diff options
Diffstat (limited to 'gdb/dwarf2-frame.c')
| -rw-r--r-- | gdb/dwarf2-frame.c | 24 |
1 files changed, 10 insertions, 14 deletions
diff --git a/gdb/dwarf2-frame.c b/gdb/dwarf2-frame.c index c41db79..719e065 100644 --- a/gdb/dwarf2-frame.c +++ b/gdb/dwarf2-frame.c @@ -39,6 +39,7 @@ #include "ax.h" #include "dwarf2loc.h" #include "dwarf2-frame-tailcall.h" +#include "gdbsupport/gdb_binary_search.h" #if GDB_SELF_TEST #include "gdbsupport/selftest.h" #include "selftest-arch.h" @@ -1652,15 +1653,12 @@ find_cie (const dwarf2_cie_table &cie_table, ULONGEST cie_pointer) return NULL; } -static int -bsearch_fde_cmp (const void *key, const void *element) +static inline int +bsearch_fde_cmp (const dwarf2_fde *fde, CORE_ADDR seek_pc) { - CORE_ADDR seek_pc = *(CORE_ADDR *) key; - struct dwarf2_fde *fde = *(struct dwarf2_fde **) element; - - if (seek_pc < fde->initial_location) + if (fde->initial_location + fde->address_range <= seek_pc) return -1; - if (seek_pc < fde->initial_location + fde->address_range) + if (fde->initial_location <= seek_pc) return 0; return 1; } @@ -1674,7 +1672,6 @@ dwarf2_frame_find_fde (CORE_ADDR *pc, CORE_ADDR *out_offset) for (objfile *objfile : current_program_space->objfiles ()) { struct dwarf2_fde_table *fde_table; - struct dwarf2_fde **p_fde; CORE_ADDR offset; CORE_ADDR seek_pc; @@ -1697,15 +1694,14 @@ dwarf2_frame_find_fde (CORE_ADDR *pc, CORE_ADDR *out_offset) continue; seek_pc = *pc - offset; - p_fde = ((struct dwarf2_fde **) - bsearch (&seek_pc, fde_table->entries, fde_table->num_entries, - sizeof (fde_table->entries[0]), bsearch_fde_cmp)); - if (p_fde != NULL) + auto end = fde_table->entries + fde_table->num_entries; + auto it = gdb::binary_search (fde_table->entries, end, seek_pc, bsearch_fde_cmp); + if (it != end) { - *pc = (*p_fde)->initial_location + offset; + *pc = (*it)->initial_location + offset; if (out_offset) *out_offset = offset; - return *p_fde; + return *it; } } return NULL; |