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* alpha-mdebug-tdep.c (alpha_mdebug_frame_p): Reject prologues.

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(alpha_mdebug_frame_unwind_cache): Don't call the heuristic unwinder.
        (alpha_mdebug_frame_this_id): Likewise.
        (alpha_mdebug_frame_prev_register): Likewise.
        (alpha_mdebug_frame_base_address): Likewise.
        (alpha_mdebug_frame_locals_address): Likewise.
        (alpha_mdebug_frame_args_address): Likewise.
        (struct alpha_mdebug_unwind_cache): Remove in_prologue_cache.
        * alpha-tdep.c (alpha_heuristic_proc_start): Use get_pc_function_start.
        (alpha_heuristic_frame_unwind_cache): Make static; add missing
        loop increment.
        (alpha_heuristic_frame_this_id): Make static.
        (alpha_heuristic_frame_prev_register): Likewise.
        (alpha_heuristic_frame_base_address): Likewise.
        * alpha-tdep.h: Update.
This commit is contained in:
Richard Henderson
2003-05-31 00:27:46 +00:00
parent 86f1d0fbb5
commit fbe586aede
4 changed files with 85 additions and 110 deletions
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21
gdb/alpha-tdep.c
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@@ -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)
{