* config/xtensa-istack.h (tinsn_struct): Replace linenum field
with loc_directive_seen and debug_line. * config/tc-xtensa.c: Include xtensa-istack.h after dwarf2dbg.h. (xg_build_to_insn): Copy the new fields instead of linenum. (xg_build_token_insn): Likewise. Abort on INSTR_LABEL_DEF and move common code out of the switch. (md_assemble): Set new tinsn fields from DWARF information. Call dwarf2_consume_line_info. (xg_assemble_vliw_tokens): Update the code to select the "best" line number to use new information. Call dwarf2_gen_line_info instead of dwarf2_emit_insn.
This commit is contained in:
Bob Wilson
parent
1eee4adcdb
commit
b224e962a8
@ -1,3 +1,17 @@
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2007-11-19 Bob Wilson <bob.wilson@acm.org>
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* config/xtensa-istack.h (tinsn_struct): Replace linenum field
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with loc_directive_seen and debug_line.
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* config/tc-xtensa.c: Include xtensa-istack.h after dwarf2dbg.h.
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(xg_build_to_insn): Copy the new fields instead of linenum.
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(xg_build_token_insn): Likewise. Abort on INSTR_LABEL_DEF and move
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common code out of the switch.
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(md_assemble): Set new tinsn fields from DWARF information. Call
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dwarf2_consume_line_info.
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(xg_assemble_vliw_tokens): Update the code to select the "best" line
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number to use new information. Call dwarf2_gen_line_info instead
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of dwarf2_emit_insn.
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2007-11-19 Bob Wilson <bob.wilson@acm.org>
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* dwarf2dbg.h (dwarf2_loc_directive_seen): New.
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@ -25,8 +25,8 @@
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#include "tc-xtensa.h"
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#include "subsegs.h"
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#include "xtensa-relax.h"
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#include "xtensa-istack.h"
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#include "dwarf2dbg.h"
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#include "xtensa-istack.h"
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#include "struc-symbol.h"
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#include "xtensa-config.h"
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@ -3288,7 +3288,8 @@ xg_build_to_insn (TInsn *targ, TInsn *insn, BuildInstr *bi)
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symbolS *sym;
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tinsn_init (targ);
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targ->linenum = insn->linenum;
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targ->debug_line = insn->debug_line;
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targ->loc_directive_seen = insn->loc_directive_seen;
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switch (bi->typ)
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{
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case INSTR_INSTR:
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@ -3766,19 +3767,17 @@ xg_build_token_insn (BuildInstr *instr_spec, TInsn *old_insn, TInsn *new_insn)
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case INSTR_INSTR:
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new_insn->insn_type = ITYPE_INSN;
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new_insn->opcode = instr_spec->opcode;
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new_insn->is_specific_opcode = FALSE;
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new_insn->linenum = old_insn->linenum;
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break;
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case INSTR_LITERAL_DEF:
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new_insn->insn_type = ITYPE_LITERAL;
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new_insn->opcode = XTENSA_UNDEFINED;
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new_insn->is_specific_opcode = FALSE;
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new_insn->linenum = old_insn->linenum;
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break;
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case INSTR_LABEL_DEF:
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as_bad (_("INSTR_LABEL_DEF not supported yet"));
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break;
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abort ();
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}
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new_insn->is_specific_opcode = FALSE;
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new_insn->debug_line = old_insn->debug_line;
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new_insn->loc_directive_seen = old_insn->loc_directive_seen;
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for (b_op = instr_spec->ops; b_op != NULL; b_op = b_op->next)
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{
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@ -5235,7 +5234,7 @@ void
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md_assemble (char *str)
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{
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xtensa_isa isa = xtensa_default_isa;
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char *opname, *file_name;
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char *opname;
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unsigned opnamelen;
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bfd_boolean has_underbar = FALSE;
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char *arg_strings[MAX_INSN_ARGS];
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@ -5324,11 +5323,12 @@ md_assemble (char *str)
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return;
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}
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/* A FLIX bundle may be spread across multiple input lines. We want to
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report the first such line in the debug information. Record the line
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number for each TInsn (assume the file name doesn't change), so the
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first line can be found later. */
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as_where (&file_name, &orig_insn.linenum);
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/* Record the line number for each TInsn, because a FLIX bundle may be
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spread across multiple input lines and individual instructions may be
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moved around in some cases. */
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orig_insn.loc_directive_seen = dwarf2_loc_directive_seen;
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dwarf2_where (&orig_insn.debug_line);
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dwarf2_consume_line_info ();
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xg_add_branch_and_loop_targets (&orig_insn);
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@ -6691,15 +6691,15 @@ xg_assemble_vliw_tokens (vliw_insn *vinsn)
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bfd_boolean is_jump = FALSE;
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bfd_boolean is_branch = FALSE;
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xtensa_isa isa = xtensa_default_isa;
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int i;
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int insn_size;
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int extra_space;
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char *f = NULL;
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int slot;
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unsigned current_line, best_linenum;
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char *current_file;
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struct dwarf2_line_info debug_line;
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bfd_boolean loc_directive_seen = FALSE;
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TInsn *tinsn;
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best_linenum = UINT_MAX;
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memset (&debug_line, 0, sizeof (struct dwarf2_line_info));
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if (generating_literals)
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{
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@ -6754,15 +6754,22 @@ xg_assemble_vliw_tokens (vliw_insn *vinsn)
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xtensa_set_frag_assembly_state (frag_now);
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}
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for (i = 0; i < vinsn->num_slots; i++)
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for (slot = 0; slot < vinsn->num_slots; slot++)
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{
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tinsn = &vinsn->slots[slot];
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/* See if the instruction implies an aligned section. */
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if (xtensa_opcode_is_loop (isa, vinsn->slots[i].opcode) == 1)
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if (xtensa_opcode_is_loop (isa, tinsn->opcode) == 1)
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record_alignment (now_seg, 2);
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/* Also determine the best line number for debug info. */
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best_linenum = vinsn->slots[i].linenum < best_linenum
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? vinsn->slots[i].linenum : best_linenum;
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/* Determine the best line number for debug info. */
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if ((tinsn->loc_directive_seen || !loc_directive_seen)
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&& (tinsn->debug_line.filenum != debug_line.filenum
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|| tinsn->debug_line.line < debug_line.line
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|| tinsn->debug_line.column < debug_line.column))
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debug_line = tinsn->debug_line;
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if (tinsn->loc_directive_seen)
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loc_directive_seen = TRUE;
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}
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/* Special cases for instructions that force an alignment... */
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@ -6833,16 +6840,13 @@ xg_assemble_vliw_tokens (vliw_insn *vinsn)
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xtensa_insnbuf_to_chars (isa, vinsn->insnbuf, (unsigned char *) f, 0);
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/* Temporarily set the logical line number to the one we want to appear
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in the debug information. */
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as_where (¤t_file, ¤t_line);
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new_logical_line (current_file, best_linenum);
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dwarf2_emit_insn (insn_size + extra_space);
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new_logical_line (current_file, current_line);
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if (debug_type == DEBUG_DWARF2 || loc_directive_seen)
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dwarf2_gen_line_info (frag_now_fix () - (insn_size + extra_space),
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&debug_line);
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for (slot = 0; slot < vinsn->num_slots; slot++)
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{
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TInsn *tinsn = &vinsn->slots[slot];
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tinsn = &vinsn->slots[slot];
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frag_now->tc_frag_data.slot_subtypes[slot] = tinsn->subtype;
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frag_now->tc_frag_data.slot_symbols[slot] = tinsn->symbol;
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frag_now->tc_frag_data.slot_offsets[slot] = tinsn->offset;
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@ -46,7 +46,8 @@ typedef struct tinsn_struct
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bfd_boolean keep_wide;
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int ntok;
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expressionS tok[MAX_INSN_ARGS];
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unsigned linenum;
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bfd_boolean loc_directive_seen;
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struct dwarf2_line_info debug_line;
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/* Filled out by relaxation_requirements: */
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enum xtensa_relax_statesE subtype;
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