diff options
Diffstat (limited to 'meta-microblaze/recipes-devtools/gdb/gdb/0009-Patch-MicroBlaze-Added-m64-abi-for-64-bit-target-des.patch')
| -rw-r--r-- | meta-microblaze/recipes-devtools/gdb/gdb/0009-Patch-MicroBlaze-Added-m64-abi-for-64-bit-target-des.patch | 279 |
1 files changed, 279 insertions, 0 deletions
diff --git a/meta-microblaze/recipes-devtools/gdb/gdb/0009-Patch-MicroBlaze-Added-m64-abi-for-64-bit-target-des.patch b/meta-microblaze/recipes-devtools/gdb/gdb/0009-Patch-MicroBlaze-Added-m64-abi-for-64-bit-target-des.patch new file mode 100644 index 00000000..35466e8f --- /dev/null +++ b/meta-microblaze/recipes-devtools/gdb/gdb/0009-Patch-MicroBlaze-Added-m64-abi-for-64-bit-target-des.patch @@ -0,0 +1,279 @@ +From a721a7063f829ccaf6cf8273be04b763b53a735d Mon Sep 17 00:00:00 2001 +From: Mahesh Bodapati <mbodapat@xilinx.com> +Date: Tue, 9 Nov 2021 16:19:17 +0530 +Subject: [PATCH 09/10] [Patch,MicroBlaze] : Added m64 abi for 64 bit target + descriptions. set m64 abi for 64 bit elf. + +--- + gdb/features/microblaze64.xml | 1 + + gdb/microblaze-tdep.c | 150 ++++++++++++++++++++++++++++++++-- + gdb/microblaze-tdep.h | 11 +++ + 3 files changed, 155 insertions(+), 7 deletions(-) + +diff --git a/gdb/features/microblaze64.xml b/gdb/features/microblaze64.xml +index 515d18e65cf..9c1b7d22003 100644 +--- a/gdb/features/microblaze64.xml ++++ b/gdb/features/microblaze64.xml +@@ -7,5 +7,6 @@ + + <!DOCTYPE target SYSTEM "gdb-target.dtd"> + <target> ++ <architecture>microblaze64</architecture> + <xi:include href="microblaze64-core.xml"/> + </target> +diff --git a/gdb/microblaze-tdep.c b/gdb/microblaze-tdep.c +index 667d658adfd..aad6a9cae6e 100644 +--- a/gdb/microblaze-tdep.c ++++ b/gdb/microblaze-tdep.c +@@ -65,8 +65,94 @@ + #define IS_SAVE_HIDDEN_PTR(op, rd, ra, rb) \ + ((op == add || op == addik) && ra == MICROBLAZE_FIRST_ARGREG && rb == 0) + ++static const char *microblaze_abi_string; ++ ++static const char *const microblaze_abi_strings[] = { ++ "auto", ++ "m64", ++}; ++ ++enum microblaze_abi ++microblaze_abi (struct gdbarch *gdbarch) ++{ ++ return gdbarch_tdep (gdbarch)->microblaze_abi; ++} + /* The registers of the Xilinx microblaze processor. */ + ++ static struct cmd_list_element *setmicroblazecmdlist = NULL; ++ static struct cmd_list_element *showmicroblazecmdlist = NULL; ++ ++static void ++microblaze_abi_update (const char *ignore_args, ++ int from_tty, struct cmd_list_element *c) ++{ ++ struct gdbarch_info info; ++ ++ /* Force the architecture to update, and (if it's a microblaze architecture) ++ * microblaze_gdbarch_init will take care of the rest. */ ++ gdbarch_info_init (&info); ++ gdbarch_update_p (info); ++} ++ ++ ++static enum microblaze_abi ++global_microblaze_abi (void) ++{ ++ int i; ++ ++ for (i = 0; microblaze_abi_strings[i] != NULL; i++) ++ if (microblaze_abi_strings[i] == microblaze_abi_string) ++ return (enum microblaze_abi) i; ++ ++// internal_error (__FILE__, __LINE__, _("unknown ABI string")); ++} ++ ++static void ++show_microblaze_abi (struct ui_file *file, ++ int from_tty, ++ struct cmd_list_element *ignored_cmd, ++ const char *ignored_value) ++{ ++ enum microblaze_abi global_abi = global_microblaze_abi (); ++ enum microblaze_abi actual_abi = microblaze_abi (target_gdbarch ()); ++ const char *actual_abi_str = microblaze_abi_strings[actual_abi]; ++ ++#if 1 ++ if (global_abi == MICROBLAZE_ABI_AUTO) ++ fprintf_filtered ++ (file, ++ "The microblaze ABI is set automatically (currently \"%s\").\n", ++ actual_abi_str); ++ else if (global_abi == actual_abi) ++ fprintf_filtered ++ (file, ++ "The microblaze ABI is assumed to be \"%s\" (due to user setting).\n", ++ actual_abi_str); ++ else ++ { ++#endif ++ /* Probably shouldn't happen... */ ++ fprintf_filtered (file, ++ "The (auto detected) microblaze ABI \"%s\" is in use " ++ "even though the user setting was \"%s\".\n", ++ actual_abi_str, microblaze_abi_strings[global_abi]); ++ } ++} ++ ++static void ++show_microblaze_command (const char *args, int from_tty) ++{ ++ help_list (showmicroblazecmdlist, "show microblaze ", all_commands, gdb_stdout); ++} ++ ++static void ++set_microblaze_command (const char *args, int from_tty) ++{ ++ printf_unfiltered ++ ("\"set microblaze\" must be followed by an appropriate subcommand.\n"); ++ help_list (setmicroblazecmdlist, "set microblaze ", all_commands, gdb_stdout); ++} ++ + static const char *microblaze_register_names[] = + { + "r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7", +@@ -85,6 +171,18 @@ static const char *microblaze_register_names[] = + static unsigned int microblaze_debug_flag = 0; + int reg_size = 4; + ++unsigned int ++microblaze_abi_regsize (struct gdbarch *gdbarch) ++{ ++ switch (microblaze_abi (gdbarch)) ++ { ++ case MICROBLAZE_ABI_M64: ++ return 8; ++ default: ++ return 4; ++ } ++} ++ + static void ATTRIBUTE_PRINTF (1, 2) + microblaze_debug (const char *fmt, ...) + { +@@ -880,15 +978,30 @@ microblaze_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches) + struct gdbarch_tdep *tdep; + struct gdbarch *gdbarch; + struct tdesc_arch_data *tdesc_data = NULL; ++ enum microblaze_abi microblaze_abi, found_abi, wanted_abi; + const struct target_desc *tdesc = info.target_desc; + ++ /* What has the user specified from the command line? */ ++ wanted_abi = global_microblaze_abi (); ++ if (gdbarch_debug) ++ fprintf_unfiltered (gdb_stdlog, "microblaze_gdbarch_init: wanted_abi = %d\n", ++ wanted_abi); ++ if (wanted_abi != MICROBLAZE_ABI_AUTO) ++ microblaze_abi = wanted_abi; ++ + /* If there is already a candidate, use it. */ + arches = gdbarch_list_lookup_by_info (arches, &info); +- if (arches != NULL) ++ if ((arches != NULL) && (microblaze_abi != MICROBLAZE_ABI_M64)) + return arches->gdbarch; ++ ++ if (microblaze_abi == MICROBLAZE_ABI_M64) ++ { ++ tdesc = tdesc_microblaze64; ++ reg_size = 8; ++ } + if (tdesc == NULL) + { +- if (info.bfd_arch_info->mach == bfd_mach_microblaze64) ++ if ((info.bfd_arch_info->mach == bfd_mach_microblaze64) || (microblaze_abi == MICROBLAZE_ABI_M64)) + { + tdesc = tdesc_microblaze64; + reg_size = 8; +@@ -903,7 +1016,7 @@ microblaze_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches) + int valid_p; + int i; + +- if (info.bfd_arch_info->mach == bfd_mach_microblaze64) ++ if ((info.bfd_arch_info->mach == bfd_mach_microblaze64) || (microblaze_abi == MICROBLAZE_ABI_M64)) + feature = tdesc_find_feature (tdesc, + "org.gnu.gdb.microblaze64.core"); + else +@@ -917,7 +1030,7 @@ microblaze_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches) + for (i = 0; i < MICROBLAZE_NUM_REGS; i++) + valid_p &= tdesc_numbered_register (feature, tdesc_data, i, + microblaze_register_names[i]); +- if (info.bfd_arch_info->mach == bfd_mach_microblaze64) ++ if ((info.bfd_arch_info->mach == bfd_mach_microblaze64) || (microblaze_abi == MICROBLAZE_ABI_M64)) + feature = tdesc_find_feature (tdesc, + "org.gnu.gdb.microblaze64.stack-protect"); + else +@@ -968,7 +1081,8 @@ microblaze_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches) + set_gdbarch_ptr_bit (gdbarch, 64); + break; + } +- ++ if(microblaze_abi == MICROBLAZE_ABI_M64) ++ set_gdbarch_ptr_bit (gdbarch, 64); + + /* Map Dwarf2 registers to GDB registers. */ + set_gdbarch_dwarf2_reg_to_regnum (gdbarch, microblaze_dwarf2_reg_to_regnum); +@@ -1027,7 +1141,30 @@ void + _initialize_microblaze_tdep () + { + register_gdbarch_init (bfd_arch_microblaze, microblaze_gdbarch_init); +- ++// static struct cmd_list_element *setmicroblazecmdlist = NULL; ++// static struct cmd_list_element *showmicroblazecmdlist = NULL; ++ ++ /* Add root prefix command for all "set microblaze"/"show microblaze" commands. */ ++ add_prefix_cmd ("microblaze", no_class, set_microblaze_command, ++ _("Various microblaze specific commands."), ++ &setmicroblazecmdlist, "set microblaze ", 0, &setlist); ++ ++ add_prefix_cmd ("microblaze", no_class, show_microblaze_command, ++ _("Various microblaze specific commands."), ++ &showmicroblazecmdlist, "show microblaze ", 0, &showlist); ++ ++ /* Allow the user to override the ABI. */ ++ add_setshow_enum_cmd ("abi", class_obscure, microblaze_abi_strings, ++ µblaze_abi_string, _("\ ++Set the microblaze ABI used by this program."), _("\ ++Show the microblaze ABI used by this program."), _("\ ++This option can be set to one of:\n\ ++ auto - the default ABI associated with the current binary\n\ ++ m64"), ++ microblaze_abi_update, ++ show_microblaze_abi, ++ &setmicroblazecmdlist, &showmicroblazecmdlist); ++ + initialize_tdesc_microblaze_with_stack_protect (); + initialize_tdesc_microblaze (); + initialize_tdesc_microblaze64_with_stack_protect (); +@@ -1042,5 +1179,4 @@ When non-zero, microblaze specific debugging is enabled."), + NULL, + &setdebuglist, &showdebuglist); + +- + } +diff --git a/gdb/microblaze-tdep.h b/gdb/microblaze-tdep.h +index e0fa7ef9b12..9cb9628295f 100644 +--- a/gdb/microblaze-tdep.h ++++ b/gdb/microblaze-tdep.h +@@ -19,8 +19,16 @@ + + #ifndef MICROBLAZE_TDEP_H + #define MICROBLAZE_TDEP_H 1 ++#include "objfiles.h" + ++struct gdbarch; ++enum microblaze_abi ++ { ++ MICROBLAZE_ABI_AUTO = 0, ++ MICROBLAZE_ABI_M64, ++ }; + ++enum microblaze_abi microblaze_abi (struct gdbarch *gdbarch); + /* Microblaze architecture-specific information. */ + struct microblaze_gregset + { +@@ -34,11 +42,14 @@ struct gdbarch_tdep + { + int dummy; // declare something. + ++ enum microblaze_abi microblaze_abi; ++ enum microblaze_abi found_abi; + /* Register sets. */ + struct regset *gregset; + size_t sizeof_gregset; + struct regset *fpregset; + size_t sizeof_fpregset; ++ int register_size; + }; + + /* Register numbers. */ +-- +2.17.1 + |