cb (".reg", ARM_LINUX_SIZEOF_GREGSET, &arm_linux_gregset, NULL, cb_data);
- if (tdep->have_vfp_registers)
+ if (tdep->vfp_register_count > 0)
cb (".reg-arm-vfp", ARM_LINUX_SIZEOF_VFP, &arm_linux_vfpregset,
"VFP floating-point", cb_data);
else if (tdep->have_fpa_registers)
if (arm_deal_with_atomic_sequence (frame))
return 1;
+ /* If the target does have hardware single step, GDB doesn't have
+ to bother software single step. */
+ if (target_can_do_single_step () == 1)
+ return 0;
+
next_pc = arm_get_next_pc (frame, get_frame_pc (frame));
/* The Linux kernel offers some user-mode helpers in a high page. We can
"sigreturn/rt_sigreturn\n");
}
else if (debug_displaced)
- fprintf_unfiltered (gdb_stdlog, "displaced: sigreturn/rt_sigreturn "
- "SVC call not in signal trampoline frame\n");
+ fprintf_unfiltered (gdb_stdlog, "displaced: found SVC call\n");
/* Preparation: If we detect sigreturn, set momentary breakpoint at resume
location, else nothing.
CORE_ADDR from, CORE_ADDR to,
struct regcache *regs)
{
- struct displaced_step_closure *dsc
- = xmalloc (sizeof (struct displaced_step_closure));
+ struct displaced_step_closure *dsc = XNEW (struct displaced_step_closure);
/* Detect when we enter an (inaccessible by GDB) Linux kernel helper, and
stop at the return location. */
else if (syscall >= 248 && syscall <= 253)
return syscall + 4;
- return -1;
+ return gdb_sys_no_syscall;
}
/* Record all registers but PC register for process-record. */
syscall_gdb = arm_canonicalize_syscall (svc_number);
- if (syscall_gdb < 0)
+ if (syscall_gdb == gdb_sys_no_syscall)
{
printf_unfiltered (_("Process record and replay target doesn't "
"support syscall number %s\n"),
(gdbarch, arm_linux_iterate_over_regset_sections);
set_gdbarch_core_read_description (gdbarch, arm_linux_core_read_description);
- set_gdbarch_get_siginfo_type (gdbarch, linux_get_siginfo_type);
-
/* Displaced stepping. */
set_gdbarch_displaced_step_copy_insn (gdbarch,
arm_linux_displaced_step_copy_insn);