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dwarf2out.c (dwarf2out_line): Include filename in -dA output.

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* dwarf2out.c (dwarf2out_line): Include filename in -dA output.
and improve comments.

From-SVN: r39542
This commit is contained in:
Jason Merrill 2001-02-08 12:09:18 -05:00 committed by Jason Merrill
parent dd248abd80
commit 00a42e2160
2 changed files with 16 additions and 8 deletions
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4
gcc/ChangeLog
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@ -1,3 +1,7 @@
2001-02-08 Jason Merrill <jason@redhat.com>
* dwarf2out.c (dwarf2out_line): Include filename in -dA output.
Thu Feb 8 11:21:28 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> Thu Feb 8 11:21:28 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
* rtlanal.c (remove_node_from_expr_list): Correctly update PREV. * rtlanal.c (remove_node_from_expr_list): Correctly update PREV.

20
gcc/dwarf2out.c
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@ -57,10 +57,10 @@ Boston, MA 02111-1307, USA. */
/* DWARF2 Abbreviation Glossary: /* DWARF2 Abbreviation Glossary:
CFA = Canonical Frame Address CFA = Canonical Frame Address
an abstract idea representing a fixed stack address a fixed address on the stack which identifies a call frame.
identifying a stack call frame. The CFA register and We define it to be the value of SP just before the call insn.
offset, whose value may change, keeps track of its value at The CFA register and offset, which may change during the course
runtime. of the function, are used to calculate its value at runtime.
CFI = Call Frame Instruction CFI = Call Frame Instruction
an instruction for the DWARF2 abstract machine an instruction for the DWARF2 abstract machine
CIE = Common Information Entry CIE = Common Information Entry
@ -1547,12 +1547,14 @@ dwarf2out_frame_debug_expr (expr, label)
if (GET_CODE (XEXP (src, 0)) == REG if (GET_CODE (XEXP (src, 0)) == REG
&& REGNO (XEXP (src, 0)) == cfa.reg && REGNO (XEXP (src, 0)) == cfa.reg
&& GET_CODE (XEXP (src, 1)) == CONST_INT) && GET_CODE (XEXP (src, 1)) == CONST_INT)
/* Setting the FP (or a scratch that will be copied into the FP /* Setting a temporary CFA register that will be copied
later on) from SP + const. */ into the FP later on. */
cfa.reg = REGNO (dest); cfa.reg = REGNO (dest);
/* Rule 5 */ /* Rule 5 */
else else
{ {
/* Setting a scratch register that we will use instead
of SP for saving registers to the stack. */
if (XEXP (src, 1) != stack_pointer_rtx) if (XEXP (src, 1) != stack_pointer_rtx)
abort (); abort ();
if (GET_CODE (XEXP (src, 0)) != REG if (GET_CODE (XEXP (src, 0)) != REG
@ -11665,7 +11667,8 @@ dwarf2out_line (filename, line)
ASM_OUTPUT_INTERNAL_LABEL (asm_out_file, SEPARATE_LINE_CODE_LABEL, ASM_OUTPUT_INTERNAL_LABEL (asm_out_file, SEPARATE_LINE_CODE_LABEL,
separate_line_info_table_in_use); separate_line_info_table_in_use);
if (flag_debug_asm) if (flag_debug_asm)
fprintf (asm_out_file, "\t%s line %d", ASM_COMMENT_START, line); fprintf (asm_out_file, "\t%s %s:%d", ASM_COMMENT_START,
filename, line);
fputc ('\n', asm_out_file); fputc ('\n', asm_out_file);
/* expand the line info table if necessary */ /* expand the line info table if necessary */
@ -11694,7 +11697,8 @@ dwarf2out_line (filename, line)
ASM_OUTPUT_INTERNAL_LABEL (asm_out_file, LINE_CODE_LABEL, ASM_OUTPUT_INTERNAL_LABEL (asm_out_file, LINE_CODE_LABEL,
line_info_table_in_use); line_info_table_in_use);
if (flag_debug_asm) if (flag_debug_asm)
fprintf (asm_out_file, "\t%s line %d", ASM_COMMENT_START, line); fprintf (asm_out_file, "\t%s %s:%d", ASM_COMMENT_START,
filename, line);
fputc ('\n', asm_out_file); fputc ('\n', asm_out_file);
/* Expand the line info table if necessary. */ /* Expand the line info table if necessary. */