/* test_plugin.c -- simple linker plugin test
- Copyright (C) 2008-2014 Free Software Foundation, Inc.
+ Copyright (C) 2008-2024 Free Software Foundation, Inc.
Written by Cary Coutant <ccoutant@google.com>.
This file is part of gold.
char* vis;
char* sect;
char* name;
+ char* ver;
};
static struct claimed_file* first_claimed_file = NULL;
static ld_plugin_add_symbols add_symbols = NULL;
static ld_plugin_get_symbols get_symbols = NULL;
static ld_plugin_get_symbols get_symbols_v2 = NULL;
+static ld_plugin_get_symbols get_symbols_v3 = NULL;
static ld_plugin_add_input_file add_input_file = NULL;
static ld_plugin_message message = NULL;
static ld_plugin_get_input_file get_input_file = NULL;
static ld_plugin_get_input_section_contents get_input_section_contents = NULL;
static ld_plugin_update_section_order update_section_order = NULL;
static ld_plugin_allow_section_ordering allow_section_ordering = NULL;
+static ld_plugin_get_wrap_symbols get_wrap_symbols = NULL;
#define MAXOPTS 10
case LDPT_GET_SYMBOLS_V2:
get_symbols_v2 = entry->tv_u.tv_get_symbols;
break;
+ case LDPT_GET_SYMBOLS_V3:
+ get_symbols_v3 = entry->tv_u.tv_get_symbols;
+ break;
case LDPT_ADD_INPUT_FILE:
add_input_file = entry->tv_u.tv_add_input_file;
break;
case LDPT_ALLOW_SECTION_ORDERING:
allow_section_ordering = *entry->tv_u.tv_allow_section_ordering;
break;
+ case LDPT_GET_WRAP_SYMBOLS:
+ get_wrap_symbols = *entry->tv_u.tv_get_wrap_symbols;
+ break;
default:
break;
}
return LDPS_ERR;
}
+ if (get_wrap_symbols == NULL)
+ {
+ fprintf(stderr, "tv_get_wrap_symbols interface missing\n");
+ return LDPS_ERR;
+ }
+ else
+ {
+ const char **wrap_symbols;
+ uint64_t count = 0;
+ if (get_wrap_symbols(&count, &wrap_symbols) == LDPS_OK)
+ {
+ (*message)(LDPL_INFO, "Number of wrap symbols = %lu", count);
+ for (; count > 0; --count)
+ (*message)(LDPL_INFO, "Wrap symbol %s", wrap_symbols[count - 1]);
+ }
+ else
+ {
+ fprintf(stderr, "tv_get_wrap_symbols interface call failed\n");
+ return LDPS_ERR;
+ }
+ }
+
return LDPS_OK;
}
int vis;
int is_comdat;
int i;
+ int irfile_was_opened = 0;
+ char syms_name[80];
(*message)(LDPL_INFO,
"%s: claim file hook called (offset = %ld, size = %ld)",
file->name, (long)file->offset, (long)file->filesize);
+ /* Look for matching syms file for an archive member. */
+ if (file->offset == 0)
+ snprintf(syms_name, sizeof(syms_name), "%s.syms", file->name);
+ else
+ snprintf(syms_name, sizeof(syms_name), "%s-%d.syms",
+ file->name, (int)file->offset);
+ irfile = fopen(syms_name, "r");
+ if (irfile != NULL)
+ {
+ irfile_was_opened = 1;
+ end_offset = 1 << 20;
+ }
+
+ /* Otherwise, see if the file itself is a syms file. */
+ if (!irfile_was_opened)
+ {
+ irfile = fdopen(file->fd, "r");
+ (void)fseek(irfile, file->offset, SEEK_SET);
+ end_offset = file->offset + file->filesize;
+ }
+
/* Look for the beginning of output from readelf -s. */
- irfile = fdopen(file->fd, "r");
- (void)fseek(irfile, file->offset, SEEK_SET);
- end_offset = file->offset + file->filesize;
len = fread(buf, 1, 13, irfile);
if (len < 13 || strncmp(buf, "\nSymbol table", 13) != 0)
return LDPS_OK;
syms[nsyms].name = malloc(len + 1);
strncpy(syms[nsyms].name, info.name, len + 1);
}
- syms[nsyms].version = NULL;
+ if (info.ver == NULL)
+ syms[nsyms].version = NULL;
+ else
+ {
+ len = strlen(info.ver);
+ syms[nsyms].version = malloc(len + 1);
+ strncpy(syms[nsyms].version, info.ver, len + 1);
+ }
syms[nsyms].def = def;
syms[nsyms].visibility = vis;
syms[nsyms].size = info.size;
(*add_symbols)(file->handle, nsyms, syms);
*claimed = 1;
+ if (irfile_was_opened)
+ fclose(irfile);
return LDPS_OK;
}
(*message)(LDPL_INFO, "all symbols read hook called");
- if (get_symbols_v2 == NULL)
+ if (get_symbols_v3 == NULL)
{
- fprintf(stderr, "tv_get_symbols (v2) interface missing\n");
+ fprintf(stderr, "tv_get_symbols (v3) interface missing\n");
return LDPS_ERR;
}
claimed_file != NULL;
claimed_file = claimed_file->next)
{
- (*get_symbols_v2)(claimed_file->handle, claimed_file->nsyms,
- claimed_file->syms);
+ enum ld_plugin_status status = (*get_symbols_v3)(
+ claimed_file->handle, claimed_file->nsyms, claimed_file->syms);
+ if (status == LDPS_NO_SYMS)
+ {
+ (*message)(LDPL_INFO, "%s: no symbols", claimed_file->name);
+ continue;
+ }
for (i = 0; i < claimed_file->nsyms; ++i)
{
claimed_file != NULL;
claimed_file = claimed_file->next)
{
+ int irfile_was_opened = 0;
+ char syms_name[80];
+
(*get_input_file) (claimed_file->handle, &file);
+ if (file.offset == 0)
+ snprintf(syms_name, sizeof(syms_name), "%s.syms", file.name);
+ else
+ snprintf(syms_name, sizeof(syms_name), "%s-%d.syms",
+ file.name, (int)file.offset);
+ irfile = fopen(syms_name, "r");
+ if (irfile != NULL)
+ {
+ irfile_was_opened = 1;
+ end_offset = 1 << 20;
+ }
+
+ if (!irfile_was_opened)
+ {
+ irfile = fdopen(file.fd, "r");
+ (void)fseek(irfile, file.offset, SEEK_SET);
+ end_offset = file.offset + file.filesize;
+ }
+
/* Look for the beginning of output from readelf -s. */
- irfile = fdopen(file.fd, "r");
- (void)fseek(irfile, file.offset, SEEK_SET);
- end_offset = file.offset + file.filesize;
len = fread(buf, 1, 13, irfile);
if (len < 13 || strncmp(buf, "\nSymbol table", 13) != 0)
{
}
}
+ if (irfile_was_opened)
+ fclose(irfile);
+
(*release_input_file) (claimed_file->handle);
if (filename == NULL)
p += strcspn(p, " ");
p += strspn(p, " ");
+ if (*p == '[')
+ {
+ /* Skip st_other. */
+ p += strcspn(p, "]");
+ p += strspn(p, "] ");
+ }
+
/* Section field. */
info->sect = p;
p += strcspn(p, " ");
p += strspn(p, " ");
/* Name field. */
- /* FIXME: Look for version. */
- len = strlen(p);
- if (len == 0)
- p = NULL;
- else if (p[len-1] == '\n')
- p[--len] = '\0';
- info->name = p;
+ len = strcspn(p, "@\n");
+ if (len > 0 && p[len] == '@')
+ {
+ /* Get the symbol version. */
+ char* vp = p + len;
+ int vlen;
+
+ vp += strspn(vp, "@");
+ vlen = strcspn(vp, "\n");
+ vp[vlen] = '\0';
+ if (vlen > 0)
+ info->ver = vp;
+ else
+ info->ver = NULL;
+ }
+ else
+ info->ver = NULL;
+ p[len] = '\0';
+ if (len > 0)
+ info->name = p;
+ else
+ info->name = NULL;
}
projects / thirdparty / binutils-gdb.git / blobdiff