gdb-microbaze: split off big patch, so update-patches works

1 files changed, 155 insertions, 0 deletions

diff --git a/package/gdb-microblaze/patches/patch-gdb_microblaze-linux-tdep_c b/package/gdb-microblaze/patches/patch-gdb_microblaze-linux-tdep_c
new file mode 100644
index 000000000..74c125af6
--- /dev/null
+++ b/package/gdb-microblaze/patches/patch-gdb_microblaze-linux-tdep_c
@@ -0,0 +1,155 @@
+--- gdb-7.8.2.orig/gdb/microblaze-linux-tdep.c	2015-01-15 11:58:12.000000000 +0100
++++ gdb-7.8.2/gdb/microblaze-linux-tdep.c	2016-09-21 10:34:30.029222319 +0200
+@@ -1,6 +1,6 @@
+ /* Target-dependent code for Xilinx MicroBlaze.
+ 
+-   Copyright (C) 2009-2014 Free Software Foundation, Inc.
++   Copyright (C) 2009-2013 Free Software Foundation, Inc.
+ 
+    This file is part of GDB.
+ 
+@@ -32,11 +32,28 @@
+ #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"
+ #include "linux-tdep.h"
+ 
++static int microblaze_debug_flag = 0;
++
++static void
++microblaze_debug (const char *fmt, ...)
++{
++  if (microblaze_debug_flag)
++    {
++       va_list args;
++
++       va_start (args, fmt);
++       printf_unfiltered ("MICROBLAZE LINUX: ");
++       vprintf_unfiltered (fmt, args);
++       va_end (args);
++    }
++}
++
+ static int
+ microblaze_linux_memory_remove_breakpoint (struct gdbarch *gdbarch, 
+ 					   struct bp_target_info *bp_tgt)
+@@ -46,20 +63,27 @@ microblaze_linux_memory_remove_breakpoin
+   int val;
+   int bplen;
+   gdb_byte old_contents[BREAKPOINT_MAX];
++  struct cleanup *cleanup;
+ 
+   /* Determine appropriate breakpoint contents and size for this address.  */
+   bp = gdbarch_breakpoint_from_pc (gdbarch, &addr, &bplen);
+   if (bp == NULL)
+     error (_("Software breakpoints not implemented for this target."));
+ 
++  /* Make sure we see the memory breakpoints.  */
++  cleanup = make_show_memory_breakpoints_cleanup (1);
+   val = target_read_memory (addr, old_contents, bplen);
+ 
+   /* If our breakpoint is no longer at the address, this means that the
+      program modified the code on us, so it is wrong to put back the
+      old value.  */
+   if (val == 0 && memcmp (bp, old_contents, bplen) == 0)
+-    val = target_write_raw_memory (addr, bp_tgt->shadow_contents, bplen);
++  {
++      val = target_write_raw_memory (addr, bp_tgt->shadow_contents, bplen);
++      microblaze_debug ("microblaze_linux_memory_remove_breakpoint writing back to memory at addr 0x%lx\n", addr);
++  }
+ 
++  do_cleanups (cleanup);
+   return val;
+ }
+ 
+@@ -116,6 +140,50 @@ static struct tramp_frame microblaze_lin
+   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 const struct regset microblaze_linux_gregset =
++{
++    NULL,
++    microblaze_linux_supply_core_gregset,
++    microblaze_linux_collect_core_gregset
++};
+ 
+ static void
+ microblaze_linux_init_abi (struct gdbarch_info info,
+@@ -123,6 +191,9 @@ microblaze_linux_init_abi (struct gdbarc
+ {
+   struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
+ 
++  tdep->gregset = &microblaze_linux_gregset;
++  tdep->sizeof_gregset = 200;
++
+   linux_init_abi (info, gdbarch);
+ 
+   set_gdbarch_memory_remove_breakpoint (gdbarch,
+@@ -135,6 +206,25 @@ microblaze_linux_init_abi (struct gdbarc
+   /* 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 */