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[binutils-gdb] Use linux_get_siginfo_type_with_fields for x86
- From: Walfred Tedeschi <wtedeschi at sourceware dot org>
- To: gdb-cvs at sourceware dot org
- Date: 2 Feb 2016 10:51:56 -0000
- Subject: [binutils-gdb] Use linux_get_siginfo_type_with_fields for x86
https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=190b495d472576db66a8727d5872fcca3d5519c6
commit 190b495d472576db66a8727d5872fcca3d5519c6
Author: Walfred Tedeschi <walfred.tedeschi@intel.com>
Date: Tue Feb 2 11:50:17 2016 +0100
Use linux_get_siginfo_type_with_fields for x86
Use linux_get_siginfo_type_with_fields for adding bound fields on
segmentation fault for i386/amd64 siginfo.
2016-02-02 Walfred Tedeschi <walfred.tedeschi@intel.com>
gdb/ChangeLog:
* linux-tdep.h (linux_get_siginfo_type_with_fields): Make extern.
* linux-tdep.c (linux_get_siginfo_type_with_fields): Make extern.
* i386-linux-tdep.h (x86_linux_get_siginfo_type): New
function.
* amd64-linux-tdep.c (amd64_linux_init_abi_common): Add
x86_linux_get_siginfo_type for the amd64 abi.
* i386-linux-tdep.c (x86_linux_get_siginfo_type): New
function.
(i386_linux_init_abi): Add new function at the i386 ABI
initialization.
Diff:
---
gdb/ChangeLog | 14 ++++++++++++++
gdb/amd64-linux-tdep.c | 2 ++
gdb/i386-linux-tdep.c | 8 ++++++++
gdb/i386-linux-tdep.h | 3 +++
gdb/linux-tdep.c | 5 ++---
gdb/linux-tdep.h | 5 +++++
6 files changed, 34 insertions(+), 3 deletions(-)
diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index 89526e5..25f7f16 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,5 +1,19 @@
2016-02-02 Walfred Tedeschi <walfred.tedeschi@intel.com>
+ * linux-tdep.h (linux_get_siginfo_type_with_fields): Make extern.
+ * linux-tdep.c (linux_get_siginfo_type_with_fields): Make extern.
+ * i386-linux-tdep.h (x86_linux_get_siginfo_type): New
+ function.
+ * amd64-linux-tdep.c (amd64_linux_init_abi_common): Add
+ x86_linux_get_siginfo_type for the amd64 abi.
+ * i386-linux-tdep.c (x86_linux_get_siginfo_type): New
+ function.
+ (i386_linux_init_abi): Add new function at the i386 ABI
+ initialization.
+
+
+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.
diff --git a/gdb/amd64-linux-tdep.c b/gdb/amd64-linux-tdep.c
index b948ea7..21bcd99 100644
--- a/gdb/amd64-linux-tdep.c
+++ b/gdb/amd64-linux-tdep.c
@@ -1838,6 +1838,8 @@ amd64_linux_init_abi_common(struct gdbarch_info info, struct gdbarch *gdbarch)
set_gdbarch_process_record (gdbarch, i386_process_record);
set_gdbarch_process_record_signal (gdbarch, amd64_linux_record_signal);
+
+ set_gdbarch_get_siginfo_type (gdbarch, x86_linux_get_siginfo_type);
}
static void
diff --git a/gdb/i386-linux-tdep.c b/gdb/i386-linux-tdep.c
index 1e491e7..af39e78 100644
--- a/gdb/i386-linux-tdep.c
+++ b/gdb/i386-linux-tdep.c
@@ -656,6 +656,12 @@ i386_linux_supply_xstateregset (const struct regset *regset,
i387_supply_xsave (regcache, regnum, xstateregs);
}
+struct type *
+x86_linux_get_siginfo_type (struct gdbarch *gdbarch)
+{
+ return linux_get_siginfo_type_with_fields (gdbarch, LINUX_SIGINFO_FIELD_ADDR_BND);
+}
+
/* Similar to i386_collect_fpregset, but use XSAVE extended state. */
static void
@@ -994,6 +1000,8 @@ i386_linux_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
set_xml_syscall_file_name (gdbarch, XML_SYSCALL_FILENAME_I386);
set_gdbarch_get_syscall_number (gdbarch,
i386_linux_get_syscall_number);
+
+ set_gdbarch_get_siginfo_type (gdbarch, x86_linux_get_siginfo_type);
}
/* Provide a prototype to silence -Wmissing-prototypes. */
diff --git a/gdb/i386-linux-tdep.h b/gdb/i386-linux-tdep.h
index ee6abff..ecc9e31 100644
--- a/gdb/i386-linux-tdep.h
+++ b/gdb/i386-linux-tdep.h
@@ -72,4 +72,7 @@ extern struct target_desc *tdesc_i386_avx512_linux;
extern int i386_linux_gregset_reg_offset[];
+/* Return x86 siginfo type. */
+extern struct type *x86_linux_get_siginfo_type (struct gdbarch *gdbarch);
+
#endif /* i386-linux-tdep.h */
diff --git a/gdb/linux-tdep.c b/gdb/linux-tdep.c
index 3757306..cfbec40 100644
--- a/gdb/linux-tdep.c
+++ b/gdb/linux-tdep.c
@@ -243,10 +243,9 @@ get_linux_inferior_data (void)
return info;
}
-/* This function is suitable for architectures that
- extend/override the standard siginfo in a specific way. */
+/* See linux-tdep.h. */
-static struct type *
+struct type *
linux_get_siginfo_type_with_fields (struct gdbarch *gdbarch,
linux_siginfo_extra_fields extra_fields)
{
diff --git a/gdb/linux-tdep.h b/gdb/linux-tdep.h
index b2680f8..2da7de4 100644
--- a/gdb/linux-tdep.h
+++ b/gdb/linux-tdep.h
@@ -36,6 +36,11 @@ enum linux_siginfo_extra_field_values
DEF_ENUM_FLAGS_TYPE (enum linux_siginfo_extra_field_values,
linux_siginfo_extra_fields);
+/* This function is suitable for architectures that
+ extend/override the standard siginfo in a specific way. */
+struct type *linux_get_siginfo_type_with_fields (struct gdbarch *gdbarch,
+ linux_siginfo_extra_fields);
+
typedef char *(*linux_collect_thread_registers_ftype) (const struct regcache *,
ptid_t,
bfd *, char *, int *,