diff options
Diffstat (limited to 'contrib/gcc/flags.h')
-rw-r--r-- | contrib/gcc/flags.h | 43 |
1 files changed, 39 insertions, 4 deletions
diff --git a/contrib/gcc/flags.h b/contrib/gcc/flags.h index 226fb60..1c1fd0d 100644 --- a/contrib/gcc/flags.h +++ b/contrib/gcc/flags.h @@ -23,6 +23,7 @@ Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA #ifndef GCC_FLAGS_H #define GCC_FLAGS_H +#include "coretypes.h" #include "options.h" enum debug_info_type @@ -54,6 +55,25 @@ enum debug_info_level /* Specify how much debugging info to generate. */ extern enum debug_info_level debug_info_level; +/* A major contribution to object and executable size is debug + information size. A major contribution to debug information + size is struct descriptions replicated in several object files. + The following function determines whether or not debug information + should be generated for a given struct. The indirect parameter + indicates that the struct is being handled indirectly, via + a pointer. See opts.c for the implementation. */ + +enum debug_info_usage +{ + DINFO_USAGE_DFN, /* A struct definition. */ + DINFO_USAGE_DIR_USE, /* A direct use, such as the type of a variable. */ + DINFO_USAGE_IND_USE, /* An indirect use, such as through a pointer. */ + DINFO_USAGE_NUM_ENUMS /* The number of enumerators. */ +}; + +extern bool should_emit_struct_debug (tree type_decl, enum debug_info_usage); +extern void set_struct_debug_option (const char *value); + /* Nonzero means use GNU-only extensions in the generated symbolic debugging information. */ extern bool use_gnu_debug_info_extensions; @@ -102,6 +122,15 @@ extern bool extra_warnings; extern void set_Wunused (int setting); +/* Used to set the level of -Wstrict-aliasing, when no level is specified. + The external way to set the default level is to use + -Wstrict-aliasing=level. + ONOFF is assumed to take value 1 when -Wstrict-aliasing is specified, + and 0 otherwise. After calling this function, wstrict_aliasing will be + set to the default value of -Wstrict_aliasing=level. */ + +extern void set_warn_strict_aliasing (int onoff); + /* Nonzero means warn about any objects definitions whose size is larger than N bytes. Also want about function definitions whose returned values are larger than N bytes. The value N is in `larger_than_size'. */ @@ -109,6 +138,12 @@ extern void set_Wunused (int setting); extern bool warn_larger_than; extern HOST_WIDE_INT larger_than_size; +/* Nonzero means warn about any function whose frame size is larger + than N bytes. */ + +extern bool warn_frame_larger_than; +extern HOST_WIDE_INT frame_larger_than_size; + /* Nonzero means warn about constructs which might not be strict aliasing safe. */ @@ -226,10 +261,6 @@ extern int align_labels_log; extern int align_labels_max_skip; extern int align_functions_log; -/* Like align_functions_log above, but used by front-ends to force the - minimum function alignment. Zero means no alignment is forced. */ -extern int force_align_functions_log; - /* Nonzero if we dump in VCG format, not plain text. */ extern int dump_for_graph; @@ -267,6 +298,10 @@ extern const char *flag_random_seed; #define abi_version_at_least(N) \ (flag_abi_version == 0 || flag_abi_version >= (N)) +/* Return whether the function should be excluded from + instrumentation. */ +extern bool flag_instrument_functions_exclude_p (tree fndecl); + /* True if the given mode has a NaN representation and the treatment of NaN operands is important. Certain optimizations, such as folding x * 0 into 0, are not correct for NaN operands, and are normally |