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Make linux_get_siginfo_type `type *' unique.
	* linux-tdep.c (linux_gdbarch_data_handle, struct linux_gdbarch_data)
	(init_linux_gdbarch_data, get_linux_gdbarch_data): New.
	(linux_get_siginfo_type): New variable linux_gdbarch_data.  Initialize
	it.  Use linux_gdbarch_data->siginfo_type as a persistent storage.
	(_initialize_linux_tdep): New.
This commit is contained in:
Jan Kratochvil 2010-08-31 18:11:48 +00:00
parent b8edc417a7
commit 06253dd31f
2 changed files with 42 additions and 0 deletions
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9
gdb/ChangeLog
View File

@ -1,3 +1,12 @@
2010-08-31 Jan Kratochvil <jan.kratochvil@redhat.com>
Make linux_get_siginfo_type `type *' unique.
* linux-tdep.c (linux_gdbarch_data_handle, struct linux_gdbarch_data)
(init_linux_gdbarch_data, get_linux_gdbarch_data): New.
(linux_get_siginfo_type): New variable linux_gdbarch_data. Initialize
it. Use linux_gdbarch_data->siginfo_type as a persistent storage.
(_initialize_linux_tdep): New.
2010-08-31 Jan Kratochvil <jan.kratochvil@redhat.com>
Code cleanup.

33
gdb/linux-tdep.c
View File

@ -25,18 +25,42 @@
#include "elf/common.h"
#include "inferior.h"
static struct gdbarch_data *linux_gdbarch_data_handle;
struct linux_gdbarch_data
{
struct type *siginfo_type;
};
static void *
init_linux_gdbarch_data (struct gdbarch *gdbarch)
{
return GDBARCH_OBSTACK_ZALLOC (gdbarch, struct linux_gdbarch_data);
}
static struct linux_gdbarch_data *
get_linux_gdbarch_data (struct gdbarch *gdbarch)
{
return gdbarch_data (gdbarch, linux_gdbarch_data_handle);
}
/* This function is suitable for architectures that don't
extend/override the standard siginfo structure. */
struct type *
linux_get_siginfo_type (struct gdbarch *gdbarch)
{
struct linux_gdbarch_data *linux_gdbarch_data;
struct type *int_type, *uint_type, *long_type, *void_ptr_type;
struct type *uid_type, *pid_type;
struct type *sigval_type, *clock_type;
struct type *siginfo_type, *sifields_type;
struct type *type;
linux_gdbarch_data = get_linux_gdbarch_data (gdbarch);
if (linux_gdbarch_data->siginfo_type != NULL)
return linux_gdbarch_data->siginfo_type;
int_type = arch_integer_type (gdbarch, gdbarch_int_bit (gdbarch),
0, "int");
uint_type = arch_integer_type (gdbarch, gdbarch_int_bit (gdbarch),
@ -136,6 +160,8 @@ linux_get_siginfo_type (struct gdbarch *gdbarch)
"_sifields", sifields_type,
TYPE_LENGTH (long_type));
linux_gdbarch_data->siginfo_type = siginfo_type;
return siginfo_type;
}
@ -178,3 +204,10 @@ linux_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
{
set_gdbarch_core_pid_to_str (gdbarch, linux_core_pid_to_str);
}
void
_initialize_linux_tdep (void)
{
linux_gdbarch_data_handle =
gdbarch_data_register_post_init (init_linux_gdbarch_data);
}