diff options
Diffstat (limited to 'gcc/toplev.c')
| -rw-r--r-- | gcc/toplev.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/gcc/toplev.c b/gcc/toplev.c index 4d866cd1b17..2c8f9a24223 100644 --- a/gcc/toplev.c +++ b/gcc/toplev.c @@ -403,6 +403,11 @@ int flag_no_function_cse = 0; int flag_omit_frame_pointer = 0; +/* Nonzero means place each function into its own section on those platforms + which support arbitrary section names and unlimited numbers of sections. */ + +int flag_function_sections = 0; + /* Nonzero to inhibit use of define_optimization peephole opts. */ int flag_no_peephole = 0; @@ -564,6 +569,7 @@ struct { char *string; int *variable; int on_value;} f_options[] = {"fast-math", &flag_fast_math, 1}, {"common", &flag_no_common, 0}, {"inhibit-size-directive", &flag_inhibit_size_directive, 1}, + {"function-sections", &flag_function_sections, 1}, {"verbose-asm", &flag_verbose_asm, 1}, {"gnu-linker", &flag_gnu_linker, 1}, {"pack-struct", &flag_pack_struct, 1}, @@ -2187,6 +2193,24 @@ compile_file (name) ASM_IDENTIFY_LANGUAGE (asm_out_file); #endif +#ifndef ASM_OUTPUT_SECTION_NAME + if (flag_function_sections) + { + warning ("-ffunction-sections not supported for this target."); + flag_function_sections = 0; + } +#endif + + if (flag_function_sections + && (profile_flag || profile_block_flag)) + { + warning ("-ffunction-sections disabled; it makes profiling impossible."); + flag_function_sections = 0; + } + + if (flag_function_sections && write_symbols != NO_DEBUG) + warning ("-ffunction-sections may affect debugging on some targets."); + if (output_bytecode) { if (profile_flag || profile_block_flag) |