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dwarf2out.c (UNALIGNED_WORD_ASM_OP): Support 2 bytes pointer.

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* dwarf2out.c (UNALIGNED_WORD_ASM_OP): Support 2 bytes pointer.
        (ASM_OUTPUT_DWARF_ADDR_CONST): Use UNALIGNED_WORD_ASM_OP.
        (DWARF_ARANGES_PAD_SIZE): New define.
        (output_aranges): Use it to pad the address range header.
        (DWARF_ROUND): Fix for non power of 2 rounding.

From-SVN: r32347
This commit is contained in:
Stephane Carrez 2000-03-05 23:25:36 +01:00 committed by Jason Merrill
parent 92df03e1de
commit 262b638442
2 changed files with 30 additions and 15 deletions
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8
gcc/ChangeLog
View File

@ -1,3 +1,11 @@
2000-03-05 Stephane Carrez <stcarrez@worldnet.fr>
* dwarf2out.c (UNALIGNED_WORD_ASM_OP): Support 2 bytes pointer.
(ASM_OUTPUT_DWARF_ADDR_CONST): Use UNALIGNED_WORD_ASM_OP.
(DWARF_ARANGES_PAD_SIZE): New define.
(output_aranges): Use it to pad the address range header.
(DWARF_ROUND): Fix for non power of 2 rounding.
2000-03-05 Jason Merrill <jason@casey.cygnus.com>
* mkdeps.c (deps_calc_target): Remove incorrect 'const'.

37
gcc/dwarf2out.c
View File

@ -159,7 +159,7 @@ dw_fde_node;
/* Round SIZE up to the nearest BOUNDARY. */
#define DWARF_ROUND(SIZE,BOUNDARY) \
(((SIZE) + (BOUNDARY) - 1) & ~((BOUNDARY) - 1))
((((SIZE) + (BOUNDARY) - 1) / (BOUNDARY)) * (BOUNDARY))
/* Offsets recorded in opcodes are a multiple of this alignment factor. */
#ifdef STACK_GROWS_DOWNWARD
@ -312,7 +312,8 @@ static void dwarf2out_frame_debug_expr PARAMS ((rtx, char *));
#ifndef UNALIGNED_WORD_ASM_OP
#define UNALIGNED_WORD_ASM_OP \
(PTR_SIZE == 8 ? UNALIGNED_DOUBLE_INT_ASM_OP : UNALIGNED_INT_ASM_OP)
((PTR_SIZE) == 8 ? UNALIGNED_DOUBLE_INT_ASM_OP : \
((PTR_SIZE) == 2 ? UNALIGNED_SHORT_ASM_OP : UNALIGNED_INT_ASM_OP))
#endif
#ifndef ASM_OUTPUT_DWARF_DELTA2
@ -361,7 +362,7 @@ static void dwarf2out_frame_debug_expr PARAMS ((rtx, char *));
#ifndef ASM_OUTPUT_DWARF_ADDR_CONST
#define ASM_OUTPUT_DWARF_ADDR_CONST(FILE,RTX) \
do { \
fprintf ((FILE), "\t%s\t", UNALIGNED_INT_ASM_OP); \
fprintf ((FILE), "\t%s\t", UNALIGNED_WORD_ASM_OP); \
output_addr_const ((FILE), (RTX)); \
fputc ('\n', (FILE)); \
} while (0)
@ -2142,6 +2143,12 @@ extern int flag_traditional;
#define DWARF_ARANGES_HEADER_SIZE \
(DWARF_ROUND (2 * DWARF_OFFSET_SIZE + 4, PTR_SIZE * 2) - DWARF_OFFSET_SIZE)
/* Size of padding portion in the address range info. It must be
aligned to twice the pointer size. */
#define DWARF_ARANGES_PAD_SIZE \
(DWARF_ROUND (2 * DWARF_OFFSET_SIZE + 4, PTR_SIZE * 2) \
- (2 * DWARF_OFFSET_SIZE + 4))
/* The default is to have gcc emit the line number tables. */
#ifndef DWARF2_ASM_LINE_DEBUG_INFO
#define DWARF2_ASM_LINE_DEBUG_INFO 0
@ -5363,19 +5370,19 @@ output_aranges ()
ASM_COMMENT_START);
fputc ('\n', asm_out_file);
/* We need to align to twice the pointer size here.
If DWARF_OFFSET_SIZE == 4, then we have emitted 12 bytes, and need 4
bytes of padding to align for either 4 or 8 byte pointers. */
ASM_OUTPUT_DWARF_DATA4 (asm_out_file, 0);
/* If DWARF_OFFSET_SIZE == 8, then we have emitted 20 bytes, and need 12
bytes of padding to align for 8 byte pointers. We have already emitted
4 bytes of padding, so emit 8 more here. */
if (DWARF_OFFSET_SIZE == 8)
fprintf (asm_out_file, ",0,0");
if (flag_debug_asm)
fprintf (asm_out_file, "\t%s Pad to %d byte boundary",
ASM_COMMENT_START, 2 * PTR_SIZE);
/* We need to align to twice the pointer size here. */
if (DWARF_ARANGES_PAD_SIZE)
{
/* Pad using a 2 bytes word so that padding is correct
for any pointer size. */
ASM_OUTPUT_DWARF_DATA2 (asm_out_file, 0);
for (i = 2; i < DWARF_ARANGES_PAD_SIZE; i += 2)
fprintf (asm_out_file, ",0");
if (flag_debug_asm)
fprintf (asm_out_file, "\t%s Pad to %d byte boundary",
ASM_COMMENT_START, 2 * PTR_SIZE);
}
fputc ('\n', asm_out_file);
ASM_OUTPUT_DWARF_ADDR (asm_out_file, text_section_label);