aboutsummaryrefslogtreecommitdiff
path: root/gdb/arch
diff options
context:
space:
mode:
authorMax Filippov <jcmvbkbc@gmail.com>2015-07-02 15:10:58 +0300
committerMax Filippov <jcmvbkbc@gmail.com>2015-08-21 15:39:40 +0300
commit40045d91812b25c88c8275b8c08d27c234b68ba8 (patch)
tree77fd1aad5678f40d99e53dd42940555426e3f5be /gdb/arch
parentab4e4ed5dabc378c06ee647afd5793513393ae3f (diff)
downloadgdb-40045d91812b25c88c8275b8c08d27c234b68ba8.zip
gdb-40045d91812b25c88c8275b8c08d27c234b68ba8.tar.gz
gdb-40045d91812b25c88c8275b8c08d27c234b68ba8.tar.bz2
xtensa: implement NPTL helpers
These changes allow debugging multithreaded NPTL xtensa applications. 2015-08-20 Max Filippov <jcmvbkbc@gmail.com> gdb/gdbserver/ * configure.srv (xtensa*-*-linux*): Add srv_linux_thread_db=yes. * linux-xtensa-low.c (arch/xtensa.h gdb_proc_service.h): New #includes. (ps_get_thread_area): New function. 2015-08-20 Max Filippov <jcmvbkbc@gmail.com> gdb/ * arch/xtensa.h: New file. * xtensa-linux-nat.c (gdb_proc_service.h): New #include. (ps_get_thread_area): New function. * xtensa-linux-tdep.c (xtensa_linux_init_abi): Add call to set_gdbarch_fetch_tls_load_module_address to enable TLS support. * xtensa-tdep.c (osabi.h): New #include. (xtensa_gdbarch_init): Call gdbarch_init_osabi to register xtensa-specific hooks. * xtensa-tdep.h (struct xtensa_elf_gregset_t): Add threadptr member and move the structure to arch/xtensa.h.
Diffstat (limited to 'gdb/arch')
-rw-r--r--gdb/arch/xtensa.h46
1 files changed, 46 insertions, 0 deletions
diff --git a/gdb/arch/xtensa.h b/gdb/arch/xtensa.h
new file mode 100644
index 0000000..6a78c96
--- /dev/null
+++ b/gdb/arch/xtensa.h
@@ -0,0 +1,46 @@
+/* Common Target-dependent code for the Xtensa port of GDB, the GNU debugger.
+
+ Copyright (C) 2003-2015 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/>. */
+
+#ifndef XTENSA_H
+#define XTENSA_H
+
+/* Xtensa ELF core file register set representation ('.reg' section).
+ Copied from target-side ELF header <xtensa/elf.h>. */
+
+typedef uint32_t xtensa_elf_greg_t;
+
+typedef struct
+{
+ xtensa_elf_greg_t pc;
+ xtensa_elf_greg_t ps;
+ xtensa_elf_greg_t lbeg;
+ xtensa_elf_greg_t lend;
+ xtensa_elf_greg_t lcount;
+ xtensa_elf_greg_t sar;
+ xtensa_elf_greg_t windowstart;
+ xtensa_elf_greg_t windowbase;
+ xtensa_elf_greg_t threadptr;
+ xtensa_elf_greg_t reserved[7+48];
+ xtensa_elf_greg_t ar[64];
+} xtensa_elf_gregset_t;
+
+#define XTENSA_ELF_NGREG (sizeof (xtensa_elf_gregset_t) \
+ / sizeof (xtensa_elf_greg_t))
+
+#endif