-static const arch_register_t *arm_abi_prologue(void *self, ir_node **mem, pmap *reg_map) {
- ir_node *keep, *store;
- arm_abi_env_t *env = self;
- ir_graph *irg = env->irg;
- ir_node *block = get_irg_start_block(irg);
-// ir_node *regs[16];
-// int n_regs = 0;
- arch_register_class_t *gp = &arm_reg_classes[CLASS_arm_general_purpose];
- static const arm_register_req_t *fp_req[] = {
- &arm_default_req_arm_general_purpose_r11
- };
-
- ir_node *fp = be_abi_reg_map_get(reg_map, env->isa->bp);
- ir_node *ip = be_abi_reg_map_get(reg_map, &arm_general_purpose_regs[REG_R12]);
- ir_node *sp = be_abi_reg_map_get(reg_map, env->isa->sp);
- ir_node *lr = be_abi_reg_map_get(reg_map, &arm_general_purpose_regs[REG_R14]);
- ir_node *pc = be_abi_reg_map_get(reg_map, &arm_general_purpose_regs[REG_R15]);
-// ir_node *r0 = be_abi_reg_map_get(reg_map, &arm_general_purpose_regs[REG_R0]);
-// ir_node *r1 = be_abi_reg_map_get(reg_map, &arm_general_purpose_regs[REG_R1]);
-// ir_node *r2 = be_abi_reg_map_get(reg_map, &arm_general_purpose_regs[REG_R2]);
-// ir_node *r3 = be_abi_reg_map_get(reg_map, &arm_general_purpose_regs[REG_R3]);
-
- if(env->flags.try_omit_fp)
- return env->isa->sp;
-
- ip = be_new_Copy(gp, irg, block, sp );
- arch_set_irn_register(env->arch_env, ip, &arm_general_purpose_regs[REG_R12]);
- be_set_constr_single_reg(ip, BE_OUT_POS(0), &arm_general_purpose_regs[REG_R12] );
-
-// if (r0) regs[n_regs++] = r0;
-// if (r1) regs[n_regs++] = r1;
-// if (r2) regs[n_regs++] = r2;
-// if (r3) regs[n_regs++] = r3;
-// sp = new_r_arm_StoreStackMInc(irg, block, *mem, sp, n_regs, regs, get_irn_mode(sp));
-// set_arm_req_out(sp, &arm_default_req_arm_general_purpose_r13, 0);
-// arch_set_irn_register(env->arch_env, sp, env->isa->sp);
- store = new_rd_arm_StoreStackM4Inc(NULL, irg, block, sp, fp, ip, lr, pc, *mem, mode_T);
- set_arm_req_out(store, &arm_default_req_arm_general_purpose_r13, 0);
-// arch_set_irn_register(env->arch_env, store, env->isa->sp);
-
- sp = new_r_Proj(irg, block, store, env->isa->sp->reg_class->mode, 0);
- arch_set_irn_register(env->arch_env, sp, env->isa->sp);
- *mem = new_r_Proj(irg, block, store, mode_M, 1);
-
- keep = be_new_CopyKeep_single(gp, irg, block, ip, sp, get_irn_mode(ip));
- be_node_set_reg_class(keep, 1, gp);
- arch_set_irn_register(env->arch_env, keep, &arm_general_purpose_regs[REG_R12]);
- be_set_constr_single_reg(keep, BE_OUT_POS(0), &arm_general_purpose_regs[REG_R12] );
-
- fp = new_rd_arm_Sub_i(NULL, irg, block, keep, get_irn_mode(fp) );
- set_arm_value(fp, new_tarval_from_long(4, mode_Iu));
- set_arm_req_out_all(fp, fp_req);
- //set_arm_req_out(fp, &arm_default_req_arm_general_purpose_r11, 0);
- arch_set_irn_register(env->arch_env, fp, env->isa->bp);
-
-// be_abi_reg_map_set(reg_map, &arm_general_purpose_regs[REG_R0], r0);
-// be_abi_reg_map_set(reg_map, &arm_general_purpose_regs[REG_R1], r1);
-// be_abi_reg_map_set(reg_map, &arm_general_purpose_regs[REG_R2], r2);
-// be_abi_reg_map_set(reg_map, &arm_general_purpose_regs[REG_R3], r3);
- be_abi_reg_map_set(reg_map, env->isa->bp, fp);
- be_abi_reg_map_set(reg_map, &arm_general_purpose_regs[REG_R12], keep);
- be_abi_reg_map_set(reg_map, env->isa->sp, sp);
- be_abi_reg_map_set(reg_map, &arm_general_purpose_regs[REG_R14], lr);
- be_abi_reg_map_set(reg_map, &arm_general_purpose_regs[REG_R15], pc);
-
- return env->isa->bp;
-}
-
-static void arm_abi_epilogue(void *self, ir_node *bl, ir_node **mem, pmap *reg_map) {
- arm_abi_env_t *env = self;
- ir_node *curr_sp = be_abi_reg_map_get(reg_map, env->isa->sp);
- ir_node *curr_bp = be_abi_reg_map_get(reg_map, env->isa->bp);
- ir_node *curr_pc = be_abi_reg_map_get(reg_map, &arm_general_purpose_regs[REG_R15]);
- ir_node *curr_lr = be_abi_reg_map_get(reg_map, &arm_general_purpose_regs[REG_R14]);
- static const arm_register_req_t *sub12_req[] = {
- &arm_default_req_arm_general_purpose_r13
- };
-
-// TODO: Activate Omit fp in epilogue
- if(env->flags.try_omit_fp) {
- curr_sp = be_new_IncSP(env->isa->sp, env->irg, bl, curr_sp, *mem, BE_STACK_FRAME_SIZE, be_stack_dir_shrink);
-
- curr_lr = be_new_CopyKeep_single(&arm_reg_classes[CLASS_arm_general_purpose], env->irg, bl, curr_lr, curr_sp, get_irn_mode(curr_lr));
- be_node_set_reg_class(curr_lr, 1, &arm_reg_classes[CLASS_arm_general_purpose]);
- arch_set_irn_register(env->arch_env, curr_lr, &arm_general_purpose_regs[REG_R14]);
- be_set_constr_single_reg(curr_lr, BE_OUT_POS(0), &arm_general_purpose_regs[REG_R14] );
-
- curr_pc = be_new_Copy(&arm_reg_classes[CLASS_arm_general_purpose], env->irg, bl, curr_lr );
- arch_set_irn_register(env->arch_env, curr_pc, &arm_general_purpose_regs[REG_R15]);
- be_set_constr_single_reg(curr_pc, BE_OUT_POS(0), &arm_general_purpose_regs[REG_R15] );
- } else {
- ir_node *sub12_node;
- ir_node *load_node;
- sub12_node = new_rd_arm_Sub_i(NULL, env->irg, bl, curr_bp, mode_Iu );
- set_arm_value(sub12_node, new_tarval_from_long(12,mode_Iu));
- set_arm_req_out_all(sub12_node, sub12_req);
- arch_set_irn_register(env->arch_env, sub12_node, env->isa->sp);
- load_node = new_rd_arm_LoadStackM3( NULL, env->irg, bl, sub12_node, *mem, mode_T );
- set_arm_req_out(load_node, &arm_default_req_arm_general_purpose_r11, 0);
- set_arm_req_out(load_node, &arm_default_req_arm_general_purpose_r13, 1);
- set_arm_req_out(load_node, &arm_default_req_arm_general_purpose_r15, 2);
- curr_bp = new_r_Proj(env->irg, bl, load_node, env->isa->bp->reg_class->mode, 0);
- curr_sp = new_r_Proj(env->irg, bl, load_node, env->isa->sp->reg_class->mode, 1);
- curr_pc = new_r_Proj(env->irg, bl, load_node, mode_Iu, 2);
- *mem = new_r_Proj(env->irg, bl, load_node, mode_M, 3);
- arch_set_irn_register(env->arch_env, curr_bp, env->isa->bp);
- arch_set_irn_register(env->arch_env, curr_sp, env->isa->sp);
- arch_set_irn_register(env->arch_env, curr_pc, &arm_general_purpose_regs[REG_R15]);
- }
- be_abi_reg_map_set(reg_map, env->isa->sp, curr_sp);
- be_abi_reg_map_set(reg_map, env->isa->bp, curr_bp);
- be_abi_reg_map_set(reg_map, &arm_general_purpose_regs[REG_R14], curr_lr);
- be_abi_reg_map_set(reg_map, &arm_general_purpose_regs[REG_R15], curr_pc);
-}
-
-static const be_abi_callbacks_t arm_abi_callbacks = {
- arm_abi_init,
- free,
- arm_get_between_type,
- arm_abi_dont_save_regs,
- arm_abi_prologue,
- arm_abi_epilogue,
-};
-