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Diffstat (limited to 'meta-xilinx-bsp/recipes-microblaze/gdb/files/0003-Patch-microblaze-Initial-port-of-microblaze-core-rea.patch')
-rw-r--r--meta-xilinx-bsp/recipes-microblaze/gdb/files/0003-Patch-microblaze-Initial-port-of-microblaze-core-rea.patch384
1 files changed, 0 insertions, 384 deletions
diff --git a/meta-xilinx-bsp/recipes-microblaze/gdb/files/0003-Patch-microblaze-Initial-port-of-microblaze-core-rea.patch b/meta-xilinx-bsp/recipes-microblaze/gdb/files/0003-Patch-microblaze-Initial-port-of-microblaze-core-rea.patch
deleted file mode 100644
index 5d856408..00000000
--- a/meta-xilinx-bsp/recipes-microblaze/gdb/files/0003-Patch-microblaze-Initial-port-of-microblaze-core-rea.patch
+++ /dev/null
@@ -1,384 +0,0 @@
-From da27c7161c676550f5fe8a4e0f7f395e5e0d4770 Mon Sep 17 00:00:00 2001
-From: David Holsgrove <david.holsgrove@petalogix.com>
-Date: Fri, 18 May 2012 11:49:50 +1000
-Subject: [PATCH 03/16] [Patch, microblaze]: Initial port of microblaze 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@xilinx.com>
-Signed-off-by: Nathan Rossi <nathan.rossi@xilinx.com>
-Upstream-Status: Pending
----
- bfd/elf32-microblaze.c | 64 ++++++++++++++++++++++++++++++++
- gdb/configure.tgt | 2 +-
- gdb/microblaze-linux-tdep.c | 61 +++++++++++++++++++++++++++++++
- gdb/microblaze-tdep.c | 89 +++++++++++++++++++++++++++++++++++++++++++++
- gdb/microblaze-tdep.h | 28 ++++++++++++++
- 5 files changed, 243 insertions(+), 1 deletion(-)
-
-diff --git a/bfd/elf32-microblaze.c b/bfd/elf32-microblaze.c
-index 9837b18..cbd18f0 100644
---- a/bfd/elf32-microblaze.c
-+++ b/bfd/elf32-microblaze.c
-@@ -668,6 +668,67 @@ 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 bfd_boolean
-+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 bfd_boolean
-+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
-@@ -3506,4 +3567,7 @@ 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 01311b2..9297c56 100644
---- a/gdb/configure.tgt
-+++ b/gdb/configure.tgt
-@@ -340,7 +340,7 @@ mep-*-*)
-
- microblaze*-linux-*|microblaze*-*-linux*)
- # Target: Xilinx MicroBlaze running Linux
-- gdb_target_obs="microblaze-tdep.o microblaze-linux-tdep.o microblaze-rom.o \
-+ gdb_target_obs="microblaze-tdep.o microblaze-linux-tdep.o microblaze-rom.o glibc-tdep.o \
- monitor.o dsrec.o solib-svr4.o symfile-mem.o linux-tdep.o"
- gdb_sim=../sim/microblaze/libsim.a
- ;;
-diff --git a/gdb/microblaze-linux-tdep.c b/gdb/microblaze-linux-tdep.c
-index 8d360eb..7e6b61b 100644
---- a/gdb/microblaze-linux-tdep.c
-+++ b/gdb/microblaze-linux-tdep.c
-@@ -32,6 +32,7 @@
- #include "regset.h"
- #include "solib-svr4.h"
- #include "microblaze-tdep.h"
-+#include "glibc-tdep.h"
- #include "trad-frame.h"
- #include "frame-unwind.h"
- #include "tramp-frame.h"
-@@ -116,6 +117,43 @@ static struct tramp_frame microblaze_linux_sighandler_tramp_frame =
- microblaze_linux_sighandler_cache_init
- };
-
-+const struct microblaze_gregset microblaze_linux_core_gregset;
-+
-+static void
-+microblaze_linux_supply_core_gregset (const struct regset *regset,
-+ struct regcache *regcache,
-+ int regnum, const void *gregs, size_t len)
-+{
-+ microblaze_supply_gregset (&microblaze_linux_core_gregset, regcache,
-+ regnum, gregs);
-+}
-+
-+static void
-+microblaze_linux_collect_core_gregset (const struct regset *regset,
-+ const struct regcache *regcache,
-+ int regnum, void *gregs, size_t len)
-+{
-+ microblaze_collect_gregset (&microblaze_linux_core_gregset, regcache,
-+ regnum, gregs);
-+}
-+
-+static void
-+microblaze_linux_supply_core_fpregset (const struct regset *regset,
-+ struct regcache *regcache,
-+ int regnum, const void *fpregs, size_t len)
-+{
-+ /* FIXME. */
-+ microblaze_supply_fpregset (regcache, regnum, fpregs);
-+}
-+
-+static void
-+microblaze_linux_collect_core_fpregset (const struct regset *regset,
-+ const struct regcache *regcache,
-+ int regnum, void *fpregs, size_t len)
-+{
-+ /* FIXME. */
-+ microblaze_collect_fpregset (regcache, regnum, fpregs);
-+}
-
- static void
- microblaze_linux_init_abi (struct gdbarch_info info,
-@@ -123,6 +161,10 @@ microblaze_linux_init_abi (struct gdbarch_info info,
- {
- struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
-
-+ tdep->gregset = regset_alloc (gdbarch, microblaze_linux_supply_core_gregset,
-+ microblaze_linux_collect_core_gregset);
-+ tdep->sizeof_gregset = 200;
-+
- linux_init_abi (info, gdbarch);
-
- set_gdbarch_memory_remove_breakpoint (gdbarch,
-@@ -135,6 +177,25 @@ microblaze_linux_init_abi (struct gdbarch_info info,
- /* Trampolines. */
- 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);
-+
-+ set_gdbarch_regset_from_core_section (gdbarch,
-+ microblaze_regset_from_core_section);
-+
-+ /* Enable TLS support. */
-+ set_gdbarch_fetch_tls_load_module_address (gdbarch,
-+ svr4_fetch_objfile_link_map);
-+
- }
-
- /* -Wmissing-prototypes */
-diff --git a/gdb/microblaze-tdep.c b/gdb/microblaze-tdep.c
-index 14c1b52..36cf1ca 100644
---- a/gdb/microblaze-tdep.c
-+++ b/gdb/microblaze-tdep.c
-@@ -145,6 +145,14 @@ microblaze_push_dummy_code (struct gdbarch *gdbarch, CORE_ADDR sp,
- return sp;
- }
-
-+static CORE_ADDR
-+microblaze_store_arguments (struct regcache *regcache, int nargs,
-+ struct value **args, CORE_ADDR sp,
-+ int struct_return, CORE_ADDR struct_addr)
-+{
-+ error (_("store_arguments not implemented"));
-+ return sp;
-+}
-
- static CORE_ADDR
- microblaze_push_dummy_call (struct gdbarch *gdbarch, struct value *function,
-@@ -536,6 +544,12 @@ microblaze_frame_base_address (struct frame_info *next_frame,
- return cache->base;
- }
-
-+static const struct frame_unwind *
-+microblaze_frame_sniffer (struct frame_info *next_frame)
-+{
-+ return &microblaze_frame_unwind;
-+}
-+
- static const struct frame_base microblaze_frame_base =
- {
- &microblaze_frame_unwind,
-@@ -664,6 +678,70 @@ microblaze_dwarf2_reg_to_regnum (struct gdbarch *gdbarch, int reg)
- return dwarf2_to_reg_map[reg];
- }
-
-+
-+void
-+microblaze_supply_gregset (const struct microblaze_gregset *gregset,
-+ struct regcache *regcache,
-+ int regnum, const void *gregs)
-+{
-+ unsigned int *regs = gregs;
-+ if (regnum >= 0)
-+ regcache_raw_supply (regcache, regnum, regs + regnum);
-+
-+ if (regnum == -1) {
-+ int i;
-+
-+ for (i = 0; i < 50; i++) {
-+ regcache_raw_supply (regcache, i, regs + i);
-+ }
-+ }
-+}
-+
-+
-+void
-+microblaze_collect_gregset (const struct microblaze_gregset *gregset,
-+ const struct regcache *regcache,
-+ int regnum, void *gregs)
-+{
-+ /* FIXME. */
-+}
-+
-+void
-+microblaze_supply_fpregset (struct regcache *regcache,
-+ int regnum, const void *fpregs)
-+{
-+ /* FIXME. */
-+}
-+
-+void
-+microblaze_collect_fpregset (const struct regcache *regcache,
-+ int regnum, void *fpregs)
-+{
-+ /* FIXME. */
-+}
-+
-+
-+/* Return the appropriate register set for the core section identified
-+ by SECT_NAME and SECT_SIZE. */
-+
-+const struct regset *
-+microblaze_regset_from_core_section (struct gdbarch *gdbarch,
-+ const char *sect_name, size_t sect_size)
-+{
-+ struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
-+
-+ microblaze_debug ("microblaze_regset_from_core_section, sect_name = %s\n", sect_name);
-+
-+ if (strcmp (sect_name, ".reg") == 0 && sect_size >= tdep->sizeof_gregset)
-+ return tdep->gregset;
-+
-+ if (strcmp (sect_name, ".reg2") == 0 && sect_size >= tdep->sizeof_fpregset)
-+ return tdep->fpregset;
-+
-+ microblaze_debug ("microblaze_regset_from_core_section returning null :-( \n");
-+ return NULL;
-+}
-+
- static struct gdbarch *
- microblaze_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
- {
-@@ -679,6 +757,11 @@ microblaze_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
- tdep = XNEW (struct 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);
-@@ -726,6 +809,12 @@ microblaze_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
- frame_unwind_append_unwinder (gdbarch, &microblaze_frame_unwind);
- frame_base_append_sniffer (gdbarch, dwarf2_frame_base_sniffer);
-
-+ /* If we have register sets, enable the generic core file support. */
-+ if (tdep->gregset) {
-+ set_gdbarch_regset_from_core_section (gdbarch,
-+ microblaze_regset_from_core_section);
-+ }
-+
- return gdbarch;
- }
-
-diff --git a/gdb/microblaze-tdep.h b/gdb/microblaze-tdep.h
-index a532092..fec24b9 100644
---- a/gdb/microblaze-tdep.h
-+++ b/gdb/microblaze-tdep.h
-@@ -22,8 +22,22 @@
-
-
- /* Microblaze architecture-specific information. */
-+struct microblaze_gregset
-+{
-+ unsigned int gregs[32];
-+ unsigned int fpregs[32];
-+ unsigned int pregs[16];
-+};
-+
- struct gdbarch_tdep
- {
-+ int dummy; // declare something.
-+
-+ /* Register sets. */
-+ struct regset *gregset;
-+ size_t sizeof_gregset;
-+ struct regset *fpregset;
-+ size_t sizeof_fpregset;
- };
-
- struct microblaze_frame_cache
-@@ -117,4 +131,18 @@ enum microblaze_regnum
- Only used for native debugging. */
- #define MICROBLAZE_BREAKPOINT {0xb9, 0xcc, 0x00, 0x60}
-
-+extern void microblaze_supply_gregset (const struct microblaze_gregset *gregset,
-+ struct regcache *regcache,
-+ int regnum, const void *gregs);
-+extern void microblaze_collect_gregset (const struct microblaze_gregset *gregset,
-+ 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 */
---
-1.9.0
-
generated by cgit 1.2.3-korg (git 2.39.0) at 2024-04-26 09:32:12 +0000