diff options
Diffstat (limited to 'gdb/alpha-tdep.c')
| -rw-r--r-- | gdb/alpha-tdep.c | 21 |
1 files changed, 17 insertions, 4 deletions
diff --git a/gdb/alpha-tdep.c b/gdb/alpha-tdep.c index 2bd3b266cee..cd29c95e4f7 100644 --- a/gdb/alpha-tdep.c +++ b/gdb/alpha-tdep.c @@ -666,10 +666,18 @@ alpha_heuristic_proc_start (CORE_ADDR pc) CORE_ADDR last_non_nop = pc; CORE_ADDR fence = pc - heuristic_fence_post; CORE_ADDR orig_pc = pc; + CORE_ADDR func; if (pc == 0) return 0; + /* First see if we can find the start of the function from minimal + symbol information. This can succeed with a binary that doesn't + have debug info, but hasn't been stripped. */ + func = get_pc_function_start (pc); + if (func) + return func; + if (heuristic_fence_post == UINT_MAX || fence < tdep->vm_min_address) fence = tdep->vm_min_address; @@ -725,7 +733,7 @@ Otherwise, you told GDB there was a function where there isn't one, or\n\ return 0; } -struct alpha_heuristic_unwind_cache * +static struct alpha_heuristic_unwind_cache * alpha_heuristic_frame_unwind_cache (struct frame_info *next_frame, void **this_prologue_cache, CORE_ADDR start_pc) @@ -882,7 +890,7 @@ alpha_heuristic_frame_unwind_cache (struct frame_info *next_frame, /* Given a GDB frame, determine the address of the calling function's frame. This will be used to create a new GDB frame struct. */ -void +static void alpha_heuristic_frame_this_id (struct frame_info *next_frame, void **this_prologue_cache, struct frame_id *this_id) @@ -890,12 +898,17 @@ alpha_heuristic_frame_this_id (struct frame_info *next_frame, struct alpha_heuristic_unwind_cache *info = alpha_heuristic_frame_unwind_cache (next_frame, this_prologue_cache, 0); + /* This is meant to halt the backtrace at "_start". Make sure we + don't halt it at a generic dummy frame. */ + if (inside_entry_file (info->start_pc)) + return; + *this_id = frame_id_build (info->vfp, info->start_pc); } /* Retrieve the value of REGNUM in FRAME. Don't give up! */ -void +static void alpha_heuristic_frame_prev_register (struct frame_info *next_frame, void **this_prologue_cache, int regnum, int *optimizedp, @@ -954,7 +967,7 @@ alpha_heuristic_frame_p (CORE_ADDR pc) return &alpha_heuristic_frame_unwind; } -CORE_ADDR +static CORE_ADDR alpha_heuristic_frame_base_address (struct frame_info *next_frame, void **this_prologue_cache) { |