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authorPer Bothner <per@bothner.com>1992-03-29 22:33:35 +0000
committerPer Bothner <per@bothner.com>1992-03-29 22:33:35 +0000
commit1eeba68641b9b75e2d780759c39a079d8ddda0fc (patch)
tree53b52dab03341261520ae752bb16576121125bfa /gdb/xcoffsolib.c
parentbe78a1301f2ab2bb13177d15326fb1aa3e372bf3 (diff)
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Merged in latest RS6000 diffs from Metin G. Ozisik.
Diffstat (limited to 'gdb/xcoffsolib.c')
-rw-r--r--gdb/xcoffsolib.c177
1 files changed, 177 insertions, 0 deletions
diff --git a/gdb/xcoffsolib.c b/gdb/xcoffsolib.c
new file mode 100644
index 0000000..0ad8432
--- /dev/null
+++ b/gdb/xcoffsolib.c
@@ -0,0 +1,177 @@
+#include <stdio.h>
+#include <sys/types.h>
+#include <sys/ldr.h>
+
+#include "defs.h"
+#include "bfd.h"
+/*#include "libbfd.h" /* BFD internals (sigh!) FIXME */
+#include "xcoffsolib.h"
+
+
+extern struct symtab *current_source_symtab;
+extern int current_source_line;
+
+
+/* The real work of adding a shared library file to the symtab and
+ the section list. */
+
+void
+solib_add (arg_string, from_tty, target)
+ char *arg_string;
+ int from_tty;
+ struct target_ops *target;
+{
+ char *val;
+ struct vmap *vp = vmap;
+ struct objfile *obj;
+ struct symtab *saved_symtab;
+ int saved_line;
+
+ int loaded = 0; /* true if any shared obj loaded */
+ int matched = 0; /* true if any shared obj matched */
+
+ if (arg_string == 0)
+ re_comp (".");
+ else if (val = (char *) re_comp (arg_string)) {
+ error ("Invalid regexp: %s", val);
+ }
+ if (!vp || !vp->nxt)
+ return;
+
+ /* save current symbol table and line number, in case they get changed
+ in symbol loading process. */
+
+ saved_symtab = current_source_symtab;
+ saved_line = current_source_line;
+
+ /* skip over the first vmap, it is the main program, always loaded. */
+ vp = vp->nxt;
+
+ for (; vp; vp = vp->nxt) {
+
+ if (re_exec (vp->name) || (*vp->member && re_exec (vp->member))) {
+
+ matched = 1;
+
+ /* if already loaded, continue with the next one. */
+ if (vp->loaded) {
+
+ printf ("%s%s%s%s: already loaded.\n",
+ *vp->member ? "(" : "",
+ vp->member,
+ *vp->member ? ") " : "",
+ vp->name);
+ continue;
+ }
+
+ printf ("Loading %s%s%s%s...",
+ *vp->member ? "(" : "",
+ vp->member,
+ *vp->member ? ") " : "",
+ vp->name);
+ fflush (stdout);
+
+ obj = lookup_objfile_bfd (vp->bfd);
+ if (!obj) {
+ warning ("\nObj structure for the shared object not found. Loading failed.");
+ continue;
+ }
+
+ syms_from_objfile (obj, 0, 0);
+ vmap_symtab (vp, 0, 0);
+ printf ("Done.\n");
+ loaded = vp->loaded = 1;
+ }
+ }
+ /* if any shared object is loaded, then misc_func_vector needs sorting. */
+ if (loaded) {
+#if 0
+ sort_misc_function_vector ();
+#endif
+ current_source_symtab = saved_symtab;
+ current_source_line = saved_line;
+
+ /* Getting new symbols might change our opinion about what is frameless.
+ Is this correct?? FIXME. */
+/* reinit_frame_cache(); */
+ }
+ else if (!matched)
+ printf ("No matching shared object found.\n");
+
+}
+
+
+/* Return the module name of a given text address. Note that returned buffer
+ is not persistent. */
+
+char *
+pc_load_segment_name (addr)
+CORE_ADDR addr;
+{
+ static char buffer [BUFSIZ];
+ struct vmap *vp = vmap;
+
+ buffer [0] = buffer [1] = '\0';
+ for (; vp; vp = vp->nxt)
+ if (vp->tstart <= addr && addr < vp->tend) {
+ if (*vp->member) {
+ buffer [0] = '(';
+ strcat (&buffer[1], vp->member);
+ strcat (buffer, ")");
+ }
+ strcat (buffer, vp->name);
+ return buffer;
+ }
+ return "(unknown load module)";
+}
+
+
+solib_info (ldi)
+register struct ld_info *ldi;
+{
+
+ struct vmap *vp = vmap;
+
+ if (!vp || !vp->nxt) {
+ printf("No shared libraries loaded at this time.\n");
+ return;
+ }
+
+ /* skip over the first vmap, it is the main program, always loaded. */
+ vp = vp->nxt;
+
+ printf ("\
+Text Range Data Range Syms Shared Object Library\n");
+
+ for (; vp; vp = vp->nxt) {
+
+ printf ("0x%08x-0x%08x 0x%08x-0x%08x %s %s%s%s%s\n",
+ vp->tstart, vp->tend,
+ vp->dstart, vp->dend,
+ vp->loaded ? "Yes" : "No ",
+ *vp->member ? "(" : "",
+ vp->member,
+ *vp->member ? ") " : "",
+ vp->name);
+ }
+}
+
+
+void
+sharedlibrary_command (args, from_tty)
+ char *args;
+ int from_tty;
+{
+ dont_repeat();
+ solib_add (args, from_tty, (struct target_ops *)0);
+}
+
+void
+_initialize_solib()
+{
+
+ add_com("sharedlibrary", class_files, sharedlibrary_command,
+ "Load shared object library symbols for files matching REGEXP.");
+ add_info("sharedlibrary", solib_info,
+ "Status of loaded shared object libraries");
+}