diff options
Diffstat (limited to 'gnu/egcs/gcc/toplev.c')
| -rw-r--r-- | gnu/egcs/gcc/toplev.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/gnu/egcs/gcc/toplev.c b/gnu/egcs/gcc/toplev.c index 7443a766999..f8f616fb300 100644 --- a/gnu/egcs/gcc/toplev.c +++ b/gnu/egcs/gcc/toplev.c @@ -1257,6 +1257,12 @@ unsigned id_clash_len; int warn_larger_than; unsigned larger_than_size; +/* Nonzero means warn about any function whose stack usage is larger + than N bytes. The value N is in `stack_larger_than_size'. */ + +int warn_stack_larger_than; +unsigned stack_larger_than_size; + /* Nonzero means warn if inline function is too large. */ int warn_inline; @@ -4576,6 +4582,7 @@ display_help () printf (" -Wid-clash-<num> Warn if 2 identifiers have the same first <num> chars\n"); printf (" -Wlarger-than-<number> Warn if an object is larger than <number> bytes\n"); + printf (" -Wstack-larger-than-<number> Warn if a function stack usage is larger than <number> bytes\n"); printf (" -p Enable function profiling\n"); #if defined (BLOCK_PROFILER) || defined (FUNCTION_BLOCK_PROFILER) printf (" -a Enable block profiling \n"); @@ -5219,6 +5226,16 @@ main (argc, argv) warn_larger_than = 1; } } + else if (!strncmp (p, "stack-larger-than-", 18)) + { + const int stack_larger_than_val + = read_integral_parameter (p + 18, p - 2, -1); + if (stack_larger_than_val != -1) + { + stack_larger_than_size = stack_larger_than_val; + warn_stack_larger_than = 1; + } + } else error ("Invalid option `%s'", argv[i]); } |