diff options
Diffstat (limited to 'package/gdb/7.9.1/0004-xtensa-implement-NPTL-helpers.patch')
| -rw-r--r-- | package/gdb/7.9.1/0004-xtensa-implement-NPTL-helpers.patch | 267 |
1 files changed, 0 insertions, 267 deletions
diff --git a/package/gdb/7.9.1/0004-xtensa-implement-NPTL-helpers.patch b/package/gdb/7.9.1/0004-xtensa-implement-NPTL-helpers.patch deleted file mode 100644 index e7bc74ea53..0000000000 --- a/package/gdb/7.9.1/0004-xtensa-implement-NPTL-helpers.patch +++ /dev/null @@ -1,267 +0,0 @@ -From d4eb69fc4b50f9a0babd70b28d0601b40f31bd0f Mon Sep 17 00:00:00 2001 -From: Max Filippov <jcmvbkbc@gmail.com> -Date: Thu, 2 Jul 2015 15:10:58 +0300 -Subject: [PATCH] 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. - -Signed-off-by: Max Filippov <jcmvbkbc@gmail.com> ---- -Backported from: 40045d91812b25c88c8275b8c08d27c234b68ba8 -Changes to ChangeLog files are dropped. - - gdb/arch/xtensa.h | 46 ++++++++++++++++++++++++++++++++++++++++ - gdb/gdbserver/configure.srv | 1 + - gdb/gdbserver/linux-xtensa-low.c | 21 ++++++++++++++++++ - gdb/xtensa-linux-nat.c | 22 ++++++++++++++++++ - gdb/xtensa-linux-tdep.c | 4 ++++ - gdb/xtensa-tdep.c | 4 ++++ - gdb/xtensa-tdep.h | 24 ++------------------ - 7 files changed, 100 insertions(+), 22 deletions(-) - create mode 100644 gdb/arch/xtensa.h - -diff --git a/gdb/arch/xtensa.h b/gdb/arch/xtensa.h -new file mode 100644 -index 0000000..fe96584 ---- /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 -diff --git a/gdb/gdbserver/configure.srv b/gdb/gdbserver/configure.srv -index 0b18d1d..320c26a 100644 ---- a/gdb/gdbserver/configure.srv -+++ b/gdb/gdbserver/configure.srv -@@ -352,6 +352,7 @@ case "${target}" in - xtensa*-*-linux*) srv_regobj=reg-xtensa.o - srv_tgtobj="$srv_linux_obj linux-xtensa-low.o" - srv_linux_regsets=yes -+ srv_linux_thread_db=yes - ;; - tilegx-*-linux*) srv_regobj=reg-tilegx.o - srv_regobj="${srv_regobj} reg-tilegx32.o" -diff --git a/gdb/gdbserver/linux-xtensa-low.c b/gdb/gdbserver/linux-xtensa-low.c -index 4daccee..debe467 100644 ---- a/gdb/gdbserver/linux-xtensa-low.c -+++ b/gdb/gdbserver/linux-xtensa-low.c -@@ -26,6 +26,8 @@ extern const struct target_desc *tdesc_xtensa; - - #include <asm/ptrace.h> - #include <xtensa-config.h> -+#include "arch/xtensa.h" -+#include "gdb_proc_service.h" - - #include "xtensa-xtregs.c" - -@@ -179,6 +181,25 @@ xtensa_breakpoint_at (CORE_ADDR where) - xtensa_breakpoint, xtensa_breakpoint_len) == 0; - } - -+/* Called by libthread_db. */ -+ -+ps_err_e -+ps_get_thread_area (const struct ps_prochandle *ph, -+ lwpid_t lwpid, int idx, void **base) -+{ -+ xtensa_elf_gregset_t regs; -+ -+ if (ptrace (PTRACE_GETREGS, lwpid, NULL, ®s) != 0) -+ return PS_ERR; -+ -+ /* IDX is the bias from the thread pointer to the beginning of the -+ thread descriptor. It has to be subtracted due to implementation -+ quirks in libthread_db. */ -+ *base = (void *) ((char *) regs.threadptr - idx); -+ -+ return PS_OK; -+} -+ - static struct regsets_info xtensa_regsets_info = - { - xtensa_regsets, /* regsets */ -diff --git a/gdb/xtensa-linux-nat.c b/gdb/xtensa-linux-nat.c -index 77ad3e0..5538d5b 100644 ---- a/gdb/xtensa-linux-nat.c -+++ b/gdb/xtensa-linux-nat.c -@@ -37,6 +37,9 @@ - #include "gregset.h" - #include "xtensa-tdep.h" - -+/* Defines ps_err_e, struct ps_prochandle. */ -+#include "gdb_proc_service.h" -+ - /* Extended register set depends on hardware configs. - Keeping these definitions separately allows to introduce - hardware-specific overlays. */ -@@ -280,6 +283,25 @@ xtensa_linux_store_inferior_registers (struct target_ops *ops, - store_xtregs (regcache, regnum); - } - -+/* Called by libthread_db. */ -+ -+ps_err_e -+ps_get_thread_area (const struct ps_prochandle *ph, -+ lwpid_t lwpid, int idx, void **base) -+{ -+ xtensa_elf_gregset_t regs; -+ -+ if (ptrace (PTRACE_GETREGS, lwpid, NULL, ®s) != 0) -+ return PS_ERR; -+ -+ /* IDX is the bias from the thread pointer to the beginning of the -+ thread descriptor. It has to be subtracted due to implementation -+ quirks in libthread_db. */ -+ *base = (void *) ((char *) regs.threadptr - idx); -+ -+ return PS_OK; -+} -+ - void _initialize_xtensa_linux_nat (void); - - void -diff --git a/gdb/xtensa-linux-tdep.c b/gdb/xtensa-linux-tdep.c -index 61ea9b0..99e0d3e 100644 ---- a/gdb/xtensa-linux-tdep.c -+++ b/gdb/xtensa-linux-tdep.c -@@ -106,6 +106,10 @@ xtensa_linux_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch) - xtensa_linux_gdb_signal_from_target); - set_gdbarch_gdb_signal_to_target (gdbarch, - xtensa_linux_gdb_signal_to_target); -+ -+ /* Enable TLS support. */ -+ set_gdbarch_fetch_tls_load_module_address (gdbarch, -+ svr4_fetch_objfile_link_map); - } - - /* Provide a prototype to silence -Wmissing-prototypes. */ -diff --git a/gdb/xtensa-tdep.c b/gdb/xtensa-tdep.c -index 55e7d98..4b693ed 100644 ---- a/gdb/xtensa-tdep.c -+++ b/gdb/xtensa-tdep.c -@@ -28,6 +28,7 @@ - #include "value.h" - #include "dis-asm.h" - #include "inferior.h" -+#include "osabi.h" - #include "floatformat.h" - #include "regcache.h" - #include "reggroups.h" -@@ -3273,6 +3274,9 @@ xtensa_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches) - set_solib_svr4_fetch_link_map_offsets - (gdbarch, svr4_ilp32_fetch_link_map_offsets); - -+ /* Hook in the ABI-specific overrides, if they have been registered. */ -+ gdbarch_init_osabi (info, gdbarch); -+ - return gdbarch; - } - -diff --git a/gdb/xtensa-tdep.h b/gdb/xtensa-tdep.h -index caa2988..5b28cab 100644 ---- a/gdb/xtensa-tdep.h -+++ b/gdb/xtensa-tdep.h -@@ -18,6 +18,8 @@ - along with this program. If not, see <http://www.gnu.org/licenses/>. */ - - -+#include "arch/xtensa.h" -+ - /* XTENSA_TDEP_VERSION can/should be changed along with XTENSA_CONFIG_VERSION - whenever the "tdep" structure changes in an incompatible way. */ - -@@ -81,28 +83,6 @@ typedef enum - } xtensa_target_flags_t; - - --/* 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 reserved[8+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)) -- - /* Mask. */ - - typedef struct --- -1.8.1.4 - |
