".section\t.bss",
".section\t.tbss,\"awT\",@nobits",
".section\t.ctors,\"aw\",@progbits",
+ ".section\t.dtors,\"aw\",@progbits",
+ NULL, /* no cstring section */
NULL,
+ NULL
},
{ /* GAS_FLAVOUR_MINGW */
".section\t.text",
".section\t.bss",
".section\t.tbss,\"awT\",@nobits",
".section\t.ctors,\"aw\",@progbits",
+ ".section\t.dtors,\"aw\",@progbits",
+ NULL,
NULL,
+ NULL
},
{ /* GAS_FLAVOUR_YASM */
".section\t.text",
".section\t.bss",
".section\t.tbss,\"awT\",@nobits",
".section\t.ctors,\"aw\",@progbits",
+ ".section\t.dtors,\"aw\",@progbits",
+ NULL,
+ NULL,
NULL
},
{ /* GAS_FLAVOUR_MACH_O */
".data",
NULL, /* TLS is not supported on Mach-O */
".mod_init_func",
- ".cstring"
+ NULL, /* TODO: how is this called? */
+ ".cstring",
+ ".section\t__IMPORT,__jump_table,symbol_stubs,self_modifying_code+pure_instructions,5",
+ ".section\t__IMPORT,__pointers,non_lazy_symbol_pointers"
}
};
be_emit_write_line();
/* gcc fills space between function with 0x90, no idea if this is needed */
- if(be_gas_flavour == GAS_FLAVOUR_MACH_O) {
+ if (be_gas_flavour == GAS_FLAVOUR_MACH_O) {
fill_byte = "0x90";
}
- maximum_skip = (1 << alignment) - 1;
- be_emit_cstring("\t.p2align ");
- be_emit_irprintf("%u,%s,%u\n", alignment, fill_byte, maximum_skip);
- be_emit_write_line();
-
+ if (alignment > 0) {
+ maximum_skip = (1 << alignment) - 1;
+ be_emit_cstring("\t.p2align ");
+ be_emit_irprintf("%u,%s,%u\n", alignment, fill_byte, maximum_skip);
+ be_emit_write_line();
+ }
if (get_entity_visibility(entity) == visibility_external_visible) {
be_emit_cstring(".globl ");
be_emit_string(name);
case GAS_FLAVOUR_MINGW:
be_emit_cstring("\t.def\t");
be_emit_string(name);
- be_emit_cstring(";\t.scl\t2;\t.type\t32;\t.endef\n");
+ if (get_entity_visibility(entity) == visibility_external_visible) {
+ be_emit_cstring(";\t.scl\t2;\t.type\t32;\t.endef\n");
+ } else {
+ be_emit_cstring(";\t.scl\t3;\t.type\t32;\t.endef\n");
+ }
be_emit_write_line();
break;
case GAS_FLAVOUR_MACH_O:
switch (bytes) {
case 1:
be_emit_irprintf("0x%02x", get_tarval_sub_bits(tv, 0));
- break;
+ return;
case 2:
be_emit_irprintf("0x%02x%02x", get_tarval_sub_bits(tv, 1), get_tarval_sub_bits(tv, 0));
- break;
+ return;
case 4:
be_emit_irprintf("0x%02x%02x%02x%02x",
get_tarval_sub_bits(tv, 3), get_tarval_sub_bits(tv, 2), get_tarval_sub_bits(tv, 1), get_tarval_sub_bits(tv, 0));
- break;
+ return;
case 8:
be_emit_irprintf("0x%02x%02x%02x%02x%02x%02x%02x%02x",
get_tarval_sub_bits(tv, 7), get_tarval_sub_bits(tv, 6), get_tarval_sub_bits(tv, 5), get_tarval_sub_bits(tv, 4),
get_tarval_sub_bits(tv, 3), get_tarval_sub_bits(tv, 2), get_tarval_sub_bits(tv, 1), get_tarval_sub_bits(tv, 0));
- break;
+ return;
- case 10:
case 12:
- break;
+ /* Beware: Mixed endian output! One little endian number emitted as
+ * three longs. Each long initializer is written in big endian. */
+ be_emit_irprintf(
+ "\t.long\t0x%02x%02x%02x%02x\n"
+ "\t.long\t0x%02x%02x%02x%02x\n"
+ "\t.long\t0x%02x%02x%02x%02x",
+ get_tarval_sub_bits(tv, 3), get_tarval_sub_bits(tv, 2),
+ get_tarval_sub_bits(tv, 1), get_tarval_sub_bits(tv, 0),
+ get_tarval_sub_bits(tv, 7), get_tarval_sub_bits(tv, 6),
+ get_tarval_sub_bits(tv, 5), get_tarval_sub_bits(tv, 4),
+ get_tarval_sub_bits(tv, 11), get_tarval_sub_bits(tv, 10),
+ get_tarval_sub_bits(tv, 9), get_tarval_sub_bits(tv, 8)
+ );
+ return;
case 16:
- be_emit_irprintf("0x%02x%02x%02x%02x%02x%02x%02x%02x"
- "%02x%02x%02x%02x%02x%02x%02x%02x",
+ be_emit_irprintf(
+ "\t.long\t0x%02x%02x%02x%02x0x%02x%02x%02x%02x0x%02x%02x%02x%02x0x%02x%02x%02x%02x",
get_tarval_sub_bits(tv, 15), get_tarval_sub_bits(tv, 16),
get_tarval_sub_bits(tv, 13), get_tarval_sub_bits(tv, 12),
get_tarval_sub_bits(tv, 11), get_tarval_sub_bits(tv, 10),
- get_tarval_sub_bits(tv, 9), get_tarval_sub_bits(tv, 8),
- get_tarval_sub_bits(tv, 7), get_tarval_sub_bits(tv, 6),
- get_tarval_sub_bits(tv, 5), get_tarval_sub_bits(tv, 4),
- get_tarval_sub_bits(tv, 3), get_tarval_sub_bits(tv, 2),
- get_tarval_sub_bits(tv, 1), get_tarval_sub_bits(tv, 0));
- break;
-
-
- default:
- fprintf(stderr, "Try to dump an tarval with %d bytes\n", bytes);
- assert(0);
+ get_tarval_sub_bits(tv, 9), get_tarval_sub_bits(tv, 8),
+ get_tarval_sub_bits(tv, 7), get_tarval_sub_bits(tv, 6),
+ get_tarval_sub_bits(tv, 5), get_tarval_sub_bits(tv, 4),
+ get_tarval_sub_bits(tv, 3), get_tarval_sub_bits(tv, 2),
+ get_tarval_sub_bits(tv, 1), get_tarval_sub_bits(tv, 0)
+ );
+ return;
}
+
+ panic("Can't dump a tarval with %d bytes", bytes);
}
/**
* Return the label prefix for labeled blocks.
*/
-const char *be_gas_label_prefix(void) {
+const char *be_gas_block_label_prefix(void) {
return ".LG";
}
+/**
+ * Return the label prefix for labeled instructions.
+ */
+const char *be_gas_insn_label_prefix(void) {
+ return ".LE";
+}
+
/**
* Dump a label.
*/
static void dump_label(ir_label_t label) {
- be_emit_irprintf("%s%ld", be_gas_label_prefix(), label);
+ be_emit_irprintf("%s%lu", be_gas_block_label_prefix(), label);
}
/**
return;
case iro_Add:
+ if (!mode_is_int(mode) && !mode_is_reference(mode)) {
+ panic("Constant must be int or pointer for '+' to work");
+ }
do_dump_atomic_init(env, get_Add_left(init));
be_emit_cstring(" + ");
do_dump_atomic_init(env, get_Add_right(init));
return;
case iro_Sub:
+ if (!mode_is_int(mode) && !mode_is_reference(mode)) {
+ panic("Constant must be int or pointer for '-' to work");
+ }
do_dump_atomic_init(env, get_Sub_left(init));
be_emit_cstring(" - ");
do_dump_atomic_init(env, get_Sub_right(init));
return;
case iro_Mul:
+ if (!mode_is_int(mode) && !mode_is_reference(mode)) {
+ panic("Constant must be int or pointer for '*' to work");
+ }
do_dump_atomic_init(env, get_Mul_left(init));
be_emit_cstring(" * ");
do_dump_atomic_init(env, get_Mul_right(init));
break;
default:
- panic("Try to dump a type with %u bytes\n", (unsigned) size);
+ panic("Try to dump a type with %u bytes", (unsigned)size);
}
}
panic("bitfield initializer is compound");
}
if (tv == NULL) {
- panic("Couldn't get numeric value for bitfield initializer\n");
+ panic("Couldn't get numeric value for bitfield initializer");
}
/* normalize offset */
/* now write values sorted */
for (k = 0; k < size; ) {
- int space = 0, skip = 0;
+ int space = 0;
+ int elem_size = 1;
if (vals[k].kind == NORMAL) {
if(vals[k].v.value != NULL) {
dump_atomic_init(env, vals[k].v.value);
- skip = get_mode_size_bytes(get_irn_mode(vals[k].v.value)) - 1;
+ elem_size = get_mode_size_bytes(get_irn_mode(vals[k].v.value));
} else {
- space = 1;
+ elem_size = 0;
}
} else if(vals[k].kind == TARVAL) {
tarval *tv = vals[k].v.tarval;
assert(tv != NULL);
- skip = size - 1;
+ elem_size = size;
dump_size_type(size);
dump_arith_tarval(tv, size);
be_emit_char('\n');
be_emit_write_line();
}
- ++k;
+ k += elem_size;
while (k < size && vals[k].kind == NORMAL && vals[k].v.value == NULL) {
++space;
++k;
}
- space -= skip;
- assert(space >= 0);
/* a gap */
if (space > 0) {
tarval *tv = get_atomic_init_tv(value);
unsigned char curr_bits, last_bits = 0;
if (tv == NULL) {
- panic("Couldn't get numeric value for bitfield initializer '%s'\n",
+ panic("Couldn't get numeric value for bitfield initializer '%s'",
get_entity_ld_name(ent));
}
/* normalize offset */
if (!is_po2(alignment))
panic("alignment not a power of 2");
- be_emit_irprintf(".p2align\t%u\n", log2_floor(alignment));
+ be_emit_irprintf("\t.p2align\t%u\n", log2_floor(alignment));
be_emit_write_line();
}
ir_variability variability = get_entity_variability(ent);
ir_visibility visibility = get_entity_visibility(ent);
+ if (is_Method_type(type) && section != GAS_SECTION_PIC_TRAMPOLINES) {
+ return;
+ }
+
if (section != (be_gas_section_t) -1) {
emit_as_common = 0;
} else if (variability == variability_constant) {
section = GAS_SECTION_COMMON;
if (visibility != visibility_local)
emit_as_common = 1;
+ } else {
+ section = GAS_SECTION_DATA;
}
if(!emit_as_common) {
return;
}
/* alignment */
- if (align > 1 && !emit_as_common) {
+ if (align > 1 && !emit_as_common && section != GAS_SECTION_PIC_TRAMPOLINES
+ && section != GAS_SECTION_PIC_SYMBOLS) {
emit_align(align);
}
+ if (visibility != visibility_external_allocated && !emit_as_common
+ && be_gas_flavour == GAS_FLAVOUR_ELF) {
+ be_emit_cstring("\t.type\t");
+ be_emit_ident(ld_ident);
+ be_emit_cstring(", @object\n\t.size\t");
+ be_emit_ident(ld_ident);
+ be_emit_irprintf(", %u\n", get_type_size_bytes(type));
+ }
+
if (!emit_as_common) {
be_emit_ident(ld_ident);
be_emit_cstring(":\n");
be_emit_write_line();
break;
}
+ } else if (section == GAS_SECTION_PIC_TRAMPOLINES) {
+ if (be_gas_flavour == GAS_FLAVOUR_MACH_O) {
+ be_emit_cstring("\t.indirect_symbol ");
+ be_emit_ident(get_entity_ident(ent));
+ be_emit_char('\n');
+ be_emit_write_line();
+ be_emit_cstring("\thlt ; hlt ; hlt ; hlt ; hlt\n");
+ be_emit_write_line();
+ } else {
+ panic("PIC trampolines not yet supported in this gas mode");
+ }
} else {
be_emit_irprintf("\t.space %u\n", get_type_size_bytes(type));
be_emit_write_line();
be_gas_dump_globals(get_glob_type(), &env, only_emit_marked_entities);
env.section = GAS_SECTION_TLS;
be_gas_dump_globals(get_tls_type(), &env, only_emit_marked_entities);
- env.section = GAS_SECTION_CTOR;
- be_gas_dump_globals(get_constructors_type(), &env,
+ env.section = GAS_SECTION_CONSTRUCTORS;
+ be_gas_dump_globals(get_segment_type(IR_SEGMENT_CONSTRUCTORS), &env,
only_emit_marked_entities);
+ env.section = GAS_SECTION_DESTRUCTORS;
+ be_gas_dump_globals(get_segment_type(IR_SEGMENT_DESTRUCTORS), &env,
+ only_emit_marked_entities);
+
+ env.section = GAS_SECTION_PIC_SYMBOLS;
+ be_gas_dump_globals(main_env->pic_symbols_type, &env,
+ only_emit_marked_entities);
+
+ if (get_compound_n_members(main_env->pic_trampolines_type) > 0) {
+ env.section = GAS_SECTION_PIC_TRAMPOLINES;
+ be_gas_dump_globals(main_env->pic_trampolines_type, &env,
+ only_emit_marked_entities);
+ if (be_gas_flavour == GAS_FLAVOUR_MACH_O) {
+ be_emit_cstring("\t.subsections_via_symbols\n");
+ be_emit_write_line();
+ }
+ }
}
projects / libfirm / blobdiff