void store_inferior_registers (int regno) { int current_pid; thread_t current_thread; kern_return_t ret; current_pid = ptid_get_pid (inferior_ptid); current_thread = ptid_get_tid (inferior_ptid); validate_inferior_registers (regno); if ((regno == -1) || ARM_MACOSX_IS_GP_RELATED_REGNUM (regno)) { struct gdb_arm_thread_state gp_regs; arm_macosx_store_gp_registers (&gp_regs); ret = thread_set_state (current_thread, GDB_ARM_THREAD_STATE, (thread_state_t) & gp_regs, GDB_ARM_THREAD_STATE_COUNT); MACH_CHECK_ERROR (ret); } if ((regno == -1) || ARM_MACOSX_IS_VFP_RELATED_REGNUM (regno)) { enum arm_vfp_version vfp_version; vfp_version = gdbarch_tdep (current_gdbarch)->vfp_version; int fp_byte_size = -1; switch (vfp_version) { case ARM_VFP_UNSUPPORTED: /* No VFP support, so nothing to do. */ fp_byte_size = 0; break; case ARM_VFP_VERSION_1: { gdb_arm_thread_vfpv1_state_t fp_regs; arm_macosx_store_vfpv1_regs (&fp_regs); ret = thread_set_state (current_thread, GDB_ARM_THREAD_FPSTATE, (thread_state_t) & fp_regs, GDB_ARM_THREAD_FPSTATE_VFPV1_COUNT); MACH_CHECK_ERROR (ret); } break; case ARM_VFP_VERSION_3: { gdb_arm_thread_vfpv3_state_t fp_regs; arm_macosx_store_vfpv3_regs (&fp_regs); ret = thread_set_state (current_thread, GDB_ARM_THREAD_FPSTATE, (thread_state_t) & fp_regs, GDB_ARM_THREAD_FPSTATE_VFPV3_COUNT); MACH_CHECK_ERROR (ret); } break; default: error ("store_inferior_registers: unable to store ARM_THREAD_FPSTATE: " "unsupported vfp version: %d", (int)vfp_version); break; } } }
/* Store our register values back into the inferior. * If REGNO is -1, do this for all registers. * Otherwise, REGNO specifies which register (so we can save time): */ void store_inferior_registers(int regno) { int current_pid; thread_t current_thread; kern_return_t ret; current_pid = ptid_get_pid(inferior_ptid); current_thread = (thread_t)ptid_get_tid(inferior_ptid); if (current_pid == 0) { ; /* do nothing; just silence '-Wunused-but-set-variable' */ } validate_inferior_registers(regno); if ((regno == -1) || ARM_MACOSX_IS_GP_RELATED_REGNUM(regno)) { struct gdb_arm_thread_state gp_regs; arm_macosx_store_gp_registers(&gp_regs); ret = thread_set_state(current_thread, GDB_ARM_THREAD_STATE, (thread_state_t)&gp_regs, GDB_ARM_THREAD_STATE_COUNT); MACH_CHECK_ERROR(ret); } if ((regno == -1) || ARM_MACOSX_IS_VFP_RELATED_REGNUM(regno)) { enum arm_vfp_version vfp_version; int fp_byte_size; vfp_version = new_gdbarch_tdep(current_gdbarch)->vfp_version; fp_byte_size = -1; switch (vfp_version) { case ARM_VFP_UNSUPPORTED: /* No VFP support, so nothing to do here: */ fp_byte_size = 0; break; case ARM_VFP_VERSION_1: { gdb_arm_thread_vfpv1_state_t fp_regs; arm_macosx_store_vfpv1_regs(&fp_regs); ret = thread_set_state(current_thread, GDB_ARM_THREAD_FPSTATE, (thread_state_t) & fp_regs, GDB_ARM_THREAD_FPSTATE_VFPV1_COUNT); MACH_CHECK_ERROR(ret); } break; case ARM_VFP_VERSION_3: { gdb_arm_thread_vfpv3_state_t fp_regs; arm_macosx_store_vfpv3_regs(&fp_regs); ret = thread_set_state(current_thread, GDB_ARM_THREAD_FPSTATE, (thread_state_t)&fp_regs, GDB_ARM_THREAD_FPSTATE_VFPV3_COUNT); MACH_CHECK_ERROR(ret); } break; default: error("store_inferior_registers: unable to store ARM_THREAD_FPSTATE: " "unsupported vfp version: %d", (int)vfp_version); #ifndef __clang__ break; #endif /* !__clang__ */ } if (fp_byte_size >= 0) { ; /* ??? */ } } }