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-rw-r--r--gdb/symfile.c58
1 files changed, 55 insertions, 3 deletions
diff --git a/gdb/symfile.c b/gdb/symfile.c
index fb33296..53f9e76 100644
--- a/gdb/symfile.c
+++ b/gdb/symfile.c
@@ -461,6 +461,58 @@ find_lowest_section (abfd, sect, obj)
*lowest = sect;
}
+
+/* Build (allocate and populate) a section_addr_info struct from
+ an existing section table. */
+
+extern struct section_addr_info *
+build_section_addr_info_from_section_table (const struct section_table *start,
+ const struct section_table *end)
+{
+ struct section_addr_info *sap;
+ const struct section_table *stp;
+ int oidx;
+
+ sap = xmalloc (sizeof (struct section_addr_info));
+ memset (sap, 0, sizeof (struct section_addr_info));
+
+ for (stp = start, oidx = 0; stp != end; stp++)
+ {
+ if (strcmp (stp->the_bfd_section->name, ".text") == 0)
+ sap->text_addr = stp->addr;
+ else if (strcmp (stp->the_bfd_section->name, ".data") == 0)
+ sap->data_addr = stp->addr;
+ else if (strcmp (stp->the_bfd_section->name, ".bss") == 0)
+ sap->bss_addr = stp->addr;
+
+ if (stp->the_bfd_section->flags & (SEC_ALLOC | SEC_LOAD)
+ && oidx < MAX_SECTIONS)
+ {
+ sap->other[oidx].addr = stp->addr;
+ sap->other[oidx].name = xstrdup (stp->the_bfd_section->name);
+ sap->other[oidx].sectindex = stp->the_bfd_section->index;
+ oidx++;
+ }
+ }
+
+ return sap;
+}
+
+
+/* Free all memory allocated by build_section_addr_info_from_section_table. */
+
+extern void
+free_section_addr_info (struct section_addr_info *sap)
+{
+ int idx;
+
+ for (idx = 0; idx < MAX_SECTIONS; idx++)
+ if (sap->other[idx].name)
+ free (sap->other[idx].name);
+ free (sap);
+}
+
+
/* Parse the user's idea of an offset for dynamic linking, into our idea
of how to represent it for fast symbol reading. This is the default
version of the sym_fns.sym_offsets function for symbol readers that
@@ -531,7 +583,6 @@ syms_from_objfile (objfile, addrs, mainline, verbo)
int mainline;
int verbo;
{
- struct section_offsets *section_offsets;
asection *lower_sect;
asection *sect;
CORE_ADDR lower_offset;
@@ -738,7 +789,9 @@ syms_from_objfile (objfile, addrs, mainline, verbo)
else if (strcmp (s->the_bfd_section->name, ".bss") == 0)
s_addr = addrs->bss_addr;
else
- for (i = 0; !s_addr && addrs->other[i].name; i++)
+ for (i = 0;
+ !s_addr && i < MAX_SECTIONS && addrs->other[i].name;
+ i++)
if (strcmp (s->the_bfd_section->name, addrs->other[i].name) == 0)
s_addr = addrs->other[i].addr; /* end added for gdb/13815 */
@@ -1460,7 +1513,6 @@ add_symbol_file_command (args, from_tty)
int from_tty;
{
char *name = NULL;
- CORE_ADDR text_addr;
int flags = OBJF_USERLOADED;
char *arg;
int expecting_option = 0;