diff options
| -rw-r--r-- | gcc/config/i386/sysv4.h | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/gcc/config/i386/sysv4.h b/gcc/config/i386/sysv4.h index 46a1eaa..e685b9a 100644 --- a/gcc/config/i386/sysv4.h +++ b/gcc/config/i386/sysv4.h @@ -151,3 +151,77 @@ the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */ fprintf ((FILE), "\n"); \ } \ while (0) + +/* This is how to output an element of a case-vector that is relative. + This is only used for PIC code. See comments by the `casesi' insn in + i386.md for an explanation of the expression this outputs. */ + +#undef ASM_OUTPUT_ADDR_DIFF_ELT +#define ASM_OUTPUT_ADDR_DIFF_ELT(FILE, VALUE, REL) \ + fprintf (FILE, "\t.long _GLOBAL_OFFSET_TABLE_+[.-%s%d]\n", LPREFIX, VALUE) + +/* Indicate that jump tables go in the text section. This is + necessary when compiling PIC code. */ + +#define JUMP_TABLES_IN_TEXT_SECTION + +#define WEAK_ASM_OP ".weak" +#define DEF_ASM_OP ".set" + +/* Biggest alignment that any structure field can require on this + machine, in bits. If packing is in effect, this can be smaller than + normal. */ + +#define BIGGEST_FIELD_ALIGNMENT \ + (maximum_field_alignment ? maximum_field_alignment : 32) + +extern int maximum_field_alignment; + +/* If bit field type is int, don't let it cross an int, + and give entire struct the alignment of an int. */ +/* Required on the 386 since it doesn't have bitfield insns. */ +/* If packing is in effect, then the type doesn't matter. */ + +#undef PCC_BITFIELD_TYPE_MATTERS +#define PCC_BITFIELD_TYPE_MATTERS (maximum_field_alignment == 0) + +/* Code to handle #pragma directives. The interface is a bit messy, + but there's no simpler way to do this while still using yylex. */ +#define HANDLE_PRAGMA(FILE) \ + do { \ + while (c == ' ' || c == '\t') \ + c = getc (FILE); \ + if (c == '\n' || c == EOF) \ + { \ + handle_pragma_token (0, 0); \ + return c; \ + } \ + ungetc (c, FILE); \ + switch (yylex ()) \ + { \ + case IDENTIFIER: \ + case TYPENAME: \ + case STRING: \ + case CONSTANT: \ + handle_pragma_token (token_buffer, yylval.ttype); \ + break; \ + default: \ + handle_pragma_token (token_buffer, 0); \ + } \ + if (nextchar >= 0) \ + c = nextchar, nextchar = -1; \ + else \ + c = getc (FILE); \ + } while (1) + +/* This says how to output assembler code to declare an + uninitialized internal linkage data object. Under SVR4, + the linker seems to want the alignment of data objects + to depend on their types. We do exactly that here. */ + +#undef ASM_OUTPUT_ALIGNED_LOCAL +#define ASM_OUTPUT_ALIGNED_LOCAL(FILE, NAME, SIZE, ALIGN) \ +do { \ + fprintf (FILE, "\t.local\t%s\n", NAME); \ + ASM_OUTPUT_ALIGNED_COMMON(FILE, NAME, SIZE, ALIGN); \ +} while (0) |