diff options
Diffstat (limited to 'contrib/gcc/config/freebsd.h')
| -rw-r--r-- | contrib/gcc/config/freebsd.h | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/contrib/gcc/config/freebsd.h b/contrib/gcc/config/freebsd.h index 019b3d3..b5064c2 100644 --- a/contrib/gcc/config/freebsd.h +++ b/contrib/gcc/config/freebsd.h @@ -542,6 +542,60 @@ extern void text_section (); #undef ASM_DECLARE_RESULT #define ASM_DECLARE_RESULT(FILE, RESULT) +/* These macros generate the special .type and .size directives which + are used to set the corresponding fields of the linker symbol table + entries in an ELF object file under SVR4/ELF. These macros also output + the starting labels for the relevant functions/objects. */ + +/* Write the extra assembler code needed to declare an object properly. */ + +#undef ASM_DECLARE_OBJECT_NAME +#define ASM_DECLARE_OBJECT_NAME(FILE, NAME, DECL) \ + do { \ + fprintf (FILE, "\t%s\t ", TYPE_ASM_OP); \ + assemble_name (FILE, NAME); \ + putc (',', FILE); \ + fprintf (FILE, TYPE_OPERAND_FMT, "object"); \ + putc ('\n', FILE); \ + size_directive_output = 0; \ + if (!flag_inhibit_size_directive && DECL_SIZE (DECL)) \ + { \ + size_directive_output = 1; \ + fprintf (FILE, "\t%s\t ", SIZE_ASM_OP); \ + assemble_name (FILE, NAME); \ + putc (',', FILE); \ + fprintf (FILE, HOST_WIDE_INT_PRINT_DEC, \ + int_size_in_bytes (TREE_TYPE (DECL))); \ + fputc ('\n', FILE); \ + } \ + ASM_OUTPUT_LABEL(FILE, NAME); \ + } while (0) + +/* Output the size directive for a decl in rest_of_decl_compilation + in the case where we did not do so before the initializer. + Once we find the error_mark_node, we know that the value of + size_directive_output was set + by ASM_DECLARE_OBJECT_NAME when it was run for the same decl. */ + +#undef ASM_FINISH_DECLARE_OBJECT +#define ASM_FINISH_DECLARE_OBJECT(FILE, DECL, TOP_LEVEL, AT_END) \ + do { \ + char *name = XSTR (XEXP (DECL_RTL (DECL), 0), 0); \ + if (!flag_inhibit_size_directive && DECL_SIZE (DECL) \ + && ! AT_END && TOP_LEVEL \ + && DECL_INITIAL (DECL) == error_mark_node \ + && !size_directive_output) \ + { \ + size_directive_output = 1; \ + fprintf (FILE, "\t%s\t ", SIZE_ASM_OP); \ + assemble_name (FILE, name); \ + putc (',', FILE); \ + fprintf (FILE, HOST_WIDE_INT_PRINT_DEC, \ + int_size_in_bytes (TREE_TYPE (DECL))); \ + fputc ('\n', FILE); \ + } \ + } while (0) + /************************[ Debugger stuff ]*********************************/ |
