/* Target-dependent code for Cygwin running on i386's, for GDB.
- Copyright (C) 2003, 2007, 2008, 2009 Free Software Foundation, Inc.
+ Copyright (C) 2003-2019 Free Software Foundation, Inc.
This file is part of GDB.
#include "defs.h"
#include "osabi.h"
-#include "gdb_string.h"
#include "i386-tdep.h"
#include "windows-tdep.h"
#include "regset.h"
#include "gdb_obstack.h"
#include "xml-support.h"
#include "gdbcore.h"
-#include "solib.h"
-#include "solib-target.h"
+#include "inferior.h"
/* Core file support. */
/* This vector maps GDB's idea of a register's number into an address
- in the win32 exception context vector. */
+ in the windows exception context vector. */
-static int i386_win32_gregset_reg_offset[] =
+static int i386_windows_gregset_reg_offset[] =
{
176, /* eax */
172, /* ecx */
228 /* ExtendedRegisters[24] */
};
-#define I386_WIN32_SIZEOF_GREGSET 716
-
-/* Return the appropriate register set for the core section identified
- by SECT_NAME and SECT_SIZE. */
-
-static const struct regset *
-i386_win32_regset_from_core_section (struct gdbarch *gdbarch,
- const char *sect_name, size_t sect_size)
-{
- struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
-
- if (strcmp (sect_name, ".reg") == 0
- && sect_size == I386_WIN32_SIZEOF_GREGSET)
- {
- if (tdep->gregset == NULL)
- tdep->gregset = regset_alloc (gdbarch, i386_supply_gregset,
- i386_collect_gregset);
- return tdep->gregset;
- }
-
- return NULL;
-}
+#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 = 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;
- char *buf = NULL;
+ gdb_byte *buf = NULL;
- if (strncmp (sect->name, ".module", 7) != 0)
+ if (!startswith (sect->name, ".module"))
return;
- buf = xmalloc (bfd_get_section_size (sect) + 1);
+ 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_get_section_size (sect)))
+ buf, 0, bfd_section_size (sect)))
goto out;
- /* A DWORD (data_type) followed by struct win32_core_module_info. */
+ /* A DWORD (data_type) followed by struct windows_core_module_info. */
base_addr =
- extract_unsigned_integer (buf + 4, 4);
+ extract_unsigned_integer (buf + 4, 4, byte_order);
module_name_size =
- extract_unsigned_integer (buf + 8, 4);
+ extract_unsigned_integer (buf + 8, 4, byte_order);
- module_name = buf + 12;
- if (module_name - buf + module_name_size > bfd_get_section_size (sect))
+ 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)
- win32_xfer_shared_library (module_name, base_addr, data->obstack);
+ windows_xfer_shared_library (module_name, base_addr,
+ data->gdbarch, data->obstack);
data->module_count++;
out:
return;
}
-static LONGEST
-win32_core_xfer_shared_libraries (struct gdbarch *gdbarch,
+static ULONGEST
+windows_core_xfer_shared_libraries (struct gdbarch *gdbarch,
gdb_byte *readbuf,
- ULONGEST offset, LONGEST len)
+ ULONGEST offset, ULONGEST len)
{
struct obstack obstack;
const char *buf;
- LONGEST len_avail;
- struct cpms_data data = { &obstack, 0 };
+ ULONGEST len_avail;
+ struct cpms_data data = { gdbarch, &obstack, 0 };
obstack_init (&obstack);
obstack_grow_str (&obstack, "<library-list>\n");
&data);
obstack_grow_str0 (&obstack, "</library-list>\n");
- buf = obstack_finish (&obstack);
+ buf = (const char *) obstack_finish (&obstack);
len_avail = strlen (buf);
if (offset >= len_avail)
return 0;
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 (pc, NULL);
+ return i386_pe_skip_trampoline_code (frame, pc, NULL);
+}
+
+static const char *
+i386_cygwin_auto_wide_charset (void)
+{
+ return "UTF-16";
}
static void
{
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_win32_gregset_reg_offset;
- tdep->gregset_num_regs = ARRAY_SIZE (i386_win32_gregset_reg_offset);
- tdep->sizeof_gregset = I386_WIN32_SIZEOF_GREGSET;
+ 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;
- set_solib_ops (gdbarch, &solib_target_so_ops);
+ tdep->sizeof_fpregset = 0;
/* Core file support. */
- set_gdbarch_regset_from_core_section
- (gdbarch, i386_win32_regset_from_core_section);
set_gdbarch_core_xfer_shared_libraries
- (gdbarch, win32_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)
{
- char *target_name = bfd_get_target (abfd);
+ const char *target_name = bfd_get_target (abfd);
- /* Interix also uses pei-i386.
- We need a way to distinguish between the two. */
if (strcmp (target_name, "pei-i386") == 0)
return GDB_OSABI_CYGWIN;
{
asection *section = bfd_get_section_by_name (abfd, ".reg");
if (section
- && bfd_section_size (abfd, section) == I386_WIN32_SIZEOF_GREGSET)
+ && bfd_section_size (section) == I386_WINDOWS_SIZEOF_GREGSET)
return GDB_OSABI_CYGWIN;
}
return GDB_OSABI_UNKNOWN;
}
-/* Provide a prototype to silence -Wmissing-prototypes. */
-void _initialize_i386_cygwin_tdep (void);
-
void
_initialize_i386_cygwin_tdep (void)
{
projects / thirdparty / binutils-gdb.git / blobdiff