1 files changed, 0 insertions, 305 deletions

diff --git a/meta-microblaze/recipes-devtools/binutils/binutils/0034-Initial-port-of-core-reading-support-Added-support-f.patch b/meta-microblaze/recipes-devtools/binutils/binutils/0034-Initial-port-of-core-reading-support-Added-support-f.patch
deleted file mode 100644
index 18a1da90..00000000
--- a/meta-microblaze/recipes-devtools/binutils/binutils/0034-Initial-port-of-core-reading-support-Added-support-f.patch
+++ /dev/null
@@ -1,305 +0,0 @@
-From 98f1df0f21b6c44eb8b5bac070a748c4a16d3f66 Mon Sep 17 00:00:00 2001
-From: Mahesh Bodapati <mbodapat@xilinx.com>
-Date: Tue, 24 Jan 2017 14:55:56 +0530
-Subject: [PATCH 34/38] Initial port of core reading support Added support for
- reading notes in linux core dumps Support for reading of PRSTATUS and PSINFO
- information for rebuilding ".reg" sections of core dumps at run time.
-
-Signed-off-by: David Holsgrove <david.holsgrove@petalogix.com>
-Signed-off-by: Nathan Rossi <nathan.rossi@petalogix.com>
-
-Conflicts:
-        gdb/microblaze-linux-tdep.c
-        gdb/microblaze-tdep.c
-Signed-off-by: Mark Hatle <mark.hatle@kernel.crashing.org>
----
- bfd/elf32-microblaze.c      | 84 +++++++++++++++++++++++++++++++++++++
- gdb/configure.tgt           |  2 +-
- gdb/microblaze-linux-tdep.c | 17 +++++++-
- gdb/microblaze-tdep.c       | 48 +++++++++++++++++++++
- gdb/microblaze-tdep.h       | 27 ++++++++++++
- 5 files changed, 176 insertions(+), 2 deletions(-)
-
-diff --git a/bfd/elf32-microblaze.c b/bfd/elf32-microblaze.c
-index f41b503cbb5..9c6d0411420 100644
---- a/bfd/elf32-microblaze.c
-+++ b/bfd/elf32-microblaze.c
-@@ -806,6 +806,87 @@ microblaze_elf_is_local_label_name (bfd *abfd, const char *name)
-   return _bfd_elf_is_local_label_name (abfd, name);
- }
- 
-+/* Support for core dump NOTE sections.  */
-+static bool
-+microblaze_elf_grok_prstatus (bfd *abfd, Elf_Internal_Note *note)
-+{
-+  int offset;
-+  unsigned int size;
-+
-+  switch (note->descsz)
-+    {
-+      default:
-+        return false;
-+
-+      case 228:         /* Linux/MicroBlaze */
-+        /* pr_cursig */
-+        elf_tdata (abfd)->core->signal = bfd_get_16 (abfd, note->descdata + 12);
-+
-+        /* pr_pid */
-+        elf_tdata (abfd)->core->pid = bfd_get_32 (abfd, note->descdata + 24);
-+
-+        /* pr_reg */
-+        offset = 72;
-+        size = 50 * 4;
-+
-+        break;
-+    }
-+
-+  /* Make a ".reg/999" section.  */
-+  return _bfd_elfcore_make_pseudosection (abfd, ".reg",
-+                                          size, note->descpos + offset);
-+}
-+
-+static bool
-+microblaze_elf_grok_psinfo (bfd *abfd, Elf_Internal_Note *note)
-+{
-+  switch (note->descsz)
-+    {
-+      default:
-+        return false;
-+
-+      case 128:         /* Linux/MicroBlaze elf_prpsinfo */
-+        elf_tdata (abfd)->core->program
-+         = _bfd_elfcore_strndup (abfd, note->descdata + 32, 16);
-+        elf_tdata (abfd)->core->command
-+         = _bfd_elfcore_strndup (abfd, note->descdata + 48, 80);
-+    }
-+
-+  /* Note that for some reason, a spurious space is tacked
-+     onto the end of the args in some (at least one anyway)
-+     implementations, so strip it off if it exists.  */
-+
-+  {
-+    char *command = elf_tdata (abfd)->core->command;
-+    int n = strlen (command);
-+
-+    if (0 < n && command[n - 1] == ' ')
-+      command[n - 1] = '\0';
-+  }
-+
-+  return true;
-+}
-+
-+/* The microblaze linker (like many others) needs to keep track of
-+   the number of relocs that it decides to copy as dynamic relocs in
-+   check_relocs for each symbol. This is so that it can later discard
-+   them if they are found to be unnecessary.  We store the information
-+   in a field extending the regular ELF linker hash table.  */
-+
-+struct elf32_mb_dyn_relocs
-+{
-+  struct elf32_mb_dyn_relocs *next;
-+
-+  /* The input section of the reloc.  */
-+  asection *sec;
-+
-+  /* Total number of relocs copied for the input section.  */
-+  bfd_size_type count;
-+
-+  /* Number of pc-relative relocs copied for the input section.  */
-+  bfd_size_type pc_count;
-+};
-+
- /* ELF linker hash entry.  */
- 
- struct elf32_mb_link_hash_entry
-@@ -3604,4 +3685,7 @@ microblaze_elf_add_symbol_hook (bfd *abfd,
- #define elf_backend_size_dynamic_sections      microblaze_elf_size_dynamic_sections
- #define elf_backend_add_symbol_hook            microblaze_elf_add_symbol_hook
- 
-+#define elf_backend_grok_prstatus               microblaze_elf_grok_prstatus
-+#define elf_backend_grok_psinfo                 microblaze_elf_grok_psinfo
-+
- #include "elf32-target.h"
-diff --git a/gdb/configure.tgt b/gdb/configure.tgt
-index 0705ccf32b8..7ea186481f3 100644
---- a/gdb/configure.tgt
-+++ b/gdb/configure.tgt
-@@ -400,7 +400,7 @@ mep-*-*)
- 
- microblaze*-linux-*|microblaze*-*-linux*)
-        # Target: Xilinx MicroBlaze running Linux
--       gdb_target_obs="microblaze-tdep.o microblaze-linux-tdep.o solib-svr4.o \
-+       gdb_target_obs="microblaze-tdep.o microblaze-linux-tdep.o solib-svr4.o glibc-tdep.o \
-                        symfile-mem.o linux-tdep.o"
-        ;;
- microblaze*-*-*)
-diff --git a/gdb/microblaze-linux-tdep.c b/gdb/microblaze-linux-tdep.c
-index 5748556a556..1e1f03fc154 100644
---- a/gdb/microblaze-linux-tdep.c
-+++ b/gdb/microblaze-linux-tdep.c
-@@ -36,6 +36,7 @@
- #include "frame-unwind.h"
- #include "tramp-frame.h"
- #include "linux-tdep.h"
-+#include "glibc-tdep.h"
- 
- static int microblaze_debug_flag = 0;
- 
-@@ -135,13 +136,16 @@ static struct tramp_frame microblaze_linux_sighandler_tramp_frame =
-   microblaze_linux_sighandler_cache_init
- };
- 
--
- static void
- microblaze_linux_init_abi (struct gdbarch_info info,
-                           struct gdbarch *gdbarch)
- {
-+  struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
-+
-+  tdep->sizeof_gregset = 200;
-   linux_init_abi (info, gdbarch, 0);
- 
-+
-   set_gdbarch_memory_remove_breakpoint (gdbarch,
-                                        microblaze_linux_memory_remove_breakpoint);
- 
-@@ -153,6 +157,17 @@ microblaze_linux_init_abi (struct gdbarch_info info,
-   tramp_frame_prepend_unwinder (gdbarch,
-                                &microblaze_linux_sighandler_tramp_frame);
- 
-+  /* BFD target for core files.  */
-+  if (gdbarch_byte_order (gdbarch) == BFD_ENDIAN_BIG)
-+    set_gdbarch_gcore_bfd_target (gdbarch, "elf32-microblaze");
-+  else
-+    set_gdbarch_gcore_bfd_target (gdbarch, "elf32-microblazeel");
-+
-+
-+  /* Shared library handling.  */
-+  set_gdbarch_skip_trampoline_code (gdbarch, find_solib_trampoline_target);
-+  set_gdbarch_skip_solib_resolver (gdbarch, glibc_skip_solib_resolver);
-+
-   /* Enable TLS support.  */
-   set_gdbarch_fetch_tls_load_module_address (gdbarch,
-                                              svr4_fetch_objfile_link_map);
-diff --git a/gdb/microblaze-tdep.c b/gdb/microblaze-tdep.c
-index 3e8e8fe35b9..31005332104 100644
---- a/gdb/microblaze-tdep.c
-+++ b/gdb/microblaze-tdep.c
-@@ -666,6 +666,43 @@ microblaze_register_g_packet_guesses (struct gdbarch *gdbarch)
-                                  tdesc_microblaze_with_stack_protect);
- }
- 
-+void
-+microblaze_supply_gregset (const struct regset *regset,
-+                        struct regcache *regcache,
-+                        int regnum, const void *gregs)
-+{
-+  const unsigned int *regs = (const unsigned int *)gregs;
-+  if (regnum >= 0)
-+    regcache->raw_supply (regnum, regs + regnum);
-+
-+  if (regnum == -1) {
-+    int i;
-+
-+    for (i = 0; i < 50; i++) {
-+      regcache->raw_supply (i, regs + i);
-+    }
-+  }
-+}
-+
-+
-+/* Return the appropriate register set for the core section identified
-+   by SECT_NAME and SECT_SIZE.  */
-+
-+static void
-+microblaze_iterate_over_regset_sections (struct gdbarch *gdbarch,
-+                                     iterate_over_regset_sections_cb *cb,
-+                                     void *cb_data,
-+                                     const struct regcache *regcache)
-+{
-+  struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
-+
-+  cb(".reg", tdep->sizeof_gregset, tdep->sizeof_gregset, tdep->gregset, NULL, cb_data);
-+
-+  cb(".reg2", tdep->sizeof_fpregset, tdep->sizeof_fpregset, tdep->fpregset, NULL, cb_data);
-+}
-+
-+
-+
- static struct gdbarch *
- microblaze_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
- {
-@@ -718,6 +755,10 @@ microblaze_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
-   microblaze_gdbarch_tdep *tdep = new microblaze_gdbarch_tdep;
-   gdbarch = gdbarch_alloc (&info, tdep);
- 
-+  tdep->gregset = NULL;
-+  tdep->sizeof_gregset = 0;
-+  tdep->fpregset = NULL;
-+  tdep->sizeof_fpregset = 0;
-   set_gdbarch_long_double_bit (gdbarch, 128);
- 
-   set_gdbarch_num_regs (gdbarch, MICROBLAZE_NUM_REGS);
-@@ -766,6 +807,13 @@ microblaze_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
-   frame_base_append_sniffer (gdbarch, dwarf2_frame_base_sniffer);
-   if (tdesc_data != NULL)
-     tdesc_use_registers (gdbarch, tdesc, std::move (tdesc_data));
-+  //frame_base_append_sniffer (gdbarch, microblaze_frame_sniffer);
-+
-+  /* If we have register sets, enable the generic core file support.  */
-+  if (tdep->gregset) {
-+    set_gdbarch_iterate_over_regset_sections (gdbarch,
-+                                          microblaze_iterate_over_regset_sections);
-+  }
- 
-   return gdbarch;
- }
-diff --git a/gdb/microblaze-tdep.h b/gdb/microblaze-tdep.h
-index 53fcb2297e6..6f5bd5903a7 100644
---- a/gdb/microblaze-tdep.h
-+++ b/gdb/microblaze-tdep.h
-@@ -23,8 +23,22 @@
- #include "gdbarch.h"
- 
- /* Microblaze architecture-specific information.  */
-+struct microblaze_gregset
-+{
-+  unsigned int gregs[32];
-+  unsigned int fpregs[32];
-+  unsigned int pregs[16];
-+};
-+
- struct microblaze_gdbarch_tdep : gdbarch_tdep
- {
-+  int dummy;           // declare something.
-+
-+  /* Register sets.  */
-+  struct regset *gregset;
-+  size_t sizeof_gregset;
-+  struct regset *fpregset;
-+  size_t sizeof_fpregset;
- };
- 
- /* Register numbers.  */
-@@ -121,5 +135,18 @@ struct microblaze_frame_cache
- #define MICROBLAZE_BREAKPOINT {0xba, 0x0c, 0x00, 0x18}
- #define MICROBLAZE_BREAKPOINT_LE {0x18, 0x00, 0x0c, 0xba}
- 
-+extern void microblaze_supply_gregset (const struct regset *regset,
-+                                    struct regcache *regcache,
-+                                    int regnum, const void *gregs);
-+extern void microblaze_collect_gregset (const struct regset *regset,
-+                                     const struct regcache *regcache,
-+                                     int regnum, void *gregs);
-+extern void microblaze_supply_fpregset (struct regcache *regcache,
-+                                     int regnum, const void *fpregs);
-+extern void microblaze_collect_fpregset (const struct regcache *regcache,
-+                                      int regnum, void *fpregs);
-+
-+extern const struct regset * microblaze_regset_from_core_section (struct gdbarch *gdbarch,
-+                                     const char *sect_name, size_t sect_size);
- 
- #endif /* microblaze-tdep.h */
--- 
-2.25.1
-