diff options
| -rw-r--r-- | gold/options.cc | 18 | ||||
| -rw-r--r-- | gold/options.h | 15 |
2 files changed, 32 insertions, 1 deletions
diff --git a/gold/options.cc b/gold/options.cc index b27afe8..916ccf4 100644 --- a/gold/options.cc +++ b/gold/options.cc @@ -172,6 +172,17 @@ parse_uint64(const char* option_name, const char* arg, uint64_t *retval) } void +parse_double(const char* option_name, const char* arg, double* retval) +{ + char* endptr; + *retval = strtod(arg, &endptr); + if (*endptr != '\0') + gold_fatal(_("%s: invalid option value " + "(expected a floating point number): %s"), + option_name, arg); +} + +void parse_string(const char* option_name, const char* arg, const char** retval) { if (*arg == '\0') @@ -661,6 +672,13 @@ General_options::finalize() && (this->shared() || this->relocatable())) gold_fatal(_("binary output format not compatible with -shared or -r")); + if (this->user_set_hash_bucket_empty_fraction() + && (this->hash_bucket_empty_fraction() < 0.0 + || this->hash_bucket_empty_fraction() >= 1.0)) + gold_fatal(_("--hash-bucket-empty-fraction value %g out of range " + "[0.0, 1.0)"), + this->hash_bucket_empty_fraction()); + // FIXME: we can/should be doing a lot more sanity checking here. } diff --git a/gold/options.h b/gold/options.h index 4fe73ab..1dff71f 100644 --- a/gold/options.h +++ b/gold/options.h @@ -71,7 +71,10 @@ extern void parse_uint(const char* option_name, const char* arg, int* retval); extern void -parse_uint64(const char* option_name, const char* arg, uint64_t *retval); +parse_uint64(const char* option_name, const char* arg, uint64_t* retval); + +extern void +parse_double(const char* option_name, const char* arg, double* retval); extern void parse_string(const char* option_name, const char* arg, const char** retval); @@ -281,6 +284,12 @@ struct Struct_special : public Struct_var #default_value__, helpstring__, helparg__, \ uint64_t, uint64_t, options::parse_uint64) +#define DEFINE_double(varname__, dashes__, shortname__, default_value__, \ + helpstring__, helparg__) \ + DEFINE_var(varname__, dashes__, shortname__, default_value__, \ + #default_value__, helpstring__, helparg__, \ + double, double, options::parse_double) + #define DEFINE_string(varname__, dashes__, shortname__, default_value__, \ helpstring__, helparg__) \ DEFINE_var(varname__, dashes__, shortname__, default_value__, \ @@ -466,6 +475,10 @@ class General_options DEFINE_string(soname, options::ONE_DASH, 'h', NULL, N_("Set shared library name"), N_("FILENAME")); + DEFINE_double(hash_bucket_empty_fraction, options::TWO_DASHES, '\0', 0.0, + N_("Min fraction of empty buckets in dynamic hash"), + N_("FRACTION")); + DEFINE_enum(hash_style, options::TWO_DASHES, '\0', "sysv", N_("Dynamic hash style"), N_("[sysv,gnu,both]"), {"sysv", "gnu", "both"}); |