diff options
Diffstat (limited to 'ld/ldexp.c')
-rw-r--r-- | ld/ldexp.c | 50 |
1 files changed, 49 insertions, 1 deletions
@@ -64,6 +64,8 @@ static etree_value_type exp_fold_tree_no_dot lang_output_section_statement_type *current_section, lang_phase_type allocation_done)); +struct exp_data_seg exp_data_seg; + static void exp_print_token (code) token_code_type code; @@ -114,6 +116,8 @@ exp_print_token (code) { LOADADDR, "LOADADDR" }, { MAX_K, "MAX_K" }, { REL, "relocateable" }, + { DATA_SEGMENT_ALIGN, "DATA_SEGMENT_ALIGN" }, + { DATA_SEGMENT_END, "DATA_SEGMENT_END" } }; unsigned int idx; @@ -314,6 +318,33 @@ fold_binary (tree, current_section, allocation_done, dot, dotp) result = other; break; + case DATA_SEGMENT_ALIGN: + if (allocation_done != lang_first_phase_enum + && current_section == abs_output_section + && (exp_data_seg.phase == exp_dataseg_none + || exp_data_seg.phase == exp_dataseg_adjust + || allocation_done != lang_allocating_phase_enum)) + { + bfd_vma maxpage = result.value; + + result.value = ALIGN_N (dot, maxpage); + if (exp_data_seg.phase != exp_dataseg_adjust) + { + result.value += dot & (maxpage - 1); + if (allocation_done == lang_allocating_phase_enum) + { + exp_data_seg.phase = exp_dataseg_align_seen; + exp_data_seg.base = result.value; + exp_data_seg.pagesize = other.value; + } + } + else if (other.value < maxpage) + result.value += dot & (maxpage - other.value); + } + else + result.valid_p = false; + break; + default: FAIL (); } @@ -578,6 +609,23 @@ exp_fold_tree (tree, current_section, allocation_done, dot, dotp) result.valid_p = false; break; + case DATA_SEGMENT_END: + if (allocation_done != lang_first_phase_enum + && current_section == abs_output_section + && (exp_data_seg.phase == exp_dataseg_align_seen + || exp_data_seg.phase == exp_dataseg_adjust + || allocation_done != lang_allocating_phase_enum)) + { + if (exp_data_seg.phase == exp_dataseg_align_seen) + { + exp_data_seg.phase = exp_dataseg_end_seen; + exp_data_seg.end = result.value; + } + } + else + result.valid_p = false; + break; + default: FAIL (); break; @@ -615,7 +663,7 @@ exp_fold_tree (tree, current_section, allocation_done, dot, dotp) { result = exp_fold_tree (tree->assign.src, current_section, - lang_allocating_phase_enum, dot, + allocation_done, dot, dotp); if (! result.valid_p) einfo (_("%F%S invalid assignment to location counter\n")); |