[X/sizeof(unsigned long)] = mc->gregs[REG_##Y] 218c2ecf20Sopenharmony_ci#define COPY(X) regs->gp[X/sizeof(unsigned long)] = mc->gregs[REG_##X] 228c2ecf20Sopenharmony_ci COPY(R8); COPY(R9); COPY(R10); COPY(R11); 238c2ecf20Sopenharmony_ci COPY(R12); COPY(R13); COPY(R14); COPY(R15); 248c2ecf20Sopenharmony_ci COPY(RDI); COPY(RSI); COPY(RBP); COPY(RBX); 258c2ecf20Sopenharmony_ci COPY(RDX); COPY(RAX); COPY(RCX); COPY(RSP); 268c2ecf20Sopenharmony_ci COPY(RIP); 278c2ecf20Sopenharmony_ci COPY2(EFLAGS, EFL); 288c2ecf20Sopenharmony_ci COPY2(CS, CSGSFS); 298c2ecf20Sopenharmony_ci regs->gp[CS / sizeof(unsigned long)] &= 0xffff; 308c2ecf20Sopenharmony_ci regs->gp[CS / sizeof(unsigned long)] |= 3; 318c2ecf20Sopenharmony_ci#endif 328c2ecf20Sopenharmony_ci} 33