/* Load module for 'compile' command.
- Copyright (C) 2014-2015 Free Software Foundation, Inc.
+ Copyright (C) 2014-2018 Free Software Foundation, Inc.
This file is part of GDB.
#include "gdbcmd.h"
#include "regcache.h"
#include "inferior.h"
+#include "gdbthread.h"
#include "compile.h"
#include "block.h"
#include "arch-utils.h"
+#include <algorithm>
/* Track inferior memory reserved by inferior mmap. */
static void
munmap_list_add (struct munmap_list **headp, CORE_ADDR addr, CORE_ADDR size)
{
- struct munmap_list *head_new = xmalloc (sizeof (*head_new));
+ struct munmap_list *head_new = XNEW (struct munmap_list);
head_new->next = *headp;
*headp = head_new;
static void
munmap_listp_free_cleanup (void *headp_voidp)
{
- struct munmap_list **headp = headp_voidp;
+ struct munmap_list **headp = (struct munmap_list **) headp_voidp;
munmap_list_free (*headp);
}
static void
setup_sections (bfd *abfd, asection *sect, void *data_voidp)
{
- struct setup_sections_data *data = data_voidp;
+ struct setup_sections_data *data = (struct setup_sections_data *) data_voidp;
CORE_ADDR alignment;
unsigned prot;
return;
alignment = ((CORE_ADDR) 1) << bfd_get_section_alignment (abfd, sect);
- data->last_max_alignment = max (data->last_max_alignment, alignment);
+ data->last_max_alignment = std::max (data->last_max_alignment, alignment);
data->last_size = (data->last_size + alignment - 1) & -alignment;
/* Helper for link_callbacks callbacks vector. */
-static bfd_boolean
+static void
link_callbacks_multiple_definition (struct bfd_link_info *link_info,
struct bfd_link_hash_entry *h, bfd *nbfd,
asection *nsec, bfd_vma nval)
bfd *abfd = link_info->input_bfds;
if (link_info->allow_multiple_definition)
- return TRUE;
+ return;
warning (_("Compiled module \"%s\": multiple symbol definitions: %s"),
bfd_get_filename (abfd), h->root.string);
- return FALSE;
}
/* Helper for link_callbacks callbacks vector. */
-static bfd_boolean
+static void
link_callbacks_warning (struct bfd_link_info *link_info, const char *xwarning,
const char *symbol, bfd *abfd, asection *section,
bfd_vma address)
warning (_("Compiled module \"%s\" section \"%s\": warning: %s"),
bfd_get_filename (abfd), bfd_get_section_name (abfd, section),
xwarning);
- /* Maybe permit running as a module? */
- return FALSE;
}
/* Helper for link_callbacks callbacks vector. */
-static bfd_boolean
+static void
link_callbacks_undefined_symbol (struct bfd_link_info *link_info,
const char *name, bfd *abfd, asection *section,
bfd_vma address, bfd_boolean is_fatal)
warning (_("Cannot resolve relocation to \"%s\" "
"from compiled module \"%s\" section \"%s\"."),
name, bfd_get_filename (abfd), bfd_get_section_name (abfd, section));
- return FALSE;
}
/* Helper for link_callbacks callbacks vector. */
-static bfd_boolean
+static void
link_callbacks_reloc_overflow (struct bfd_link_info *link_info,
struct bfd_link_hash_entry *entry,
const char *name, const char *reloc_name,
bfd_vma addend, bfd *abfd, asection *section,
bfd_vma address)
{
- /* TRUE is required for intra-module relocations. */
- return TRUE;
}
/* Helper for link_callbacks callbacks vector. */
-static bfd_boolean
+static void
link_callbacks_reloc_dangerous (struct bfd_link_info *link_info,
const char *message, bfd *abfd,
asection *section, bfd_vma address)
"relocation: %s\n"),
bfd_get_filename (abfd), bfd_get_section_name (abfd, section),
message);
- return FALSE;
}
/* Helper for link_callbacks callbacks vector. */
-static bfd_boolean
+static void
link_callbacks_unattached_reloc (struct bfd_link_info *link_info,
const char *name, bfd *abfd, asection *section,
bfd_vma address)
"relocation: %s\n"),
bfd_get_filename (abfd), bfd_get_section_name (abfd, section),
name);
- return FALSE;
}
/* Helper for link_callbacks callbacks vector. */
static void
link_callbacks_einfo (const char *fmt, ...)
{
- struct cleanup *cleanups;
va_list ap;
- char *str;
va_start (ap, fmt);
- str = xstrvprintf (fmt, ap);
+ std::string str = string_vprintf (fmt, ap);
va_end (ap);
- cleanups = make_cleanup (xfree, str);
-
- warning (_("Compile module: warning: %s"), str);
- do_cleanups (cleanups);
+ warning (_("Compile module: warning: %s"), str.c_str ());
}
/* Helper for bfd_get_relocated_section_contents.
static void
link_hash_table_free (void *d)
{
- struct link_hash_table_cleanup_data *data = d;
+ struct link_hash_table_cleanup_data *data
+ = (struct link_hash_table_cleanup_data *) d;
if (data->abfd->is_linker_output)
(*data->abfd->link.hash->hash_table_free) (data->abfd);
static void
copy_sections (bfd *abfd, asection *sect, void *data)
{
- asymbol **symbol_table = data;
+ asymbol **symbol_table = (asymbol **) data;
bfd_byte *sect_data, *sect_data_got;
struct cleanup *cleanups;
struct bfd_link_info link_info;
link_order.size = bfd_get_section_size (sect);
link_order.u.indirect.section = sect;
- sect_data = xmalloc (bfd_get_section_size (sect));
+ sect_data = (bfd_byte *) xmalloc (bfd_get_section_size (sect));
make_cleanup (xfree, sect_data);
sect_data_got = bfd_get_relocated_section_contents (abfd, &link_info,
block = BLOCKVECTOR_BLOCK (bv, block_loop);
if (BLOCK_FUNCTION (block) != NULL)
continue;
- gdb_val_sym = block_lookup_symbol (block, COMPILE_I_EXPR_VAL, VAR_DOMAIN);
+ gdb_val_sym = block_lookup_symbol (block,
+ COMPILE_I_EXPR_VAL,
+ symbol_name_match_type::SEARCH_NAME,
+ VAR_DOMAIN);
if (gdb_val_sym == NULL)
continue;
gdb_type = check_typedef (gdb_type);
gdb_ptr_type_sym = block_lookup_symbol (block, COMPILE_I_EXPR_PTR_TYPE,
+ symbol_name_match_type::SEARCH_NAME,
VAR_DOMAIN);
if (gdb_ptr_type_sym == NULL)
error (_("No \"%s\" symbol found"), COMPILE_I_EXPR_PTR_TYPE);
store_regs (struct type *regs_type, CORE_ADDR regs_base)
{
struct gdbarch *gdbarch = target_gdbarch ();
- struct regcache *regcache = get_thread_regcache (inferior_ptid);
int fieldno;
for (fieldno = 0; fieldno < TYPE_NFIELDS (regs_type); fieldno++)
}
}
-/* Load OBJECT_FILE into inferior memory. Throw an error otherwise.
- Caller must fully dispose the return value by calling compile_object_run.
- SOURCE_FILE's copy is stored into the returned object.
- Caller should free both OBJECT_FILE and SOURCE_FILE immediatelly after this
- function returns.
- Function returns NULL only for COMPILE_I_PRINT_ADDRESS_SCOPE when
- COMPILE_I_PRINT_VALUE_SCOPE should have been used instead. */
+/* Load the object file specified in FILE_NAMES into inferior memory.
+ Throw an error otherwise. Caller must fully dispose the return
+ value by calling compile_object_run. Returns NULL only for
+ COMPILE_I_PRINT_ADDRESS_SCOPE when COMPILE_I_PRINT_VALUE_SCOPE
+ should have been used instead. */
struct compile_module *
-compile_object_load (const char *object_file, const char *source_file,
+compile_object_load (const compile_file_names &file_names,
enum compile_i_scope_types scope, void *scope_data)
{
- struct cleanup *cleanups, *cleanups_free_objfile;
- bfd *abfd;
+ struct cleanup *cleanups;
struct setup_sections_data setup_sections_data;
- CORE_ADDR addr, regs_addr, out_value_addr = 0;
+ CORE_ADDR regs_addr, out_value_addr = 0;
struct symbol *func_sym;
struct type *func_type;
struct bound_minimal_symbol bmsym;
long storage_needed;
asymbol **symbol_table, **symp;
long number_of_symbols, missing_symbols;
- struct type *dptr_type = builtin_type (target_gdbarch ())->builtin_data_ptr;
- unsigned dptr_type_len = TYPE_LENGTH (dptr_type);
struct compile_module *retval;
struct type *regs_type, *out_value_type = NULL;
- char *filename, **matching;
+ char **matching;
struct objfile *objfile;
int expect_parameters;
struct type *expect_return_type;
struct munmap_list *munmap_list_head = NULL;
- filename = tilde_expand (object_file);
- cleanups = make_cleanup (xfree, filename);
+ gdb::unique_xmalloc_ptr<char> filename
+ (tilde_expand (file_names.object_file ()));
- abfd = gdb_bfd_open (filename, gnutarget, -1);
+ gdb_bfd_ref_ptr abfd (gdb_bfd_open (filename.get (), gnutarget, -1));
if (abfd == NULL)
error (_("\"%s\": could not open as compiled module: %s"),
- filename, bfd_errmsg (bfd_get_error ()));
- make_cleanup_bfd_unref (abfd);
+ filename.get (), bfd_errmsg (bfd_get_error ()));
- if (!bfd_check_format_matches (abfd, bfd_object, &matching))
+ if (!bfd_check_format_matches (abfd.get (), bfd_object, &matching))
error (_("\"%s\": not in loadable format: %s"),
- filename, gdb_bfd_errmsg (bfd_get_error (), matching));
+ filename.get (), gdb_bfd_errmsg (bfd_get_error (), matching));
- if ((bfd_get_file_flags (abfd) & (EXEC_P | DYNAMIC)) != 0)
- error (_("\"%s\": not in object format."), filename);
+ if ((bfd_get_file_flags (abfd.get ()) & (EXEC_P | DYNAMIC)) != 0)
+ error (_("\"%s\": not in object format."), filename.get ());
setup_sections_data.last_size = 0;
setup_sections_data.last_section_first = abfd->sections;
setup_sections_data.last_prot = -1;
setup_sections_data.last_max_alignment = 1;
setup_sections_data.munmap_list_headp = &munmap_list_head;
- make_cleanup (munmap_listp_free_cleanup, &munmap_list_head);
- bfd_map_over_sections (abfd, setup_sections, &setup_sections_data);
- setup_sections (abfd, NULL, &setup_sections_data);
+ cleanups = make_cleanup (munmap_listp_free_cleanup, &munmap_list_head);
+ bfd_map_over_sections (abfd.get (), setup_sections, &setup_sections_data);
+ setup_sections (abfd.get (), NULL, &setup_sections_data);
- storage_needed = bfd_get_symtab_upper_bound (abfd);
+ storage_needed = bfd_get_symtab_upper_bound (abfd.get ());
if (storage_needed < 0)
error (_("Cannot read symbols of compiled module \"%s\": %s"),
- filename, bfd_errmsg (bfd_get_error ()));
+ filename.get (), bfd_errmsg (bfd_get_error ()));
/* SYMFILE_VERBOSE is not passed even if FROM_TTY, user is not interested in
"Reading symbols from ..." message for automatically generated file. */
- objfile = symbol_file_add_from_bfd (abfd, filename, 0, NULL, 0, NULL);
- cleanups_free_objfile = make_cleanup_free_objfile (objfile);
+ std::unique_ptr<struct objfile> objfile_holder
+ (symbol_file_add_from_bfd (abfd.get (), filename.get (),
+ 0, NULL, 0, NULL));
+ objfile = objfile_holder.get ();
func_sym = lookup_global_symbol_from_objfile (objfile,
GCC_FE_WRAPPER_FUNCTION,
/* The memory may be later needed
by bfd_generic_get_relocated_section_contents
called from default_symfile_relocate. */
- symbol_table = obstack_alloc (&objfile->objfile_obstack, storage_needed);
- number_of_symbols = bfd_canonicalize_symtab (abfd, symbol_table);
+ symbol_table = (asymbol **) obstack_alloc (&objfile->objfile_obstack,
+ storage_needed);
+ number_of_symbols = bfd_canonicalize_symtab (abfd.get (), symbol_table);
if (number_of_symbols < 0)
error (_("Cannot parse symbols of compiled module \"%s\": %s"),
- filename, bfd_errmsg (bfd_get_error ()));
+ filename.get (), bfd_errmsg (bfd_get_error ()));
missing_symbols = 0;
for (symp = symbol_table; symp < symbol_table + number_of_symbols; symp++)
default:
warning (_("Could not find symbol \"%s\" "
"for compiled module \"%s\"."),
- sym->name, filename);
+ sym->name, filename.get ());
missing_symbols++;
}
}
if (missing_symbols)
error (_("%ld symbols were missing, cannot continue."), missing_symbols);
- bfd_map_over_sections (abfd, copy_sections, symbol_table);
+ bfd_map_over_sections (abfd.get (), copy_sections, symbol_table);
regs_type = get_regs_type (func_sym, objfile);
if (regs_type == NULL)
paddress (target_gdbarch (), out_value_addr));
}
- discard_cleanups (cleanups_free_objfile);
-
- retval = xmalloc (sizeof (*retval));
- retval->objfile = objfile;
- retval->source_file = xstrdup (source_file);
+ retval = XNEW (struct compile_module);
+ retval->objfile = objfile_holder.release ();
+ retval->source_file = xstrdup (file_names.source_file ());
retval->func_sym = func_sym;
retval->regs_addr = regs_addr;
retval->scope = scope;