From: Christian Würdig Date: Tue, 22 Nov 2005 10:05:32 +0000 (+0000) Subject: renamed to ia32_... X-Git-Url: http://nsz.repo.hu/git/?a=commitdiff_plain;h=47e852c079bb12cf7bb8c730e4fe81d333008b12;p=libfirm renamed to ia32_... --- diff --git a/ir/be/ia32/gen_decls.c b/ir/be/ia32/gen_decls.c deleted file mode 100644 index f919f3785..000000000 --- a/ir/be/ia32/gen_decls.c +++ /dev/null @@ -1,595 +0,0 @@ -/** - * Dumps global variables and constants as ia32 assembler. - * @author Christian Wuerdig - * @date 04.11.2005 - * @version $Id$ - */ - -#include -#include -#include - -#include - -#ifdef obstack_chunk_alloc -# undef obstack_chunk_alloc -# define obstack_chunk_alloc malloc -#else -# define obstack_chunk_alloc malloc -# define obstack_chunk_free free -#endif - -#include "tv.h" -#include "irnode.h" -#include "entity.h" -#include "irprog.h" - -#include "gen_decls.h" - -/************************************************************************/ - -/* - * returns the highest bit value - */ -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; -} - -/* - * output the alignment - */ -void ia32_dump_align(struct obstack *obst, int align) -{ - int h = highest_bit(align); - - if ((1 << h) < align) - ++h; - align = (1 << h); - - 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); - } -} - -/* - * dump an arithmetic tarval - */ -void ia32_dump_arith_tarval(struct obstack *obst, tarval *tv, int bytes) -{ - switch (bytes) { - - case 1: - obstack_printf(obst, "\t.byte\t"); - break; - - case 2: - obstack_printf(obst, "\t.value\t"); - break; - - case 4: - obstack_printf(obst, "\t.long\t"); - break; - - case 8: - obstack_printf(obst, "\t.quad\t"); - break; - - case 10: - case 12: - break; - - default: - fprintf(stderr, "Try to dump an tarval with %d bytes\n", bytes); - assert(0); - } - dump_arith_tarval(obst, tv, bytes); -} - - -/* - * dump an atomic value - */ -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"); - } -} - -/* - * dump an atomic value - */ -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); - - switch (bytes) { - - case 1: - obstack_printf(obst, "\t.byte\t"); - break; - - case 2: - obstack_printf(obst, "\t.value\t"); - break; - - case 4: - obstack_printf(obst, "\t.long\t"); - break; - - case 8: - obstack_printf(obst, "\t.quad\t"); - break; - - case 10: - case 12: - /* handled in arith */ - break; - - 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"); -} - -/************************************************************************/ -/* Routines to dump global variables */ -/************************************************************************/ - -/** - * Determine if an entity is a string constant - * @param ent The entity - * @return 1 if it is a string constant, 0 otherwise - */ -static int ent_is_string_const(entity *ent) -{ - int res = 0; - type *ty; - - ty = get_entity_type(ent); - - /* if it's an array */ - if (is_Array_type(ty)) { - type *elm_ty = get_array_element_type(ty); - - /* and the array's alement 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; - } - } - } - - return res; -} - -/** - * Dump a atring constant. - * No checks are made!! - * @param obst The obst to dump on. - * @param ent The entity to dump. - */ -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"); -} - -struct arr_info { - int n_elems; - int visit_cnt; - int size; -}; - -/* - * 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) -{ - 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); - 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 = calloc(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 = calloc(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); - 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); - 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); - } - } -} - -/* - * Dumps declarations of global variables and the initialization code. - */ -void ia32_dump_globals(struct obstack *rdata_obstack, struct obstack *data_obstack, struct obstack *comm_obstack) -{ - 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)); -} - -/************************************************************************/ - -void firmbe_gen_decls(FILE *out) { - 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) { - 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.common\n"); - fwrite(cp, 1, size, out); - } - - obstack_free(&rodata, NULL); - obstack_free(&data, NULL); - obstack_free(&comm, NULL); -} diff --git a/ir/be/ia32/gen_decls.h b/ir/be/ia32/gen_decls.h deleted file mode 100644 index ccdc598a5..000000000 --- a/ir/be/ia32/gen_decls.h +++ /dev/null @@ -1,9 +0,0 @@ -#ifndef _GEN_DECLS_H_ -#define _GEN_DECLS_H_ - -/** - * Generate all entities. - */ -void firmbe_gen_decls(FILE *out); - -#endif /* _GEN_DECLS_H_ */