X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Fbe%2Fbegnuas.c;h=10798241ece2bcc8221773f8d675873159d6522b;hb=5cb14f12bacb0c7d1c646112b4660d57e14236a2;hp=fc8dc4a546cd4ed50b99ae77c60d5c0651151475;hpb=15e89f31af0f689717f64f3013bce503046b0e56;p=libfirm diff --git a/ir/be/begnuas.c b/ir/be/begnuas.c index fc8dc4a54..10798241e 100644 --- a/ir/be/begnuas.c +++ b/ir/be/begnuas.c @@ -69,6 +69,7 @@ static const char *get_section_name(be_gas_section_t section) { ".section\t.bss", ".section\t.tbss,\"awT\",@nobits", ".section\t.ctors,\"aw\",@progbits", + ".section\t.dtors,\"aw\",@progbits", NULL, /* no cstring section */ NULL, NULL @@ -80,6 +81,7 @@ static const char *get_section_name(be_gas_section_t section) { ".section\t.bss", ".section\t.tbss,\"awT\",@nobits", ".section\t.ctors,\"aw\",@progbits", + ".section\t.dtors,\"aw\",@progbits", NULL, NULL, NULL @@ -91,6 +93,7 @@ static const char *get_section_name(be_gas_section_t section) { ".section\t.bss", ".section\t.tbss,\"awT\",@nobits", ".section\t.ctors,\"aw\",@progbits", + ".section\t.dtors,\"aw\",@progbits", NULL, NULL, NULL @@ -102,6 +105,7 @@ static const char *get_section_name(be_gas_section_t section) { ".data", NULL, /* TLS is not supported on Mach-O */ ".mod_init_func", + 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" @@ -167,7 +171,11 @@ void be_gas_emit_function_prolog(ir_entity *entity, unsigned alignment) 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: @@ -241,45 +249,58 @@ static void dump_arith_tarval(tarval *tv, int bytes) return; case 12: - be_emit_irprintf("0x%02x%02x%02x%02x%02x%02x%02x%02x" - "%02x%02x%02x%02x", 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)); + /* 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)); + 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\n", bytes); + 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); } /** @@ -480,7 +501,7 @@ static void dump_size_type(size_t size) { 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); } } @@ -791,7 +812,7 @@ static void dump_bitfield(normal_or_bitfield *vals, size_t offset_bits, 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 */ @@ -1035,7 +1056,7 @@ static void dump_compound_init(be_gas_decl_env_t *env, ir_entity *ent) 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 */ @@ -1100,7 +1121,7 @@ static void emit_align(unsigned alignment) 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(); } @@ -1168,6 +1189,15 @@ static void dump_global(be_gas_decl_env_t *env, ir_entity *ent) 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"); @@ -1289,9 +1319,13 @@ void be_gas_emit_decls(const be_main_env_t *main_env, 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);