diff options
| author | Aaron Robinson <arobins@microsoft.com> | 2022-03-16 19:47:28 -0700 |
|---|---|---|
| committer | Dave Watson <dade.watson@gmail.com> | 2022-05-22 10:58:11 -0700 |
| commit | 28ca328b0b34bb0d08ebf0f173b191f3f4ee9e23 (patch) | |
| tree | 5151024d751c6f10e71f39b91a572cbaa59bf0e2 /src | |
| parent | a9d50ef5066e8ff959dee5df5f997cc72c528f26 (diff) | |
| download | libunwind-28ca328b0b34bb0d08ebf0f173b191f3f4ee9e23.tar.gz | |
Fix issues with 4701
Diffstat (limited to 'src')
| -rw-r--r-- | src/dwarf/Gfind_proc_info-lsb.c | 6 | ||||
| -rw-r--r-- | src/dwarf/Gparser.c | 3 | ||||
| -rw-r--r-- | src/x86_64/Gstep.c | 4 |
3 files changed, 7 insertions, 6 deletions
diff --git a/src/dwarf/Gfind_proc_info-lsb.c b/src/dwarf/Gfind_proc_info-lsb.c index 824e9eb9..8274733e 100644 --- a/src/dwarf/Gfind_proc_info-lsb.c +++ b/src/dwarf/Gfind_proc_info-lsb.c @@ -910,15 +910,15 @@ dwarf_search_unwind_table (unw_addr_space_t as, unw_word_t ip, unw_dyn_info_t *di, unw_proc_info_t *pi, int need_unwind_info, void *arg) { - const struct table_entry *e = NULL, *table; + const struct table_entry *e = NULL, *table = NULL; unw_word_t ip_base = 0, segbase = 0, last_ip, fde_addr; unw_accessors_t *a; #ifndef UNW_LOCAL_ONLY struct table_entry ent; #endif int ret; - unw_word_t debug_frame_base; - size_t table_len; + unw_word_t debug_frame_base = 0; + size_t table_len = 0; #ifdef UNW_REMOTE_ONLY assert (is_remote_table(di->format)); diff --git a/src/dwarf/Gparser.c b/src/dwarf/Gparser.c index 7abf199c..66976dcb 100644 --- a/src/dwarf/Gparser.c +++ b/src/dwarf/Gparser.c @@ -994,7 +994,7 @@ apply_reg_state (struct dwarf_cursor *c, struct dwarf_reg_state *rs) static int find_reg_state (struct dwarf_cursor *c, dwarf_state_record_t *sr) { - dwarf_reg_state_t *rs; + dwarf_reg_state_t *rs = NULL; struct dwarf_rs_cache *cache; int ret = 0; intrmask_t saved_mask; @@ -1070,6 +1070,7 @@ dwarf_make_proc_info (struct dwarf_cursor *c) args_size, and set cursor appropriately. Only needed for unw_resume */ dwarf_state_record_t sr; + sr.args_size = 0; int ret; /* Lookup it up the slow way... */ diff --git a/src/x86_64/Gstep.c b/src/x86_64/Gstep.c index fdad298c..4216d188 100644 --- a/src/x86_64/Gstep.c +++ b/src/x86_64/Gstep.c @@ -112,7 +112,7 @@ unw_step (unw_cursor_t *cursor) unw_word_t invalid_prev_rip = 0; unw_word_t prev_ip = c->dwarf.ip, prev_cfa = c->dwarf.cfa; - struct dwarf_loc rbp_loc, rsp_loc, rip_loc; + struct dwarf_loc rbp_loc = DWARF_NULL_LOC, rsp_loc = DWARF_NULL_LOC, rip_loc = DWARF_NULL_LOC; /* We could get here because of missing/bad unwind information. Validate all addresses before dereferencing. */ @@ -253,7 +253,7 @@ unw_step (unw_cursor_t *cursor) } /* Mark all registers unsaved */ for (i = 0; i < DWARF_NUM_PRESERVED_REGS; ++i) - c->dwarf.loc[i] = DWARF_NULL_LOC; + c->dwarf.loc[i] = DWARF_NULL_LOC; c->dwarf.loc[RBP] = rbp_loc; c->dwarf.loc[RSP] = rsp_loc; |