mips_extra_func_info_t proc_desc;
struct symtab_and_line sal;
CORE_ADDR func_addr, func_end;
+ CORE_ADDR startaddr = 0;
+
+ /* Pass a NULL next_frame to heuristic_proc_desc. We should not
+ attempt to read the stack pointer from the current machine state,
+ because the current machine state has nothing to do with the
+ information we need from the proc_desc; and the process may or
+ may not exist right now. */
+ proc_desc = non_heuristic_proc_desc (pc, &startaddr);
+ if (proc_desc)
+ {
+ /* IF this is the topmost frame AND (this proc does not have
+ debugging information OR the PC is in the procedure prologue)
+ THEN create a "heuristic" proc_desc (by analyzing the actual
+ code) to replace the "official" proc_desc. */
+ struct symtab_and_line val;
+ struct symbol *proc_symbol =
+ PROC_DESC_IS_DUMMY (proc_desc) ? 0 : PROC_SYMBOL (proc_desc);
+
+ if (proc_symbol)
+ {
+ val = find_pc_line (BLOCK_START
+ (SYMBOL_BLOCK_VALUE (proc_symbol)), 0);
+ val.pc = val.end ? val.end : pc;
+ }
+ if (!proc_symbol || pc < val.pc)
+ {
+ mips_extra_func_info_t found_heuristic =
+ heuristic_proc_desc (PROC_LOW_ADDR (proc_desc), pc, NULL);
+ if (found_heuristic)
+ proc_desc = found_heuristic;
+ }
+ }
+ else
+ {
+ if (startaddr == 0)
+ startaddr = heuristic_proc_start (pc);
- /* Pass a NULL next_frame to find_proc_desc. We should not attempt
- to read the stack pointer from the current machine state, because
- the current machine state has nothing to do with the information
- we need from the proc_desc; and the process may or may not exist
- right now. */
- proc_desc = find_proc_desc (pc, NULL);
+ proc_desc = heuristic_proc_desc (startaddr, pc, NULL);
+ }
if (proc_desc)
{
CORE_ADDR startaddr = 0;
proc_desc = non_heuristic_proc_desc (pc, &startaddr);
-
- if (proc_desc)
- {
- /* IF this is the topmost frame AND
- * (this proc does not have debugging information OR
- * the PC is in the procedure prologue)
- * THEN create a "heuristic" proc_desc (by analyzing
- * the actual code) to replace the "official" proc_desc.
- */
- if (next_frame == NULL)
- {
- struct symtab_and_line val;
- struct symbol *proc_symbol =
- PROC_DESC_IS_DUMMY (proc_desc) ? 0 : PROC_SYMBOL (proc_desc);
-
- if (proc_symbol)
- {
- val = find_pc_line (BLOCK_START
- (SYMBOL_BLOCK_VALUE (proc_symbol)), 0);
- val.pc = val.end ? val.end : pc;
- }
- if (!proc_symbol || pc < val.pc)
- {
- mips_extra_func_info_t found_heuristic =
- heuristic_proc_desc (PROC_LOW_ADDR (proc_desc),
- pc, next_frame);
- if (found_heuristic)
- proc_desc = found_heuristic;
- }
- }
- }
- else
+ if (proc_desc == NULL)
{
if (startaddr == 0)
startaddr = heuristic_proc_start (pc);