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Preparation for new siginfo on Linux

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First add new structure and function to allow architecture customization
for the siginfo structure.

2016-01-15  Walfred Tedeschi  <walfred.tedeschi@intel.com>

gdb/ChangeLog:

	* linux-tdep.h (linux_siginfo_extra_field_values): New enum values.
	(linux_siginfo_extra_fields): New enum type.
	* linux-tdep.c (linux_get_siginfo_type_with_fields): New function.
	(linux_get_siginfo_type): Use new function.
This commit is contained in:
Walfred Tedeschi 2016-02-02 11:46:28 +01:00
parent 93813b37c8
commit 43564574f1
3 changed files with 32 additions and 3 deletions
Download patch file Download diff file Expand all files Collapse all files

7
gdb/ChangeLog
View file

@ -1,3 +1,10 @@
2016-02-02 Walfred Tedeschi <walfred.tedeschi@intel.com>
* linux-tdep.h (linux_siginfo_extra_field_values): New enum values.
(linux_siginfo_extra_fields): New enum type.
* linux-tdep.c (linux_get_siginfo_type_with_fields): New function.
(linux_get_siginfo_type): Use new function.
2016-02-02 Walfred Tedeschi <walfred.tedeschi@intel.com>
* nat/amd64-linux-siginfo.c: New file.

16
gdb/linux-tdep.c
View file

@ -243,11 +243,12 @@ get_linux_inferior_data (void)
return info;
}
/* This function is suitable for architectures that don't
extend/override the standard siginfo structure. */
/* This function is suitable for architectures that
extend/override the standard siginfo in a specific way. */
static struct type *
linux_get_siginfo_type (struct gdbarch *gdbarch)
linux_get_siginfo_type_with_fields (struct gdbarch *gdbarch,
linux_siginfo_extra_fields extra_fields)
{
struct linux_gdbarch_data *linux_gdbarch_data;
struct type *int_type, *uint_type, *long_type, *void_ptr_type;
@ -364,6 +365,15 @@ linux_get_siginfo_type (struct gdbarch *gdbarch)
return siginfo_type;
}
/* This function is suitable for architectures that don't
extend/override the standard siginfo structure. */
static struct type *
linux_get_siginfo_type (struct gdbarch *gdbarch)
{
return linux_get_siginfo_type_with_fields (gdbarch, 0);
}
/* Return true if the target is running on uClinux instead of normal
Linux kernel. */

12
gdb/linux-tdep.h
View file

@ -24,6 +24,18 @@
struct regcache;
/* Enum used to define the extra fields of the siginfo type used by an
architecture. */
enum linux_siginfo_extra_field_values
{
/* Add bound fields into the segmentation fault field. */
LINUX_SIGINFO_FIELD_ADDR_BND = 1
};
/* Defines a type for the values defined in linux_siginfo_extra_field_values. */
DEF_ENUM_FLAGS_TYPE (enum linux_siginfo_extra_field_values,
linux_siginfo_extra_fields);
typedef char *(*linux_collect_thread_registers_ftype) (const struct regcache *,
ptid_t,
bfd *, char *, int *,