+2020-03-16 Simon Marchi <simon.marchi@efficios.com>
+
+ * i386-cygwin-tdep.c: Rename to...
+ * i386-windows-tdep.c: ... this.
+ * Makefile.in (ALL_TARGET_OBS): Rename i386-cygwin-tdep.c to
+ i386-windows-tdep.c.
+ * configure.tgt: Likewise.
+
2020-03-16 Simon Marchi <simon.marchi@efficios.com>
* osabi.h (enum gdb_osabi): Add GDB_OSABI_WINDOWS.
hppa-obsd-tdep.o \
hppa-tdep.o \
i386-bsd-tdep.o \
- i386-cygwin-tdep.o \
i386-darwin-tdep.o \
i386-dicos-tdep.o \
i386-fbsd-tdep.o \
i386-obsd-tdep.o \
i386-sol2-tdep.o \
i386-tdep.o \
+ i386-windows-tdep.o \
i387-tdep.o \
iq2000-tdep.o \
linux-record.o \
hppa-tdep.c \
i386-bsd-nat.c \
i386-bsd-tdep.c \
- i386-cygwin-tdep.c \
i386-darwin-nat.c \
i386-darwin-tdep.c \
i386-dicos-tdep.c \
i386-sol2-nat.c \
i386-sol2-tdep.c \
i386-tdep.c \
+ i386-windows-tdep.c \
i387-tdep.c \
ia64-libunwind-tdep.c \
ia64-linux-nat.c \
;;
i[34567]86-*-cygwin*)
# Target: Intel 386 running win32
- gdb_target_obs="i386-cygwin-tdep.o windows-tdep.o"
+ gdb_target_obs="i386-windows-tdep.o windows-tdep.o"
;;
i[34567]86-*-mingw32*)
# Target: Intel 386 running win32
- gdb_target_obs="i386-cygwin-tdep.o windows-tdep.o"
+ gdb_target_obs="i386-windows-tdep.o windows-tdep.o"
;;
i[34567]86-*-go32* | i[34567]86-*-msdosdjgpp*)
# Target: i386 running DJGPP/go32.
x86_64-*-mingw* | x86_64-*-cygwin*)
# Target: MingW/amd64
gdb_target_obs="amd64-windows-tdep.o \
- ${i386_tobjs} i386-cygwin-tdep.o \
+ ${i386_tobjs} i386-windows-tdep.o \
windows-tdep.o"
;;
x86_64-*-netbsd* | x86_64-*-knetbsd*-gnu)
+++ /dev/null
-/* Target-dependent code for Cygwin running on i386's, for GDB.
-
- Copyright (C) 2003-2020 Free Software Foundation, Inc.
-
- This file is part of GDB.
-
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 3 of the License, or
- (at your option) any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program. If not, see <http://www.gnu.org/licenses/>. */
-
-#include "defs.h"
-#include "osabi.h"
-#include "i386-tdep.h"
-#include "windows-tdep.h"
-#include "regset.h"
-#include "gdb_obstack.h"
-#include "xml-support.h"
-#include "gdbcore.h"
-#include "inferior.h"
-
-/* Core file support. */
-
-/* This vector maps GDB's idea of a register's number into an address
- in the windows exception context vector. */
-
-static int i386_windows_gregset_reg_offset[] =
-{
- 176, /* eax */
- 172, /* ecx */
- 168, /* edx */
- 164, /* ebx */
-
- 196, /* esp */
- 180, /* ebp */
- 160, /* esi */
- 156, /* edi */
-
- 184, /* eip */
- 192, /* eflags */
- 188, /* cs */
- 200, /* ss */
-
- 152, /* ds */
- 148, /* es */
- 144, /* fs */
- 140, /* gs */
-
- 56, /* FloatSave.RegisterArea[0 * 10] */
- 66, /* FloatSave.RegisterArea[1 * 10] */
- 76, /* FloatSave.RegisterArea[2 * 10] */
- 86, /* FloatSave.RegisterArea[3 * 10] */
- 96, /* FloatSave.RegisterArea[4 * 10] */
- 106, /* FloatSave.RegisterArea[5 * 10] */
- 116, /* FloatSave.RegisterArea[6 * 10] */
- 126, /* FloatSave.RegisterArea[7 * 10] */
-
- 28, /* FloatSave.ControlWord */
- 32, /* FloatSave.StatusWord */
- 36, /* FloatSave.TagWord */
- 44, /* FloatSave.ErrorSelector */
- 40, /* FloatSave.ErrorOffset */
- 52, /* FloatSave.DataSelector */
- 48, /* FloatSave.DataOffset */
- 44, /* FloatSave.ErrorSelector */
-
- /* XMM0-7 */
- 364, /* ExtendedRegisters[10*16] */
- 380, /* ExtendedRegisters[11*16] */
- 396, /* ExtendedRegisters[12*16] */
- 412, /* ExtendedRegisters[13*16] */
- 428, /* ExtendedRegisters[14*16] */
- 444, /* ExtendedRegisters[15*16] */
- 460, /* ExtendedRegisters[16*16] */
- 476, /* ExtendedRegisters[17*16] */
-
- /* MXCSR */
- 228 /* ExtendedRegisters[24] */
-};
-
-#define I386_WINDOWS_SIZEOF_GREGSET 716
-
-struct cpms_data
-{
- struct gdbarch *gdbarch;
- struct obstack *obstack;
- int module_count;
-};
-
-static void
-core_process_module_section (bfd *abfd, asection *sect, void *obj)
-{
- struct cpms_data *data = (struct cpms_data *) obj;
- enum bfd_endian byte_order = gdbarch_byte_order (data->gdbarch);
-
- char *module_name;
- size_t module_name_size;
- CORE_ADDR base_addr;
-
- gdb_byte *buf = NULL;
-
- if (!startswith (sect->name, ".module"))
- return;
-
- buf = (gdb_byte *) xmalloc (bfd_section_size (sect) + 1);
- if (!buf)
- {
- printf_unfiltered ("memory allocation failed for %s\n", sect->name);
- goto out;
- }
- if (!bfd_get_section_contents (abfd, sect,
- buf, 0, bfd_section_size (sect)))
- goto out;
-
-
-
- /* A DWORD (data_type) followed by struct windows_core_module_info. */
-
- base_addr =
- extract_unsigned_integer (buf + 4, 4, byte_order);
-
- module_name_size =
- extract_unsigned_integer (buf + 8, 4, byte_order);
-
- if (12 + module_name_size > bfd_section_size (sect))
- goto out;
- module_name = (char *) buf + 12;
-
- /* The first module is the .exe itself. */
- if (data->module_count != 0)
- windows_xfer_shared_library (module_name, base_addr,
- NULL, data->gdbarch, data->obstack);
- data->module_count++;
-
-out:
- if (buf)
- xfree (buf);
- return;
-}
-
-static ULONGEST
-windows_core_xfer_shared_libraries (struct gdbarch *gdbarch,
- gdb_byte *readbuf,
- ULONGEST offset, ULONGEST len)
-{
- struct obstack obstack;
- const char *buf;
- ULONGEST len_avail;
- struct cpms_data data = { gdbarch, &obstack, 0 };
-
- obstack_init (&obstack);
- obstack_grow_str (&obstack, "<library-list>\n");
- bfd_map_over_sections (core_bfd,
- core_process_module_section,
- &data);
- obstack_grow_str0 (&obstack, "</library-list>\n");
-
- buf = (const char *) obstack_finish (&obstack);
- len_avail = strlen (buf);
- if (offset >= len_avail)
- return 0;
-
- if (len > len_avail - offset)
- len = len_avail - offset;
- memcpy (readbuf, buf + offset, len);
-
- obstack_free (&obstack, NULL);
- return len;
-}
-
-/* This is how we want PTIDs from core files to be printed. */
-
-static std::string
-i386_windows_core_pid_to_str (struct gdbarch *gdbarch, ptid_t ptid)
-{
- if (ptid.lwp () != 0)
- return string_printf ("Thread 0x%lx", ptid.lwp ());
-
- return normal_pid_to_str (ptid);
-}
-
-static CORE_ADDR
-i386_cygwin_skip_trampoline_code (struct frame_info *frame, CORE_ADDR pc)
-{
- return i386_pe_skip_trampoline_code (frame, pc, NULL);
-}
-
-static const char *
-i386_cygwin_auto_wide_charset (void)
-{
- return "UTF-16";
-}
-
-static void
-i386_cygwin_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
-{
- struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
-
- windows_init_abi (info, gdbarch);
-
- set_gdbarch_skip_trampoline_code (gdbarch, i386_cygwin_skip_trampoline_code);
-
- set_gdbarch_skip_main_prologue (gdbarch, i386_skip_main_prologue);
-
- tdep->struct_return = reg_struct_return;
-
- tdep->gregset_reg_offset = i386_windows_gregset_reg_offset;
- tdep->gregset_num_regs = ARRAY_SIZE (i386_windows_gregset_reg_offset);
- tdep->sizeof_gregset = I386_WINDOWS_SIZEOF_GREGSET;
-
- tdep->sizeof_fpregset = 0;
-
- /* Core file support. */
- set_gdbarch_core_xfer_shared_libraries
- (gdbarch, windows_core_xfer_shared_libraries);
- set_gdbarch_core_pid_to_str (gdbarch, i386_windows_core_pid_to_str);
-
- set_gdbarch_auto_wide_charset (gdbarch, i386_cygwin_auto_wide_charset);
-}
-
-static enum gdb_osabi
-i386_cygwin_osabi_sniffer (bfd *abfd)
-{
- const char *target_name = bfd_get_target (abfd);
-
- if (strcmp (target_name, "pei-i386") == 0)
- return GDB_OSABI_WINDOWS;
-
- return GDB_OSABI_UNKNOWN;
-}
-
-static enum gdb_osabi
-i386_cygwin_core_osabi_sniffer (bfd *abfd)
-{
- const char *target_name = bfd_get_target (abfd);
-
- /* Cygwin uses elf core dumps. Do not claim all ELF executables,
- check whether there is a .reg section of proper size. */
- if (strcmp (target_name, "elf32-i386") == 0)
- {
- asection *section = bfd_get_section_by_name (abfd, ".reg");
- if (section != nullptr
- && bfd_section_size (section) == I386_WINDOWS_SIZEOF_GREGSET)
- return GDB_OSABI_CYGWIN;
- }
-
- return GDB_OSABI_UNKNOWN;
-}
-
-void _initialize_i386_cygwin_tdep ();
-void
-_initialize_i386_cygwin_tdep ()
-{
- gdbarch_register_osabi_sniffer (bfd_arch_i386, bfd_target_coff_flavour,
- i386_cygwin_osabi_sniffer);
-
- /* Cygwin uses elf core dumps. */
- gdbarch_register_osabi_sniffer (bfd_arch_i386, bfd_target_elf_flavour,
- i386_cygwin_core_osabi_sniffer);
-
- /* The Cygwin and Windows OS ABIs are currently equivalent. */
- gdbarch_register_osabi (bfd_arch_i386, 0, GDB_OSABI_CYGWIN,
- i386_cygwin_init_abi);
- gdbarch_register_osabi (bfd_arch_i386, 0, GDB_OSABI_WINDOWS,
- i386_cygwin_init_abi);
-}
--- /dev/null
+/* Target-dependent code for Cygwin running on i386's, for GDB.
+
+ Copyright (C) 2003-2020 Free Software Foundation, Inc.
+
+ This file is part of GDB.
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
+
+#include "defs.h"
+#include "osabi.h"
+#include "i386-tdep.h"
+#include "windows-tdep.h"
+#include "regset.h"
+#include "gdb_obstack.h"
+#include "xml-support.h"
+#include "gdbcore.h"
+#include "inferior.h"
+
+/* Core file support. */
+
+/* This vector maps GDB's idea of a register's number into an address
+ in the windows exception context vector. */
+
+static int i386_windows_gregset_reg_offset[] =
+{
+ 176, /* eax */
+ 172, /* ecx */
+ 168, /* edx */
+ 164, /* ebx */
+
+ 196, /* esp */
+ 180, /* ebp */
+ 160, /* esi */
+ 156, /* edi */
+
+ 184, /* eip */
+ 192, /* eflags */
+ 188, /* cs */
+ 200, /* ss */
+
+ 152, /* ds */
+ 148, /* es */
+ 144, /* fs */
+ 140, /* gs */
+
+ 56, /* FloatSave.RegisterArea[0 * 10] */
+ 66, /* FloatSave.RegisterArea[1 * 10] */
+ 76, /* FloatSave.RegisterArea[2 * 10] */
+ 86, /* FloatSave.RegisterArea[3 * 10] */
+ 96, /* FloatSave.RegisterArea[4 * 10] */
+ 106, /* FloatSave.RegisterArea[5 * 10] */
+ 116, /* FloatSave.RegisterArea[6 * 10] */
+ 126, /* FloatSave.RegisterArea[7 * 10] */
+
+ 28, /* FloatSave.ControlWord */
+ 32, /* FloatSave.StatusWord */
+ 36, /* FloatSave.TagWord */
+ 44, /* FloatSave.ErrorSelector */
+ 40, /* FloatSave.ErrorOffset */
+ 52, /* FloatSave.DataSelector */
+ 48, /* FloatSave.DataOffset */
+ 44, /* FloatSave.ErrorSelector */
+
+ /* XMM0-7 */
+ 364, /* ExtendedRegisters[10*16] */
+ 380, /* ExtendedRegisters[11*16] */
+ 396, /* ExtendedRegisters[12*16] */
+ 412, /* ExtendedRegisters[13*16] */
+ 428, /* ExtendedRegisters[14*16] */
+ 444, /* ExtendedRegisters[15*16] */
+ 460, /* ExtendedRegisters[16*16] */
+ 476, /* ExtendedRegisters[17*16] */
+
+ /* MXCSR */
+ 228 /* ExtendedRegisters[24] */
+};
+
+#define I386_WINDOWS_SIZEOF_GREGSET 716
+
+struct cpms_data
+{
+ struct gdbarch *gdbarch;
+ struct obstack *obstack;
+ int module_count;
+};
+
+static void
+core_process_module_section (bfd *abfd, asection *sect, void *obj)
+{
+ struct cpms_data *data = (struct cpms_data *) obj;
+ enum bfd_endian byte_order = gdbarch_byte_order (data->gdbarch);
+
+ char *module_name;
+ size_t module_name_size;
+ CORE_ADDR base_addr;
+
+ gdb_byte *buf = NULL;
+
+ if (!startswith (sect->name, ".module"))
+ return;
+
+ buf = (gdb_byte *) xmalloc (bfd_section_size (sect) + 1);
+ if (!buf)
+ {
+ printf_unfiltered ("memory allocation failed for %s\n", sect->name);
+ goto out;
+ }
+ if (!bfd_get_section_contents (abfd, sect,
+ buf, 0, bfd_section_size (sect)))
+ goto out;
+
+
+
+ /* A DWORD (data_type) followed by struct windows_core_module_info. */
+
+ base_addr =
+ extract_unsigned_integer (buf + 4, 4, byte_order);
+
+ module_name_size =
+ extract_unsigned_integer (buf + 8, 4, byte_order);
+
+ if (12 + module_name_size > bfd_section_size (sect))
+ goto out;
+ module_name = (char *) buf + 12;
+
+ /* The first module is the .exe itself. */
+ if (data->module_count != 0)
+ windows_xfer_shared_library (module_name, base_addr,
+ NULL, data->gdbarch, data->obstack);
+ data->module_count++;
+
+out:
+ if (buf)
+ xfree (buf);
+ return;
+}
+
+static ULONGEST
+windows_core_xfer_shared_libraries (struct gdbarch *gdbarch,
+ gdb_byte *readbuf,
+ ULONGEST offset, ULONGEST len)
+{
+ struct obstack obstack;
+ const char *buf;
+ ULONGEST len_avail;
+ struct cpms_data data = { gdbarch, &obstack, 0 };
+
+ obstack_init (&obstack);
+ obstack_grow_str (&obstack, "<library-list>\n");
+ bfd_map_over_sections (core_bfd,
+ core_process_module_section,
+ &data);
+ obstack_grow_str0 (&obstack, "</library-list>\n");
+
+ buf = (const char *) obstack_finish (&obstack);
+ len_avail = strlen (buf);
+ if (offset >= len_avail)
+ return 0;
+
+ if (len > len_avail - offset)
+ len = len_avail - offset;
+ memcpy (readbuf, buf + offset, len);
+
+ obstack_free (&obstack, NULL);
+ return len;
+}
+
+/* This is how we want PTIDs from core files to be printed. */
+
+static std::string
+i386_windows_core_pid_to_str (struct gdbarch *gdbarch, ptid_t ptid)
+{
+ if (ptid.lwp () != 0)
+ return string_printf ("Thread 0x%lx", ptid.lwp ());
+
+ return normal_pid_to_str (ptid);
+}
+
+static CORE_ADDR
+i386_cygwin_skip_trampoline_code (struct frame_info *frame, CORE_ADDR pc)
+{
+ return i386_pe_skip_trampoline_code (frame, pc, NULL);
+}
+
+static const char *
+i386_cygwin_auto_wide_charset (void)
+{
+ return "UTF-16";
+}
+
+static void
+i386_cygwin_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
+{
+ struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
+
+ windows_init_abi (info, gdbarch);
+
+ set_gdbarch_skip_trampoline_code (gdbarch, i386_cygwin_skip_trampoline_code);
+
+ set_gdbarch_skip_main_prologue (gdbarch, i386_skip_main_prologue);
+
+ tdep->struct_return = reg_struct_return;
+
+ tdep->gregset_reg_offset = i386_windows_gregset_reg_offset;
+ tdep->gregset_num_regs = ARRAY_SIZE (i386_windows_gregset_reg_offset);
+ tdep->sizeof_gregset = I386_WINDOWS_SIZEOF_GREGSET;
+
+ tdep->sizeof_fpregset = 0;
+
+ /* Core file support. */
+ set_gdbarch_core_xfer_shared_libraries
+ (gdbarch, windows_core_xfer_shared_libraries);
+ set_gdbarch_core_pid_to_str (gdbarch, i386_windows_core_pid_to_str);
+
+ set_gdbarch_auto_wide_charset (gdbarch, i386_cygwin_auto_wide_charset);
+}
+
+static enum gdb_osabi
+i386_cygwin_osabi_sniffer (bfd *abfd)
+{
+ const char *target_name = bfd_get_target (abfd);
+
+ if (strcmp (target_name, "pei-i386") == 0)
+ return GDB_OSABI_WINDOWS;
+
+ return GDB_OSABI_UNKNOWN;
+}
+
+static enum gdb_osabi
+i386_cygwin_core_osabi_sniffer (bfd *abfd)
+{
+ const char *target_name = bfd_get_target (abfd);
+
+ /* Cygwin uses elf core dumps. Do not claim all ELF executables,
+ check whether there is a .reg section of proper size. */
+ if (strcmp (target_name, "elf32-i386") == 0)
+ {
+ asection *section = bfd_get_section_by_name (abfd, ".reg");
+ if (section != nullptr
+ && bfd_section_size (section) == I386_WINDOWS_SIZEOF_GREGSET)
+ return GDB_OSABI_CYGWIN;
+ }
+
+ return GDB_OSABI_UNKNOWN;
+}
+
+void _initialize_i386_cygwin_tdep ();
+void
+_initialize_i386_cygwin_tdep ()
+{
+ gdbarch_register_osabi_sniffer (bfd_arch_i386, bfd_target_coff_flavour,
+ i386_cygwin_osabi_sniffer);
+
+ /* Cygwin uses elf core dumps. */
+ gdbarch_register_osabi_sniffer (bfd_arch_i386, bfd_target_elf_flavour,
+ i386_cygwin_core_osabi_sniffer);
+
+ /* The Cygwin and Windows OS ABIs are currently equivalent. */
+ gdbarch_register_osabi (bfd_arch_i386, 0, GDB_OSABI_CYGWIN,
+ i386_cygwin_init_abi);
+ gdbarch_register_osabi (bfd_arch_i386, 0, GDB_OSABI_WINDOWS,
+ i386_cygwin_init_abi);
+}
projects / deliverable / binutils-gdb.git / commitdiff
