/* Native debugging support for Intel x86 running DJGPP.
- Copyright (C) 1997-2019 Free Software Foundation, Inc.
+ Copyright (C) 1997-2021 Free Software Foundation, Inc.
Written by Robert Hoehne.
This file is part of GDB.
void resume (ptid_t, int, enum gdb_signal) override;
- ptid_t wait (ptid_t, struct target_waitstatus *, int) override;
+ ptid_t wait (ptid_t, struct target_waitstatus *, target_wait_flags) override;
void fetch_registers (struct regcache *, int) override;
void store_registers (struct regcache *, int) override;
resume_is_step = step;
if (siggnal != GDB_SIGNAL_0 && siggnal != GDB_SIGNAL_TRAP)
- {
- for (i = 0, resume_signal = -1;
- excepn_map[i].gdb_sig != GDB_SIGNAL_LAST; i++)
- if (excepn_map[i].gdb_sig == siggnal)
- {
- resume_signal = excepn_map[i].djgpp_excepno;
- break;
- }
- if (resume_signal == -1)
- printf_unfiltered ("Cannot deliver signal %s on this platform.\n",
- gdb_signal_to_name (siggnal));
- }
+ {
+ for (i = 0, resume_signal = -1;
+ excepn_map[i].gdb_sig != GDB_SIGNAL_LAST; i++)
+ if (excepn_map[i].gdb_sig == siggnal)
+ {
+ resume_signal = excepn_map[i].djgpp_excepno;
+ break;
+ }
+ if (resume_signal == -1)
+ printf_unfiltered ("Cannot deliver signal %s on this platform.\n",
+ gdb_signal_to_name (siggnal));
+ }
}
static char child_cwd[FILENAME_MAX];
ptid_t
go32_nat_target::wait (ptid_t ptid, struct target_waitstatus *status,
- int options)
+ target_wait_flags options)
{
int i;
unsigned char saved_opcode;
save_npx ();
#endif
- inferior_ptid = ptid_t (SOME_PID);
inf = current_inferior ();
inferior_appeared (inf, SOME_PID);
- if (!target_is_pushed (this))
- push_target (this);
+ if (!inf->target_is_pushed (this))
+ inf->push_target (this);
- add_thread_silent (inferior_ptid);
+ thread_info *thr = add_thread_silent (ptid_t (SOME_PID));
+ switch_to_thread (thr);
clear_proceed_status (0);
insert_breakpoints ();
void
go32_nat_target::mourn_inferior ()
{
- ptid_t ptid;
-
redir_cmdline_delete (&child_cmd);
resume_signal = -1;
resume_is_step = 0;
the OS cleans up when the debuggee exits. */
x86_cleanup_dregs ();
- ptid = inferior_ptid;
- inferior_ptid = null_ptid;
prog_has_started = 0;
generic_mourn_inferior ();
newmode &= ~0x20;
if (oldmode & 0x80) /* Only for character dev. */
- {
- regs.x.ax = 0x4401;
- regs.x.bx = fd;
- regs.x.dx = newmode & 0xff; /* Force upper byte zero, else it fails. */
- __dpmi_int (0x21, ®s);
- if (regs.x.flags & 1)
- return -1;
- }
+ {
+ regs.x.ax = 0x4401;
+ regs.x.bx = fd;
+ regs.x.dx = newmode & 0xff; /* Force upper byte zero, else it fails. */
+ __dpmi_int (0x21, ®s);
+ if (regs.x.flags & 1)
+ return -1;
+ }
return (oldmode & 0x20) == 0x20;
}
#if __DJGPP_MINOR__ > 2
if (child_cmd.redirection)
- {
- int i;
-
- for (i = 0; i < DBG_HANDLES; i++)
{
- if (child_cmd.redirection[i]->file_name)
- printf_unfiltered ("\tFile handle %d is redirected to `%s'.\n",
- i, child_cmd.redirection[i]->file_name);
- else if (_get_dev_info (child_cmd.redirection[i]->inf_handle) == -1)
- printf_unfiltered
- ("\tFile handle %d appears to be closed by inferior.\n", i);
- /* Mask off the raw/cooked bit when comparing device info words. */
- else if ((_get_dev_info (child_cmd.redirection[i]->inf_handle) & 0xdf)
- != (_get_dev_info (i) & 0xdf))
- printf_unfiltered
- ("\tFile handle %d appears to be redirected by inferior.\n", i);
+ int i;
+
+ for (i = 0; i < DBG_HANDLES; i++)
+ {
+ if (child_cmd.redirection[i]->file_name)
+ printf_unfiltered ("\tFile handle %d is redirected to `%s'.\n",
+ i, child_cmd.redirection[i]->file_name);
+ else if (_get_dev_info (child_cmd.redirection[i]->inf_handle) == -1)
+ printf_unfiltered
+ ("\tFile handle %d appears to be closed by inferior.\n", i);
+ /* Mask off the raw/cooked bit when comparing device info words. */
+ else if ((_get_dev_info (child_cmd.redirection[i]->inf_handle) & 0xdf)
+ != (_get_dev_info (i) & 0xdf))
+ printf_unfiltered
+ ("\tFile handle %d appears to be redirected by inferior.\n", i);
+ }
}
- }
#endif
}
/* Redirect standard handles as child wants them. */
errno = 0;
if (redir_to_child (&child_cmd) == -1)
- {
- redir_to_debugger (&child_cmd);
- error (_("Cannot redirect standard handles for program: %s."),
- safe_strerror (errno));
- }
+ {
+ redir_to_debugger (&child_cmd);
+ error (_("Cannot redirect standard handles for program: %s."),
+ safe_strerror (errno));
+ }
/* Set the console device of the inferior to whatever mode
(raw or cooked) we found it last time. */
if (terminal_is_ours)
- {
- if (inf_mode_valid)
- device_mode (0, inf_terminal_mode);
- terminal_is_ours = 0;
- }
+ {
+ if (inf_mode_valid)
+ device_mode (0, inf_terminal_mode);
+ terminal_is_ours = 0;
+ }
}
void
/* Switch to cooked mode on the gdb terminal and save the inferior
terminal mode to be restored when it is resumed. */
if (!terminal_is_ours)
- {
- inf_terminal_mode = device_mode (0, 0);
- if (inf_terminal_mode != -1)
- inf_mode_valid = 1;
- else
- /* If device_mode returned -1, we don't know what happens with
- handle 0 anymore, so make the info invalid. */
- inf_mode_valid = 0;
- terminal_is_ours = 1;
-
- /* Restore debugger's standard handles. */
- errno = 0;
- if (redir_to_debugger (&child_cmd) == -1)
{
- redir_to_child (&child_cmd);
- error (_("Cannot redirect standard handles for debugger: %s."),
- safe_strerror (errno));
+ inf_terminal_mode = device_mode (0, 0);
+ if (inf_terminal_mode != -1)
+ inf_mode_valid = 1;
+ else
+ /* If device_mode returned -1, we don't know what happens with
+ handle 0 anymore, so make the info invalid. */
+ inf_mode_valid = 0;
+ terminal_is_ours = 1;
+
+ /* Restore debugger's standard handles. */
+ errno = 0;
+ if (redir_to_debugger (&child_cmd) == -1)
+ {
+ redir_to_child (&child_cmd);
+ error (_("Cannot redirect standard handles for debugger: %s."),
+ safe_strerror (errno));
+ }
}
- }
}
void
/* CPUID with EAX = 0 returns the Vendor ID. */
#if 0
/* Ideally we would use x86_cpuid(), but it needs someone to run
- native tests first to make sure things actually work. They should.
- http://sourceware.org/ml/gdb-patches/2013-05/msg00164.html */
+ native tests first to make sure things actually work. They should.
+ http://sourceware.org/ml/gdb-patches/2013-05/msg00164.html */
unsigned int eax, ebx, ecx, edx;
if (x86_cpuid (0, &eax, &ebx, &ecx, &edx))
}
}
xsnprintf (cpu_string, sizeof (cpu_string), "%s%s Model %d Stepping %d",
- intel_p ? "Pentium" : (amd_p ? "AMD" : (hygon_p ? "Hygon" : "ix86")),
- cpu_brand, cpu_model, cpuid_eax & 0xf);
- printfi_filtered (31, "%s\n", cpu_string);
+ intel_p ? "Pentium" : (amd_p ? "AMD" : (hygon_p ? "Hygon" : "ix86")),
+ cpu_brand, cpu_model, cpuid_eax & 0xf);
+ printf_filtered ("%*s%s\n", 31, "", cpu_string);
if (((cpuid_edx & (6 | (0x0d << 23))) != 0)
|| ((cpuid_edx & 1) == 0)
|| ((amd_p || hygon_p) && (cpuid_edx & (3 << 30)) != 0))
"%s-bit DPMI, with%s Virtual Memory support\n",
(dpmi_version_data.flags & 1) ? "32" : "16",
(dpmi_version_data.flags & 4) ? "" : "out");
- printfi_filtered (31, "Interrupts reflected to %s mode\n",
+ printf_filtered ("%*sInterrupts reflected to %s mode\n", 31, "",
(dpmi_version_data.flags & 2) ? "V86" : "Real");
- printfi_filtered (31, "Processor type: i%d86\n",
+ printf_filtered ("%*sProcessor type: i%d86\n", 31, "",
dpmi_version_data.cpu);
- printfi_filtered (31, "PIC base interrupt: Master: %#x Slave: %#x\n",
+ printf_filtered ("%*sPIC base interrupt: Master: %#x Slave: %#x\n", 31, "",
dpmi_version_data.master_pic, dpmi_version_data.slave_pic);
/* a_tss is only initialized when the debuggee is first run. */
__dpmi_int (0x21, ®s);
if ((regs.x.flags & 1) != 0)
regs.h.al = 0;
- printfi_filtered (31, "UMBs %sin DOS memory chain\n",
- regs.h.al == 0 ? "not " : "");
+ printf_filtered ("%*sUMBs %sin DOS memory chain\n", 31, "",
+ regs.h.al == 0 ? "not " : "");
}
}
break;
case 5:
printf_filtered ("TSS selector=0x%04x", descr.base0);
- printfi_filtered (16, "Task Gate");
+ printf_filtered ("%*sTask Gate", 16, "");
break;
case 6:
case 7:
static struct cmd_list_element *info_dos_cmdlist = NULL;
-static void
-go32_info_dos_command (const char *args, int from_tty)
-{
- help_list (info_dos_cmdlist, "info dos ", class_info, gdb_stdout);
-}
-
+void _initialize_go32_nat ();
void
-_initialize_go32_nat (void)
+_initialize_go32_nat ()
{
x86_dr_low.set_control = go32_set_dr7;
x86_dr_low.set_addr = go32_set_dr;
/* We are always processing GCC-compiled programs. */
processing_gcc_compilation = 2;
- add_prefix_cmd ("dos", class_info, go32_info_dos_command, _("\
+ add_basic_prefix_cmd ("dos", class_info, _("\
Print information specific to DJGPP (aka MS-DOS) debugging."),
- &info_dos_cmdlist, "info dos ", 0, &infolist);
+ &info_dos_cmdlist, 0, &infolist);
add_cmd ("sysinfo", class_info, go32_sysinfo, _("\
Display information about the target system, including CPU, OS, DPMI, etc."),
projects / deliverable / binutils-gdb.git / blobdiff