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lto-plugin.c (resolution_file): New.

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2009-10-15  Rafael Avila de Espindola  <espindola@google.com>

	* lto-plugin.c (resolution_file): New.
	(free_1): Update comment.
	(free_2): Free resolution_file.
	(write_resolution): Write resolution to specified file. Use the
	syms array from the symbol table.
	(all_symbols_read_handler): Delay call to free_1 past call to
	write_resolution.
	(process_option): Add a -resolution option.

From-SVN: r152846
This commit is contained in:
Rafael Avila de Espindola 2009-10-15 14:36:40 +00:00 committed by Rafael Espindola
parent dda4416508
commit b10071c5cf
2 changed files with 31 additions and 10 deletions
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11
lto-plugin/ChangeLog
View File

@ -1,3 +1,14 @@
2009-10-15 Rafael Avila de Espindola <espindola@google.com>
* lto-plugin.c (resolution_file): New.
(free_1): Update comment.
(free_2): Free resolution_file.
(write_resolution): Write resolution to specified file. Use the
syms array from the symbol table.
(all_symbols_read_handler): Delay call to free_1 past call to
write_resolution.
(process_option): Add a -resolution option.
2009-10-13 Richard Guenther <rguenther@suse.de>
* Makefile.am (liblto_plugin_la_LIBADD): Link against the

30
lto-plugin/lto-plugin.c
View File

@ -97,6 +97,7 @@ static unsigned int num_pass_through_items;
static bool debug;
static bool nop;
static char *resolution_file = NULL;
/* Parse an entry of the IL symbol table. The data to be parsed is pointed
by P and the result is written in ENTRY. The slot number is stored in SLOT.
@ -228,7 +229,8 @@ translate (Elf_Data *symtab, struct plugin_symtab *out)
out->slots = slots;
}
/* Free all memory that is no longer needed at the beginning of all_symbols_read. */
/* Free all memory that is no longer needed after writing the symbol
resolution. */
static void
free_1 (void)
@ -275,6 +277,12 @@ free_2 (void)
free (temp_obj_dir_name);
temp_obj_dir_name = NULL;
if (resolution_file)
{
free (resolution_file);
resolution_file = NULL;
}
}
/* Writes the relocations to disk. */
@ -284,12 +292,12 @@ write_resolution (void)
{
unsigned int i;
FILE *f;
/* FIXME: Disabled for now since we are not using the resolution file. */
return;
if (!resolution_file)
return;
/* FIXME: This should be a temporary file. */
f = fopen ("resolution", "w");
f = fopen (resolution_file, "w");
assert (f);
fprintf (f, "%d\n", num_claimed_files);
@ -297,8 +305,7 @@ write_resolution (void)
{
struct plugin_file_info *info = &claimed_files[i];
struct plugin_symtab *symtab = &info->symtab;
struct ld_plugin_symbol *syms = calloc (symtab->nsyms,
sizeof (struct ld_plugin_symbol));
struct ld_plugin_symbol *syms = symtab->syms;
unsigned j;
assert (syms);
@ -312,7 +319,6 @@ write_resolution (void)
unsigned int resolution = syms[j].resolution;
fprintf (f, "%d %s\n", slot, lto_resolution_str[resolution]);
}
free (syms);
}
fclose (f);
}
@ -434,8 +440,6 @@ all_symbols_read_handler (void)
if (num_claimed_files == 0)
return LDPS_OK;
free_1 ();
if (nop)
{
use_original_files ();
@ -448,6 +452,8 @@ all_symbols_read_handler (void)
write_resolution ();
free_1 ();
for (i = 0; i < lto_wrapper_num_args; i++)
*lto_arg_ptr++ = lto_wrapper_argv[i];
@ -608,6 +614,10 @@ process_option (const char *option)
debug = 1;
else if (strcmp (option, "-nop") == 0)
nop = 1;
else if (!strncmp (option, "-resolution=", strlen("-resolution=")))
{
resolution_file = strdup (option + strlen("-resolution="));
}
else if (!strncmp (option, "-pass-through=", strlen("-pass-through=")))
{
num_pass_through_items++;