X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Fbe%2Fia32%2Fia32_gen_decls.c;h=94722d2bc72a838e2a2baab6009d949225708fb9;hb=eee248543bd61ec5c3f6aaaa23b9b0cff042fb71;hp=f6ef7d6520013504315c0fcfd813b3401eb9e65c;hpb=3918d7b27c353596670cfc9a5303f7a25308b177;p=libfirm diff --git a/ir/be/ia32/ia32_gen_decls.c b/ir/be/ia32/ia32_gen_decls.c index f6ef7d652..94722d2bc 100644 --- a/ir/be/ia32/ia32_gen_decls.c +++ b/ir/be/ia32/ia32_gen_decls.c @@ -16,6 +16,7 @@ #include "entity.h" #include "irprog.h" +#include "ia32_emitter.h" #include "ia32_gen_decls.h" /************************************************************************/ @@ -25,32 +26,48 @@ */ static unsigned highest_bit(unsigned v) { - int res = -1; - - if (v >= (1U << 16U)) { - res += 16; - v >>= 16; - } - if (v >= (1U << 8U)) { - res += 8; - v >>= 8; - } - if (v >= (1U << 4U)) { - res += 4; - v >>= 4; - } - if (v >= (1U << 2U)) { - res += 2; - v >>= 2; - } - if (v >= (1U << 1U)) { - res += 1; - v >>= 1; - } - if (v >= 1) - res += 1; - - return res; + int res = -1; + + if (v >= (1U << 16U)) { + res += 16; + v >>= 16; + } + if (v >= (1U << 8U)) { + res += 8; + v >>= 8; + } + if (v >= (1U << 4U)) { + res += 4; + v >>= 4; + } + if (v >= (1U << 2U)) { + res += 2; + v >>= 2; + } + if (v >= (1U << 1U)) { + res += 1; + v >>= 1; + } + if (v >= 1) + res += 1; + + return res; +} + +static void ia32_dump_comm(struct obstack *obst, const char *name, visibility vis, int size, int align) { + switch (asm_flavour) { + case ASM_LINUX_GAS: + if (vis == visibility_local) + obstack_printf(obst, "\t.local\t%s\n", name); + obstack_printf(obst, "\t.comm\t%s,%d,%d\n", name, size, align); + break; + case ASM_MINGW_GAS: + if (vis == visibility_local) + obstack_printf(obst, "\t.lcomm\t%s,%d\n", name, size); + else + obstack_printf(obst, "\t.comm\t%s,%d\n", name, size); + break; + } } /* @@ -58,47 +75,47 @@ static unsigned highest_bit(unsigned v) */ static void ia32_dump_align(struct obstack *obst, int align) { - int h = highest_bit(align); + int h = highest_bit(align); - if ((1 << h) < align) - ++h; - align = (1 << h); + if ((1 << h) < align) + ++h; + align = (1 << h); - if (align > 1) - obstack_printf(obst, "\t.align %d\n", align); + if (align > 1) + obstack_printf(obst, "\t.align %d\n", align); } static void dump_arith_tarval(struct obstack *obst, tarval *tv, int bytes) { - switch (bytes) { - - case 1: - obstack_printf(obst, "0x%02x", get_tarval_sub_bits(tv, 0)); - break; - - case 2: - obstack_printf(obst, "0x%02x%02x", get_tarval_sub_bits(tv, 1), get_tarval_sub_bits(tv, 0)); - break; - - case 4: - obstack_printf(obst, "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; - - case 8: - obstack_printf(obst, "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; - - case 10: - case 12: - break; - - default: - fprintf(stderr, "Try to dump an tarval with %d bytes\n", bytes); - assert(0); - } + switch (bytes) { + + case 1: + obstack_printf(obst, "0x%02x", get_tarval_sub_bits(tv, 0)); + break; + + case 2: + obstack_printf(obst, "0x%02x%02x", get_tarval_sub_bits(tv, 1), get_tarval_sub_bits(tv, 0)); + break; + + case 4: + obstack_printf(obst, "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; + + case 8: + obstack_printf(obst, "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; + + case 10: + case 12: + break; + + default: + fprintf(stderr, "Try to dump an tarval with %d bytes\n", bytes); + assert(0); + } } /* @@ -106,70 +123,74 @@ static void dump_arith_tarval(struct obstack *obst, tarval *tv, int bytes) */ static void do_dump_atomic_init(struct obstack *obst, ir_node *init) { - ir_mode *mode = get_irn_mode(init); - int bytes = get_mode_size_bytes(mode); - tarval *tv; - - switch (get_irn_opcode(init)) { - - case iro_Cast: - do_dump_atomic_init(obst, get_Cast_op(init)); - return; - - case iro_Conv: - do_dump_atomic_init(obst, get_Conv_op(init)); - return; - - case iro_Const: - tv = get_Const_tarval(init); - - /* beware of old stuff */ - assert(! mode_is_reference(mode)); - - /* it's a arithmetic value */ - dump_arith_tarval(obst, tv, bytes); - return; - - case iro_SymConst: - switch (get_SymConst_kind(init)) { - case symconst_addr_name: - obstack_printf(obst, "%s", get_id_str(get_SymConst_name(init))); - break; - - case symconst_addr_ent: - obstack_printf(obst, "%s", get_entity_ld_name(get_SymConst_entity(init))); - break; - - case symconst_size: - obstack_printf(obst, "%d", get_type_size_bytes(get_SymConst_type(init))); - break; - - default: - assert(0 && "dump_atomic_init(): don't know how to init from this SymConst"); - } - return; - - case iro_Add: - do_dump_atomic_init(obst, get_Add_left(init)); - obstack_printf(obst, " + "); - do_dump_atomic_init(obst, get_Add_right(init)); - return; - - case iro_Sub: - do_dump_atomic_init(obst, get_Sub_left(init)); - obstack_printf(obst, " - "); - do_dump_atomic_init(obst, get_Sub_right(init)); - return; - - case iro_Mul: - do_dump_atomic_init(obst, get_Mul_left(init)); - obstack_printf(obst, " * "); - do_dump_atomic_init(obst, get_Mul_right(init)); - return; - - default: - assert(0 && "dump_atomic_init(): unknown IR-node"); - } + ir_mode *mode = get_irn_mode(init); + int bytes = get_mode_size_bytes(mode); + tarval *tv; + + switch (get_irn_opcode(init)) { + + case iro_Cast: + do_dump_atomic_init(obst, get_Cast_op(init)); + return; + + case iro_Conv: + do_dump_atomic_init(obst, get_Conv_op(init)); + return; + + case iro_Const: + tv = get_Const_tarval(init); + + /* beware of old stuff */ + //assert(! mode_is_reference(mode)); + + /* it's a arithmetic value */ + dump_arith_tarval(obst, tv, bytes); + return; + + case iro_SymConst: + switch (get_SymConst_kind(init)) { + case symconst_addr_name: + obstack_printf(obst, "%s", get_id_str(get_SymConst_name(init))); + break; + + case symconst_addr_ent: + obstack_printf(obst, "%s", get_entity_ld_name(get_SymConst_entity(init))); + break; + + case symconst_type_size: + obstack_printf(obst, "%d", get_type_size_bytes(get_SymConst_type(init))); + break; + + case symconst_type_align: + obstack_printf(obst, "%d", get_type_alignment_bytes(get_SymConst_type(init))); + break; + + default: + assert(0 && "dump_atomic_init(): don't know how to init from this SymConst"); + } + return; + + case iro_Add: + do_dump_atomic_init(obst, get_Add_left(init)); + obstack_printf(obst, " + "); + do_dump_atomic_init(obst, get_Add_right(init)); + return; + + case iro_Sub: + do_dump_atomic_init(obst, get_Sub_left(init)); + obstack_printf(obst, " - "); + do_dump_atomic_init(obst, get_Sub_right(init)); + return; + + case iro_Mul: + do_dump_atomic_init(obst, get_Mul_left(init)); + obstack_printf(obst, " * "); + do_dump_atomic_init(obst, get_Mul_right(init)); + return; + + default: + assert(0 && "dump_atomic_init(): unknown IR-node"); + } } /* @@ -177,39 +198,39 @@ static void do_dump_atomic_init(struct obstack *obst, ir_node *init) */ static void dump_atomic_init(struct obstack *obst, ir_node *init) { - ir_mode *mode = get_irn_mode(init); - int bytes = get_mode_size_bytes(mode); + ir_mode *mode = get_irn_mode(init); + int bytes = get_mode_size_bytes(mode); - switch (bytes) { + switch (bytes) { - case 1: - obstack_printf(obst, "\t.byte\t"); - break; + case 1: + obstack_printf(obst, "\t.byte\t"); + break; - case 2: - obstack_printf(obst, "\t.value\t"); - break; + case 2: + obstack_printf(obst, "\t.value\t"); + break; - case 4: - obstack_printf(obst, "\t.long\t"); - break; + case 4: + obstack_printf(obst, "\t.long\t"); + break; - case 8: - obstack_printf(obst, "\t.quad\t"); - break; + case 8: + obstack_printf(obst, "\t.quad\t"); + break; - case 10: - case 12: - /* handled in arith */ - break; + case 10: + case 12: + /* handled in arith */ + break; - default: - fprintf(stderr, "Try to dump an tarval with %d bytes\n", bytes); - assert(0); - } + default: + fprintf(stderr, "Try to dump an tarval with %d bytes\n", bytes); + assert(0); + } - do_dump_atomic_init(obst, init); - obstack_printf(obst, "\n"); + do_dump_atomic_init(obst, init); + obstack_printf(obst, "\n"); } /************************************************************************/ @@ -223,47 +244,47 @@ static void dump_atomic_init(struct obstack *obst, ir_node *init) */ static int ent_is_string_const(entity *ent) { - int res = 0; - ir_type *ty; - - ty = get_entity_type(ent); - - /* if it's an array */ - if (is_Array_type(ty)) { - ir_type *elm_ty = get_array_element_type(ty); - - /* and the array's element type is primitive */ - if (is_Primitive_type(elm_ty)) { - ir_mode *mode = get_type_mode(elm_ty); - - /* - * and the mode of the element type is an int of - * the same size as the byte mode - */ - if (mode_is_int(mode) - && get_mode_size_bits(mode) == get_mode_size_bits(mode_Bs)) - { - int i, c, n; - - n = get_compound_ent_n_values(ent); - for (i = 0; i < n; ++i) { - ir_node *irn = get_compound_ent_value(ent, i); - if(get_irn_opcode(irn) != iro_Const) - return 0; - - c = (int) get_tarval_long(get_Const_tarval(irn)); - - if((i < n - 1 && !(isgraph(c) || isspace(c))) - || (i == n - 1 && c != '\0')) - return 0; + int res = 0; + ir_type *ty; + + ty = get_entity_type(ent); + + /* if it's an array */ + if (is_Array_type(ty)) { + ir_type *elm_ty = get_array_element_type(ty); + + /* and the array's element type is primitive */ + if (is_Primitive_type(elm_ty)) { + ir_mode *mode = get_type_mode(elm_ty); + + /* + * and the mode of the element type is an int of + * the same size as the byte mode + */ + if (mode_is_int(mode) + && get_mode_size_bits(mode) == get_mode_size_bits(mode_Bs)) + { + int i, c, n; + + n = get_compound_ent_n_values(ent); + for (i = 0; i < n; ++i) { + ir_node *irn = get_compound_ent_value(ent, i); + if(get_irn_opcode(irn) != iro_Const) + return 0; + + c = (int) get_tarval_long(get_Const_tarval(irn)); + + if((i < n - 1 && !(isgraph(c) || isspace(c))) + || (i == n - 1 && c != '\0')) + return 0; + } + + res = 1; + } + } } - res = 1; - } - } - } - - return res; + return res; } /** @@ -274,230 +295,236 @@ static int ent_is_string_const(entity *ent) */ static void dump_string_cst(struct obstack *obst, entity *ent) { - int i, n; - - obstack_printf(obst, "\t.string \""); - n = get_compound_ent_n_values(ent); - - for (i = 0; i < n-1; ++i) { - ir_node *irn; - int c; - - irn = get_compound_ent_value(ent, i); - c = (int) get_tarval_long(get_Const_tarval(irn)); - - switch (c) { - case '"' : obstack_printf(obst, "\\\""); break; - case '\n': obstack_printf(obst, "\\n"); break; - case '\r': obstack_printf(obst, "\\r"); break; - case '\t': obstack_printf(obst, "\\t"); break; - default : - if (isprint(c)) - obstack_printf(obst, "%c", c); - else - obstack_printf(obst, "%O", c); - break; - } - } - obstack_printf(obst, "\"\n"); + int i, n; + + obstack_printf(obst, "\t.string \""); + n = get_compound_ent_n_values(ent); + + for (i = 0; i < n-1; ++i) { + ir_node *irn; + int c; + + irn = get_compound_ent_value(ent, i); + c = (int) get_tarval_long(get_Const_tarval(irn)); + + switch (c) { + case '"' : obstack_printf(obst, "\\\""); break; + case '\n': obstack_printf(obst, "\\n"); break; + case '\r': obstack_printf(obst, "\\r"); break; + case '\t': obstack_printf(obst, "\\t"); break; + case '\\': obstack_printf(obst, "\\\\"); break; + default : + if (isprint(c)) + obstack_printf(obst, "%c", c); + else + obstack_printf(obst, "%O", c); + break; + } + } + obstack_printf(obst, "\"\n"); } struct arr_info { - int n_elems; - int visit_cnt; - int size; + int n_elems; + int visit_cnt; + int size; }; +static void dump_object_size(struct obstack *obst, const char *name, int size) { + switch (asm_flavour) { + case ASM_LINUX_GAS: + obstack_printf(obst, "\t.type\t%s,@object\n", name); + obstack_printf(obst, "\t.size\t%s,%d\n", name, size); + break; + } +} + /* * Dumps the initialization of global variables that are not * "uninitialized". */ static void dump_global(struct obstack *rdata_obstack, struct obstack *data_obstack, struct obstack *comm_obstack, entity *ent) { - ir_type *ty = get_entity_type(ent); - const char *ld_name = get_entity_ld_name(ent); - int align, h; - struct obstack *obst = data_obstack; - - /* - * FIXME: did NOT work for partly constant values - */ - if (! is_Method_type(ty)) { - ent_variability variability = get_entity_variability(ent); - visibility visibility = get_entity_visibility(ent); - - if (variability == variability_constant) { - /* a constant entity, put it on the rdata */ - obst = rdata_obstack; - } - - /* check, wether it is initialized, if yes create data */ - if (variability != variability_uninitialized) { - if (visibility == visibility_external_visible) { - obstack_printf(obst, ".globl\t%s\n", ld_name); - } - obstack_printf(obst, "\t.type\t%s,@object\n", ld_name); - obstack_printf(obst, "\t.size\t%s,%d\n", ld_name, (get_type_size_bits(ty) + 7) >> 3); - - align = get_type_alignment_bytes(ty); - ia32_dump_align(obst, align); - - obstack_printf(obst, "%s:\n", ld_name); - - if (is_atomic_type(ty)) { - if (get_entity_visibility(ent) != visibility_external_allocated) - dump_atomic_init(obst, get_atomic_ent_value(ent)); - } - else { - int i, size = 0; - - if (ent_is_string_const(ent)) { - dump_string_cst(obst, ent); - } - else if (is_Array_type(ty)) { - int filler; - - /* potential spare values should be already included! */ - for (i = 0; i < get_compound_ent_n_values(ent); ++i) { - entity *step = get_compound_ent_value_member(ent, i); - ir_type *stype = get_entity_type(step); - - if (get_type_mode(stype)) { - int align = (get_type_alignment_bits(stype) + 7) >> 3; - int n = size % align; - - if (n > 0) { - obstack_printf(obst, "\t.zero\t%d\n", align - n); - size += align - n; - } - } - dump_atomic_init(obst, get_compound_ent_value(ent, i)); - size += get_type_size_bytes(stype); - } - filler = get_type_size_bytes(ty) - size; - - if (filler > 0) - obstack_printf(obst, "\t.zero\t%d\n", filler); - } - else if (is_compound_type(ty)) { - ir_node **vals; - int type_size, j; - - /* Compound entities are NOT sorted. - * The sorting strategy used doesn't work for `value' compound fields nor - * for partially_constant entities. - */ - - /* - * in the worst case, every entity allocates one byte, so the type - * size should be equal or bigger the number of fields - */ - type_size = get_type_size_bytes(ty); - vals = xcalloc(type_size, sizeof(*vals)); - - /* collect the values and store them at the offsets */ - for(i = 0; i < get_compound_ent_n_values(ent); ++i) { - int graph_length, aipos, offset; - struct arr_info *ai; - int all_n = 1; - compound_graph_path *path = get_compound_ent_value_path(ent, i); - - /* get the access path to the costant value */ - graph_length = get_compound_graph_path_length(path); - ai = xcalloc(graph_length, sizeof(struct arr_info)); - - /* We wanna know how many arrays are on the path to the entity. We also have to know how - * many elements each array holds to calculate the offset for the entity. */ - for (j = 0; j < graph_length; j++) { - entity *step = get_compound_graph_path_node(path, j); - ir_type *step_type = get_entity_type(step); - int ty_size = (get_type_size_bits(step_type) + 7) >> 3; - int k, n = 0; - - if (is_Array_type(step_type)) - for (k = 0; k < get_array_n_dimensions(step_type); k++) - n += get_tarval_long(get_Const_tarval(get_array_upper_bound(step_type, k))); - if (n) all_n *= n; - ai[j].n_elems = n ? all_n + 1 : 0; - ai[j].visit_cnt = 0; - ai[j].size = ty_size; - } - - aipos = graph_length - 1; - if (aipos) aipos--; - - for (offset = j = 0; j < graph_length; j++) { - entity *step = get_compound_graph_path_node(path, j); - ir_type *step_type = get_entity_type(step); - int ent_ofs = get_entity_offset_bytes(step); - int stepsize = 0; - - /* add all positive offsets (= offsets in structs) */ - if (ent_ofs >= 0) offset += ent_ofs; - - if (j == graph_length - 1) { - stepsize = (get_type_size_bits(step_type) + 7) >> 3; - - /* Search the next free position in vals depending on the information from above (ai). */ - while (vals[offset]) { - if (ai[aipos].visit_cnt < ai[aipos].n_elems) { - offset += stepsize; - ai[aipos].visit_cnt++; - } - else - while (aipos >= 0 && ai[aipos].visit_cnt == ai[aipos].n_elems) { - stepsize = ai[aipos--].size; - offset += stepsize; - } - } - - assert(aipos >= 0 && "couldn't store entity"); - vals[offset] = get_compound_ent_value(ent, i); - } - } - - free(ai); - } - - /* now write them sorted */ - for(i = 0; i < type_size; ) { - if (vals[i]) { - dump_atomic_init(obst, vals[i]); - i += (get_mode_size_bytes(get_irn_mode(vals[i]))); - } - else { - /* a gap */ - obstack_printf(obst, "\t.byte\t0\n"); - ++i; - } - } - free(vals); - } - else { - assert(0 && "unsupported type"); - } - } - obstack_printf(obst, "\n"); - } - else if (visibility != visibility_external_allocated) { - if (visibility == visibility_local) { - obstack_printf(comm_obstack, "\t.local\t%s\n", ld_name); - } - - /* calculate the alignment */ - align = get_type_alignment_bytes(ty); - h = highest_bit(align); - - if ((1 << h) < align) - ++h; - align = (1 << h); - - if (align < 1) - align = 1; - - obstack_printf(comm_obstack, "\t.comm\t%s,%d,%d\n", ld_name, (get_type_size_bits(ty) + 7) >> 3, align); - } - } + ir_type *ty = get_entity_type(ent); + const char *ld_name = get_entity_ld_name(ent); + int align, h; + struct obstack *obst = data_obstack; + + /* + * FIXME: did NOT work for partly constant values + */ + if (! is_Method_type(ty)) { + ent_variability variability = get_entity_variability(ent); + visibility visibility = get_entity_visibility(ent); + + if (variability == variability_constant) { + /* a constant entity, put it on the rdata */ + obst = rdata_obstack; + } + + /* check, whether it is initialized, if yes create data */ + if (variability != variability_uninitialized) { + if (visibility == visibility_external_visible) { + obstack_printf(obst, ".globl\t%s\n", ld_name); + } + dump_object_size(obst, ld_name, (get_type_size_bits(ty) + 7) >> 3); + + align = get_type_alignment_bytes(ty); + ia32_dump_align(obst, align); + + obstack_printf(obst, "%s:\n", ld_name); + + if (is_atomic_type(ty)) { + if (get_entity_visibility(ent) != visibility_external_allocated) + dump_atomic_init(obst, get_atomic_ent_value(ent)); + } + else { + int i, size = 0; + + if (ent_is_string_const(ent)) { + dump_string_cst(obst, ent); + } + else if (is_Array_type(ty)) { + int filler; + + /* potential spare values should be already included! */ + for (i = 0; i < get_compound_ent_n_values(ent); ++i) { + entity *step = get_compound_ent_value_member(ent, i); + ir_type *stype = get_entity_type(step); + + if (get_type_mode(stype)) { + int align = (get_type_alignment_bits(stype) + 7) >> 3; + int n = size % align; + + if (n > 0) { + obstack_printf(obst, "\t.zero\t%d\n", align - n); + size += align - n; + } + } + dump_atomic_init(obst, get_compound_ent_value(ent, i)); + size += get_type_size_bytes(stype); + } + filler = get_type_size_bytes(ty) - size; + + if (filler > 0) + obstack_printf(obst, "\t.zero\t%d\n", filler); + } + else if (is_compound_type(ty)) { + ir_node **vals; + int type_size, j; + + /* Compound entities are NOT sorted. + * The sorting strategy used doesn't work for `value' compound fields nor + * for partially_constant entities. + */ + + /* + * in the worst case, every entity allocates one byte, so the type + * size should be equal or bigger the number of fields + */ + type_size = get_type_size_bytes(ty); + vals = xcalloc(type_size, sizeof(*vals)); + + /* collect the values and store them at the offsets */ + for(i = 0; i < get_compound_ent_n_values(ent); ++i) { + int graph_length, aipos, offset; + struct arr_info *ai; + int all_n = 1; + compound_graph_path *path = get_compound_ent_value_path(ent, i); + + /* get the access path to the costant value */ + graph_length = get_compound_graph_path_length(path); + ai = xcalloc(graph_length, sizeof(struct arr_info)); + + /* We wanna know how many arrays are on the path to the entity. We also have to know how + * many elements each array holds to calculate the offset for the entity. */ + for (j = 0; j < graph_length; j++) { + entity *step = get_compound_graph_path_node(path, j); + ir_type *step_type = get_entity_type(step); + int ty_size = (get_type_size_bits(step_type) + 7) >> 3; + int k, n = 0; + + if (is_Array_type(step_type)) + for (k = 0; k < get_array_n_dimensions(step_type); k++) + n += get_tarval_long(get_Const_tarval(get_array_upper_bound(step_type, k))); + if (n) all_n *= n; + ai[j].n_elems = n ? all_n + 1 : 0; + ai[j].visit_cnt = 0; + ai[j].size = ty_size; + } + + aipos = graph_length - 1; + if (aipos) aipos--; + + for (offset = j = 0; j < graph_length; j++) { + entity *step = get_compound_graph_path_node(path, j); + ir_type *step_type = get_entity_type(step); + int ent_ofs = get_entity_offset_bytes(step); + int stepsize = 0; + + /* add all positive offsets (= offsets in structs) */ + if (ent_ofs >= 0) offset += ent_ofs; + + if (j == graph_length - 1) { + stepsize = (get_type_size_bits(step_type) + 7) >> 3; + + /* Search the next free position in vals depending on the information from above (ai). */ + while (vals[offset] && aipos >= 0) { + if (ai[aipos].visit_cnt < ai[aipos].n_elems) { + offset += stepsize; + ai[aipos].visit_cnt++; + } + else + while (aipos >= 0 && ai[aipos].visit_cnt == ai[aipos].n_elems) { + stepsize = ai[aipos--].size; + offset += stepsize; + } + } + + assert(aipos >= 0 && "couldn't store entity"); + vals[offset] = get_compound_ent_value(ent, i); + } + } + + free(ai); + } + + /* now write them sorted */ + for(i = 0; i < type_size; ) { + if (vals[i]) { + dump_atomic_init(obst, vals[i]); + i += (get_mode_size_bytes(get_irn_mode(vals[i]))); + } + else { + /* a gap */ + obstack_printf(obst, "\t.byte\t0\n"); + ++i; + } + } + free(vals); + } + else { + assert(0 && "unsupported type"); + } + } + obstack_printf(obst, "\n"); + } + else if (visibility != visibility_external_allocated) { + /* calculate the alignment */ + align = get_type_alignment_bytes(ty); + h = highest_bit(align); + + if ((1 << h) < align) + ++h; + align = (1 << h); + + if (align < 1) + align = 1; + + ia32_dump_comm(comm_obstack, ld_name, visibility, + (get_type_size_bits(ty) + 7) >> 3, align); + } + } } /* @@ -505,50 +532,48 @@ static void dump_global(struct obstack *rdata_obstack, struct obstack *data_obst */ void ia32_dump_globals(struct obstack *rdata_obstack, struct obstack *data_obstack, struct obstack *comm_obstack) { - ir_type *gt = get_glob_type(); - int i, n = get_class_n_members(gt); + ir_type *gt = get_glob_type(); + int i, n = get_class_n_members(gt); - for (i = 0; i < n; i++) - dump_global(rdata_obstack, data_obstack, comm_obstack, get_class_member(gt, i)); + for (i = 0; i < n; i++) + dump_global(rdata_obstack, data_obstack, comm_obstack, get_class_member(gt, i)); } /************************************************************************/ void ia32_gen_decls(FILE *out) { - struct obstack rodata, data, comm; - int size; - char *cp; - - obstack_init(&rodata); - obstack_init(&data); - obstack_init(&comm); - - fprintf(out, "\t.intel_syntax\n"); - - ia32_dump_globals(&rodata, &data, &comm); - - size = obstack_object_size(&data); - cp = obstack_finish(&data); - if (size > 0) { - fprintf(out, "\t.data\n"); - fwrite(cp, 1, size, out); - } - - size = obstack_object_size(&rodata); - cp = obstack_finish(&rodata); - if (size > 0) { - fprintf(out, "\t.section\t.rodata\n"); - fwrite(cp, 1, size, out); - } - - size = obstack_object_size(&comm); - cp = obstack_finish(&comm); - if (size > 0) { - fprintf(out, "\t.text\n"); - fwrite(cp, 1, size, out); - } - - obstack_free(&rodata, NULL); - obstack_free(&data, NULL); - obstack_free(&comm, NULL); + struct obstack rodata, data, comm; + int size; + char *cp; + + obstack_init(&rodata); + obstack_init(&data); + obstack_init(&comm); + + ia32_dump_globals(&rodata, &data, &comm); + + size = obstack_object_size(&data); + cp = obstack_finish(&data); + if (size > 0) { + ia32_switch_section(out, SECTION_DATA); + fwrite(cp, 1, size, out); + } + + size = obstack_object_size(&rodata); + cp = obstack_finish(&rodata); + if (size > 0) { + fprintf(out, "\t.section\t.rodata\n"); + fwrite(cp, 1, size, out); + } + + size = obstack_object_size(&comm); + cp = obstack_finish(&comm); + if (size > 0) { + ia32_switch_section(out, SECTION_COMMON); + fwrite(cp, 1, size, out); + } + + obstack_free(&rodata, NULL); + obstack_free(&data, NULL); + obstack_free(&comm, NULL); }