diff options
Diffstat (limited to 'gdb/frame.c')
| -rw-r--r-- | gdb/frame.c | 46 |
1 files changed, 43 insertions, 3 deletions
diff --git a/gdb/frame.c b/gdb/frame.c index 7932b48..12a38e7 100644 --- a/gdb/frame.c +++ b/gdb/frame.c @@ -70,6 +70,12 @@ struct frame_info moment leave this as speculation. */ int level; + /* The frame's program space. */ + struct program_space *pspace; + + /* The frame's address space. */ + struct address_space *aspace; + /* The frame's low-level unwinder and corresponding cache. The low-level unwinder is responsible for unwinding register values for the previous frame. The low-level unwind methods are @@ -1059,10 +1065,12 @@ put_frame_register_bytes (struct frame_info *frame, int regnum, /* Create a sentinel frame. */ static struct frame_info * -create_sentinel_frame (struct regcache *regcache) +create_sentinel_frame (struct program_space *pspace, struct regcache *regcache) { struct frame_info *frame = FRAME_OBSTACK_ZALLOC (struct frame_info); frame->level = -1; + frame->pspace = pspace; + frame->aspace = get_regcache_aspace (regcache); /* Explicitly initialize the sentinel frame's cache. Provide it with the underlying regcache. In the future additional information, such as the frame's thread will be added. */ @@ -1144,7 +1152,7 @@ get_current_frame (void) if (current_frame == NULL) { struct frame_info *sentinel_frame = - create_sentinel_frame (get_current_regcache ()); + create_sentinel_frame (current_program_space, get_current_regcache ()); if (catch_exceptions (uiout, unwind_to_current_frame, sentinel_frame, RETURN_MASK_ERROR) != 0) { @@ -1275,7 +1283,7 @@ create_new_frame (CORE_ADDR addr, CORE_ADDR pc) fi = FRAME_OBSTACK_ZALLOC (struct frame_info); - fi->next = create_sentinel_frame (get_current_regcache ()); + fi->next = create_sentinel_frame (current_program_space, get_current_regcache ()); /* Set/update this frame's cached PC value, found in the next frame. Do this before looking for this frame's unwinder. A sniffer is @@ -1284,6 +1292,10 @@ create_new_frame (CORE_ADDR addr, CORE_ADDR pc) fi->next->prev_pc.value = pc; fi->next->prev_pc.p = 1; + /* We currently assume that frame chain's can't cross spaces. */ + fi->pspace = fi->next->pspace; + fi->aspace = fi->next->aspace; + /* Select/initialize both the unwind function and the frame's type based on the PC. */ fi->unwind = frame_unwind_find_by_frame (fi, &fi->prologue_cache); @@ -1557,6 +1569,11 @@ get_prev_frame_raw (struct frame_info *this_frame) prev_frame = FRAME_OBSTACK_ZALLOC (struct frame_info); prev_frame->level = this_frame->level + 1; + /* For now, assume we don't have frame chains crossing address + spaces. */ + prev_frame->pspace = this_frame->pspace; + prev_frame->aspace = this_frame->aspace; + /* Don't yet compute ->unwind (and hence ->type). It is computed on-demand in get_frame_type, frame_register_unwind, and get_frame_id. */ @@ -1939,6 +1956,29 @@ get_frame_type (struct frame_info *frame) return frame->unwind->type; } +struct program_space * +get_frame_program_space (struct frame_info *frame) +{ + return frame->pspace; +} + +struct program_space * +frame_unwind_program_space (struct frame_info *this_frame) +{ + gdb_assert (this_frame); + + /* This is really a placeholder to keep the API consistent --- we + assume for now that we don't have frame chains crossing + spaces. */ + return this_frame->pspace; +} + +struct address_space * +get_frame_address_space (struct frame_info *frame) +{ + return frame->aspace; +} + /* Memory access methods. */ void |