diff options
Diffstat (limited to 'meta-xilinx/meta-microblaze/recipes-devtools/binutils/binutils/0042-porting-GDB-for-linux.patch')
| -rw-r--r-- | meta-xilinx/meta-microblaze/recipes-devtools/binutils/binutils/0042-porting-GDB-for-linux.patch | 155 |
1 files changed, 155 insertions, 0 deletions
diff --git a/meta-xilinx/meta-microblaze/recipes-devtools/binutils/binutils/0042-porting-GDB-for-linux.patch b/meta-xilinx/meta-microblaze/recipes-devtools/binutils/binutils/0042-porting-GDB-for-linux.patch new file mode 100644 index 000000000..e115666c2 --- /dev/null +++ b/meta-xilinx/meta-microblaze/recipes-devtools/binutils/binutils/0042-porting-GDB-for-linux.patch @@ -0,0 +1,155 @@ +From c810c6e2a6ae66426444580d04659e8b2d0b2daa Mon Sep 17 00:00:00 2001 +From: Mahesh Bodapati <mbodapat@xilinx.com> +Date: Thu, 12 Dec 2019 14:56:17 +0530 +Subject: [PATCH 42/52] porting GDB for linux + +--- + gdb/features/microblaze-linux.xml | 12 ++++++++++ + gdb/microblaze-linux-tdep.c | 39 ++++++++++++++++++++++++------- + gdbserver/Makefile.in | 2 ++ + gdbserver/configure.srv | 3 ++- + 4 files changed, 47 insertions(+), 9 deletions(-) + create mode 100644 gdb/features/microblaze-linux.xml + +diff --git a/gdb/features/microblaze-linux.xml b/gdb/features/microblaze-linux.xml +new file mode 100644 +index 0000000000..8983e66eb3 +--- /dev/null ++++ b/gdb/features/microblaze-linux.xml +@@ -0,0 +1,12 @@ ++<?xml version="1.0"?> ++<!-- Copyright (C) 2014-2018 Free Software Foundation, Inc. ++ ++ Copying and distribution of this file, with or without modification, ++ are permitted in any medium without royalty provided the copyright ++ notice and this notice are preserved. --> ++ ++<!DOCTYPE target SYSTEM "gdb-target.dtd"> ++<target> ++ <osabi>GNU/Linux</osabi> ++ <xi:include href="microblaze-core.xml"/> ++</target> +diff --git a/gdb/microblaze-linux-tdep.c b/gdb/microblaze-linux-tdep.c +index a2e858d10f..a37c4c86f4 100644 +--- a/gdb/microblaze-linux-tdep.c ++++ b/gdb/microblaze-linux-tdep.c +@@ -41,7 +41,7 @@ + + #ifndef REGSET_H + #define REGSET_H 1 +- ++int MICROBLAZE_REGISTER_SIZE=4; + struct gdbarch; + struct regcache; + +@@ -115,7 +115,7 @@ microblaze_debug (const char *fmt, ...) + va_end (args); + } + } +- ++#if 0 + static int + microblaze_linux_memory_remove_breakpoint (struct gdbarch *gdbarch, + struct bp_target_info *bp_tgt) +@@ -131,7 +131,7 @@ microblaze_linux_memory_remove_breakpoint (struct gdbarch *gdbarch, + bp = gdbarch_breakpoint_from_pc (gdbarch, &addr, &bplen); + + /* Make sure we see the memory breakpoints. */ +- cleanup = make_show_memory_breakpoints_cleanup (1); ++ cleanup = make_scoped_restore_show_memory_breakpoints (1); + val = target_read_memory (addr, old_contents, bplen); + + /* If our breakpoint is no longer at the address, this means that the +@@ -146,6 +146,7 @@ microblaze_linux_memory_remove_breakpoint (struct gdbarch *gdbarch, + do_cleanups (cleanup); + return val; + } ++#endif + + static void + microblaze_linux_sigtramp_cache (struct frame_info *next_frame, +@@ -248,8 +249,8 @@ microblaze_linux_init_abi (struct gdbarch_info info, + + linux_init_abi (info, gdbarch); + +- set_gdbarch_memory_remove_breakpoint (gdbarch, +- microblaze_linux_memory_remove_breakpoint); ++// set_gdbarch_memory_remove_breakpoint (gdbarch, ++// microblaze_linux_memory_remove_breakpoint); + + /* Shared library handling. */ + set_solib_svr4_fetch_link_map_offsets (gdbarch, +@@ -261,10 +262,30 @@ microblaze_linux_init_abi (struct gdbarch_info info, + + /* BFD target for core files. */ + if (gdbarch_byte_order (gdbarch) == BFD_ENDIAN_BIG) +- set_gdbarch_gcore_bfd_target (gdbarch, "elf32-microblaze"); ++ { ++ if (info.bfd_arch_info->mach == bfd_mach_microblaze64) { ++ set_gdbarch_gcore_bfd_target (gdbarch, "elf64-microblaze"); ++ MICROBLAZE_REGISTER_SIZE=8; ++ } ++ else ++ set_gdbarch_gcore_bfd_target (gdbarch, "elf32-microblaze"); ++ } + else +- set_gdbarch_gcore_bfd_target (gdbarch, "elf32-microblazeel"); ++ { ++ if (info.bfd_arch_info->mach == bfd_mach_microblaze64) { ++ set_gdbarch_gcore_bfd_target (gdbarch, "elf64-microblazeel"); ++ MICROBLAZE_REGISTER_SIZE=8; ++ } ++ else ++ set_gdbarch_gcore_bfd_target (gdbarch, "elf32-microblazeel"); ++ } + ++ switch (info.bfd_arch_info->mach) ++ { ++ case bfd_mach_microblaze64: ++ set_gdbarch_ptr_bit (gdbarch, 64); ++ break; ++ } + + /* Shared library handling. */ + set_gdbarch_skip_trampoline_code (gdbarch, find_solib_trampoline_target); +@@ -279,6 +300,8 @@ void _initialize_microblaze_linux_tdep (); + void + _initialize_microblaze_linux_tdep () + { +- gdbarch_register_osabi (bfd_arch_microblaze, 0, GDB_OSABI_LINUX, ++ gdbarch_register_osabi (bfd_arch_microblaze, bfd_mach_microblaze, GDB_OSABI_LINUX, ++ microblaze_linux_init_abi); ++ gdbarch_register_osabi (bfd_arch_microblaze, bfd_mach_microblaze64, GDB_OSABI_LINUX, + microblaze_linux_init_abi); + } +diff --git a/gdbserver/Makefile.in b/gdbserver/Makefile.in +index df354d636c..680f536c06 100644 +--- a/gdbserver/Makefile.in ++++ b/gdbserver/Makefile.in +@@ -559,6 +559,8 @@ target/%.o: ../gdb/target/%.c + + %-generated.cc: ../gdb/regformats/rs6000/%.dat $(regdat_sh) + $(ECHO_REGDAT) $(SHELL) $(regdat_sh) $< $@ ++microblaze-linux.c : $(srcdir)/../regformats/reg-microblaze.dat $(regdat_sh) ++ $(ECHO_REGDAT) $(SHELL) $(regdat_sh) $(srcdir)/../regformats/reg-microblaze.dat microblaze-linux.c + + # + # Dependency tracking. +diff --git a/gdbserver/configure.srv b/gdbserver/configure.srv +index 456f4b3349..ff9ada71b0 100644 +--- a/gdbserver/configure.srv ++++ b/gdbserver/configure.srv +@@ -155,8 +155,9 @@ case "${gdbserver_host}" in + srv_linux_usrregs=yes + srv_linux_thread_db=yes + ;; +- microblaze*-*-linux*) srv_regobj=microblaze-linux.o ++ microblaze*-*-linux*) srv_regobj="microblaze-linux.o" + srv_tgtobj="$srv_linux_obj linux-microblaze-low.o " ++ srv_xmlfiles="microblaze-linux.xml" + srv_linux_regsets=yes + srv_linux_usrregs=yes + srv_linux_thread_db=yes +-- +2.17.1 + |