diff options
Diffstat (limited to 'gdb/compile/compile-c-symbols.c')
| -rw-r--r-- | gdb/compile/compile-c-symbols.c | 53 |
1 files changed, 5 insertions, 48 deletions
diff --git a/gdb/compile/compile-c-symbols.c b/gdb/compile/compile-c-symbols.c index 7a38d3a6d59..7070e5e88f3 100644 --- a/gdb/compile/compile-c-symbols.c +++ b/gdb/compile/compile-c-symbols.c @@ -30,7 +30,7 @@ #include "gdbtypes.h" #include "dwarf2/loc.h" #include "inferior.h" - +#include "gdbsupport/unordered_set.h" /* Compute the name of the pointer representing a local symbol's address. */ @@ -441,46 +441,6 @@ gcc_symbol_address (void *datum, struct gcc_c_context *gcc_context, return result; } - - -/* A hash function for symbol names. */ - -static hashval_t -hash_symname (const void *a) -{ - const struct symbol *sym = (const struct symbol *) a; - - return htab_hash_string (sym->natural_name ()); -} - -/* A comparison function for hash tables that just looks at symbol - names. */ - -static int -eq_symname (const void *a, const void *b) -{ - const struct symbol *syma = (const struct symbol *) a; - const struct symbol *symb = (const struct symbol *) b; - - return strcmp (syma->natural_name (), symb->natural_name ()) == 0; -} - -/* If a symbol with the same name as SYM is already in HASHTAB, return - 1. Otherwise, add SYM to HASHTAB and return 0. */ - -static int -symbol_seen (htab_t hashtab, struct symbol *sym) -{ - void **slot; - - slot = htab_find_slot (hashtab, sym, INSERT); - if (*slot != NULL) - return 1; - - *slot = sym; - return 0; -} - /* Generate C code to compute the length of a VLA. */ static void @@ -626,19 +586,16 @@ generate_c_for_variable_locations (compile_instance *compiler, /* Ensure that a given name is only entered once. This reflects the reality of shadowing. */ - htab_up symhash (htab_create_alloc (1, hash_symname, eq_symname, NULL, - xcalloc, xfree)); + gdb::unordered_set<std::string_view> symset; while (1) { /* Iterate over symbols in this block, generating code to compute the location of each local variable. */ for (struct symbol *sym : block_iterator_range (block)) - { - if (!symbol_seen (symhash.get (), sym)) - generate_c_for_for_one_variable (compiler, stream, gdbarch, - registers_used, pc, sym); - } + if (symset.insert (sym->natural_name ()).second) + generate_c_for_for_one_variable (compiler, stream, gdbarch, + registers_used, pc, sym); /* If we just finished the outermost block of a function, we're done. */ |