aboutsummaryrefslogtreecommitdiff
path: root/gdb/jit.c
diff options
context:
space:
mode:
Diffstat (limited to 'gdb/jit.c')
-rw-r--r--gdb/jit.c64
1 files changed, 43 insertions, 21 deletions
diff --git a/gdb/jit.c b/gdb/jit.c
index 797be95..0ea7bd9 100644
--- a/gdb/jit.c
+++ b/gdb/jit.c
@@ -1,6 +1,6 @@
/* Handle JIT code generation in the inferior for GDB, the GNU Debugger.
- Copyright (C) 2009-2024 Free Software Foundation, Inc.
+ Copyright (C) 2009-2025 Free Software Foundation, Inc.
This file is part of GDB.
@@ -28,6 +28,7 @@
#include "filenames.h"
#include "frame-unwind.h"
#include "cli/cli-cmds.h"
+#include "cli/cli-style.h"
#include "gdbcore.h"
#include "inferior.h"
#include "observable.h"
@@ -222,7 +223,7 @@ static jiter_objfile_data *
get_jiter_objfile_data (objfile *objf)
{
if (objf->jiter_data == nullptr)
- objf->jiter_data.reset (new jiter_objfile_data ());
+ objf->jiter_data = std::make_unique<jiter_objfile_data> ();
return objf->jiter_data.get ();
}
@@ -236,8 +237,9 @@ add_objfile_entry (struct objfile *objfile, CORE_ADDR entry,
{
gdb_assert (objfile->jited_data == nullptr);
- objfile->jited_data.reset (new jited_objfile_data (entry, symfile_addr,
- symfile_size));
+ objfile->jited_data = std::make_unique<jited_objfile_data> (entry,
+ symfile_addr,
+ symfile_size);
}
/* Helper function for reading the global JIT descriptor from remote
@@ -613,6 +615,7 @@ finalize_symtab (struct gdb_symtab *stab, struct objfile *objfile)
new_block = new (&objfile->objfile_obstack) global_block;
else
new_block = new (&objfile->objfile_obstack) block;
+
new_block->set_multidict
(mdict_create_linear (&objfile->objfile_obstack, NULL));
new_block->set_superblock (block_iter);
@@ -624,7 +627,7 @@ finalize_symtab (struct gdb_symtab *stab, struct objfile *objfile)
bv->set_block (i, new_block);
if (i == GLOBAL_BLOCK)
- new_block->set_compunit_symtab (cust);
+ new_block->as_global_block ()->set_compunit (cust);
}
/* Fill up the superblock fields for the real blocks, using the
@@ -660,8 +663,10 @@ jit_object_close_impl (struct gdb_symbol_callbacks *cb,
paddress (priv_data->gdbarch,
priv_data->entry.symfile_addr));
- objfile *objfile = objfile::make (nullptr, objfile_name.c_str (),
- OBJF_NOT_FILENAME);
+ objfile *objfile = objfile::make (nullptr, current_program_space,
+ objfile_name.c_str (), OBJF_NOT_FILENAME);
+ objfile->section_offsets.push_back (0);
+ objfile->sect_index_text = 0;
objfile->per_bfd->gdbarch = priv_data->gdbarch;
for (gdb_symtab &symtab : obj->symtabs)
@@ -880,7 +885,7 @@ jit_breakpoint_re_set_internal (struct gdbarch *gdbarch, program_space *pspace)
/* Lookup the registration symbol. If it is missing, then we
assume we are not attached to a JIT. */
bound_minimal_symbol reg_symbol
- = lookup_minimal_symbol_text (jit_break_name, the_objfile);
+ = lookup_minimal_symbol_text (pspace, jit_break_name, the_objfile);
if (reg_symbol.minsym == NULL
|| reg_symbol.value_address () == 0)
{
@@ -890,7 +895,8 @@ jit_breakpoint_re_set_internal (struct gdbarch *gdbarch, program_space *pspace)
}
bound_minimal_symbol desc_symbol
- = lookup_minimal_symbol_linkage (jit_descriptor_name, the_objfile);
+ = lookup_minimal_symbol_linkage (jit_descriptor_name,
+ the_objfile, true);
if (desc_symbol.minsym == NULL
|| desc_symbol.value_address () == 0)
{
@@ -981,8 +987,10 @@ jit_unwind_reg_get_impl (struct gdb_unwind_callbacks *cb, int regnum)
size = register_size (frame_arch, gdb_reg);
value = ((struct gdb_reg_value *)
xmalloc (sizeof (struct gdb_reg_value) + size - 1));
- value->defined = deprecated_frame_register_read (priv->this_frame, gdb_reg,
- value->value);
+ value->defined
+ = deprecated_frame_register_read (priv->this_frame, gdb_reg,
+ gdb::make_array_view (value->value,
+ size));
value->size = size;
value->free = reg_value_free_impl;
return value;
@@ -1092,7 +1100,7 @@ jit_frame_prev_register (const frame_info_ptr &this_frame, void **cache, int reg
return frame_unwind_got_optimized (this_frame, reg);
gdbarch = priv->regcache->arch ();
- gdb_byte *buf = (gdb_byte *) alloca (register_size (gdbarch, reg));
+ gdb::byte_vector buf (register_size (gdbarch, reg));
enum register_status status = priv->regcache->cooked_read (reg, buf);
if (status == REG_VALID)
@@ -1104,17 +1112,17 @@ jit_frame_prev_register (const frame_info_ptr &this_frame, void **cache, int reg
/* Relay everything back to the unwinder registered by the JIT debug
info reader.*/
-static const struct frame_unwind jit_frame_unwind =
-{
+static const struct frame_unwind_legacy jit_frame_unwind (
"jit",
NORMAL_FRAME,
+ FRAME_UNWIND_EXTENSION,
default_frame_unwind_stop_reason,
jit_frame_this_id,
jit_frame_prev_register,
NULL,
jit_frame_sniffer,
jit_dealloc_cache
-};
+);
/* This is the information that is stored at jit_gdbarch_data for each
@@ -1295,9 +1303,17 @@ jit_event_handler (gdbarch *gdbarch, objfile *jiter)
}
}
-void _initialize_jit ();
-void
-_initialize_jit ()
+/* Implementation of "show jit-reader-directory". */
+
+static void
+show_jit_reader_directory (const char *args, int from_tty)
+{
+ gdb_printf (_("JIT reader directory is %ps.\n"),
+ styled_string (file_name_style.style (),
+ jit_reader_dir.c_str ()));
+}
+
+INIT_GDB_FILE (jit)
{
jit_reader_dir = relocate_gdb_directory (JIT_READER_DIR,
JIT_READER_DIR_RELOCATABLE);
@@ -1326,9 +1342,9 @@ _initialize_jit ()
Load FILE as debug info reader and unwinder for JIT compiled code.\n\
Usage: jit-reader-load FILE\n\
Try to load file FILE as a debug info reader (and unwinder) for\n\
-JIT compiled code. The file is loaded from " JIT_READER_DIR ",\n\
-relocated relative to the GDB executable if required."));
- set_cmd_completer (c, filename_completer);
+JIT compiled code. If FILE is not an absolute file name, it is found\n\
+relative to a built-in directory. See \"show jit-reader-directory\"."));
+ set_cmd_completer (c, deprecated_filename_completer);
c = add_com ("jit-reader-unload", no_class,
jit_reader_unload_command, _("\
@@ -1336,5 +1352,11 @@ Unload the currently loaded JIT debug info reader.\n\
Usage: jit-reader-unload\n\n\
Do \"help jit-reader-load\" for info on loading debug info readers."));
set_cmd_completer (c, noop_completer);
+
+ add_cmd ("jit-reader-directory", class_obscure,
+ show_jit_reader_directory,
+ _("Show the JIT reader directory.\n\
+This is the directory used by \"jit-reader-load\" when given\n\
+a relative file name."), &showlist);
}
}
generated by cgit v1.1 at 2025-07-15 20:30:29 +0000