/* Dwarf2 assembler output helper routines.
|
/* Dwarf2 assembler output helper routines.
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Copyright (C) 2001, 2002, 2003, 2004, 2005, 2007 Free Software Foundation, Inc.
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Copyright (C) 2001, 2002, 2003, 2004, 2005, 2007 Free Software Foundation, Inc.
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This file is part of GCC.
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This file is part of GCC.
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GCC is free software; you can redistribute it and/or modify it under
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GCC is free software; you can redistribute it and/or modify it under
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the terms of the GNU General Public License as published by the Free
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the terms of the GNU General Public License as published by the Free
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Software Foundation; either version 3, or (at your option) any later
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Software Foundation; either version 3, or (at your option) any later
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version.
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version.
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|
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GCC is distributed in the hope that it will be useful, but WITHOUT ANY
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GCC is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or
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WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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for more details.
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for more details.
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|
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You should have received a copy of the GNU General Public License
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You should have received a copy of the GNU General Public License
|
along with GCC; see the file COPYING3. If not see
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along with GCC; see the file COPYING3. If not see
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<http://www.gnu.org/licenses/>. */
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<http://www.gnu.org/licenses/>. */
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#include "config.h"
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#include "config.h"
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#include "system.h"
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#include "system.h"
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#include "coretypes.h"
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#include "coretypes.h"
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#include "tm.h"
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#include "tm.h"
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#include "flags.h"
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#include "flags.h"
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#include "tree.h"
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#include "tree.h"
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#include "rtl.h"
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#include "rtl.h"
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#include "output.h"
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#include "output.h"
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#include "target.h"
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#include "target.h"
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#include "dwarf2asm.h"
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#include "dwarf2asm.h"
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#include "dwarf2.h"
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#include "dwarf2.h"
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#include "splay-tree.h"
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#include "splay-tree.h"
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#include "ggc.h"
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#include "ggc.h"
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#include "tm_p.h"
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#include "tm_p.h"
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|
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/* How to start an assembler comment. */
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/* How to start an assembler comment. */
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#ifndef ASM_COMMENT_START
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#ifndef ASM_COMMENT_START
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#define ASM_COMMENT_START ";#"
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#define ASM_COMMENT_START ";#"
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#endif
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#endif
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/* Output an unaligned integer with the given value and size. Prefer not
|
/* Output an unaligned integer with the given value and size. Prefer not
|
to print a newline, since the caller may want to add a comment. */
|
to print a newline, since the caller may want to add a comment. */
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|
|
void
|
void
|
dw2_assemble_integer (int size, rtx x)
|
dw2_assemble_integer (int size, rtx x)
|
{
|
{
|
const char *op = integer_asm_op (size, FALSE);
|
const char *op = integer_asm_op (size, FALSE);
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|
|
if (op)
|
if (op)
|
{
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{
|
fputs (op, asm_out_file);
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fputs (op, asm_out_file);
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if (GET_CODE (x) == CONST_INT)
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if (GET_CODE (x) == CONST_INT)
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fprintf (asm_out_file, HOST_WIDE_INT_PRINT_HEX, INTVAL (x));
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fprintf (asm_out_file, HOST_WIDE_INT_PRINT_HEX, INTVAL (x));
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else
|
else
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output_addr_const (asm_out_file, x);
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output_addr_const (asm_out_file, x);
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}
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}
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else
|
else
|
assemble_integer (x, size, BITS_PER_UNIT, 1);
|
assemble_integer (x, size, BITS_PER_UNIT, 1);
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}
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}
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/* Output an immediate constant in a given size. */
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/* Output an immediate constant in a given size. */
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|
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void
|
void
|
dw2_asm_output_data (int size, unsigned HOST_WIDE_INT value,
|
dw2_asm_output_data (int size, unsigned HOST_WIDE_INT value,
|
const char *comment, ...)
|
const char *comment, ...)
|
{
|
{
|
va_list ap;
|
va_list ap;
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const char *op = integer_asm_op (size, FALSE);
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const char *op = integer_asm_op (size, FALSE);
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|
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va_start (ap, comment);
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va_start (ap, comment);
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|
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if (size * 8 < HOST_BITS_PER_WIDE_INT)
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if (size * 8 < HOST_BITS_PER_WIDE_INT)
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value &= ~(~(unsigned HOST_WIDE_INT) 0 << (size * 8));
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value &= ~(~(unsigned HOST_WIDE_INT) 0 << (size * 8));
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|
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if (op)
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if (op)
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fprintf (asm_out_file, "%s" HOST_WIDE_INT_PRINT_HEX, op, value);
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fprintf (asm_out_file, "%s" HOST_WIDE_INT_PRINT_HEX, op, value);
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else
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else
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assemble_integer (GEN_INT (value), size, BITS_PER_UNIT, 1);
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assemble_integer (GEN_INT (value), size, BITS_PER_UNIT, 1);
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if (flag_debug_asm && comment)
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if (flag_debug_asm && comment)
|
{
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{
|
fprintf (asm_out_file, "\t%s ", ASM_COMMENT_START);
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fprintf (asm_out_file, "\t%s ", ASM_COMMENT_START);
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vfprintf (asm_out_file, comment, ap);
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vfprintf (asm_out_file, comment, ap);
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}
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}
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fputc ('\n', asm_out_file);
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fputc ('\n', asm_out_file);
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va_end (ap);
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va_end (ap);
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}
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}
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/* Output the difference between two symbols in a given size. */
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/* Output the difference between two symbols in a given size. */
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/* ??? There appear to be assemblers that do not like such
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/* ??? There appear to be assemblers that do not like such
|
subtraction, but do support ASM_SET_OP. It's unfortunately
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subtraction, but do support ASM_SET_OP. It's unfortunately
|
impossible to do here, since the ASM_SET_OP for the difference
|
impossible to do here, since the ASM_SET_OP for the difference
|
symbol must appear after both symbols are defined. */
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symbol must appear after both symbols are defined. */
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|
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void
|
void
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dw2_asm_output_delta (int size, const char *lab1, const char *lab2,
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dw2_asm_output_delta (int size, const char *lab1, const char *lab2,
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const char *comment, ...)
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const char *comment, ...)
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{
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{
|
va_list ap;
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va_list ap;
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|
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va_start (ap, comment);
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va_start (ap, comment);
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#ifdef ASM_OUTPUT_DWARF_DELTA
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#ifdef ASM_OUTPUT_DWARF_DELTA
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ASM_OUTPUT_DWARF_DELTA (asm_out_file, size, lab1, lab2);
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ASM_OUTPUT_DWARF_DELTA (asm_out_file, size, lab1, lab2);
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#else
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#else
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dw2_assemble_integer (size,
|
dw2_assemble_integer (size,
|
gen_rtx_MINUS (Pmode,
|
gen_rtx_MINUS (Pmode,
|
gen_rtx_SYMBOL_REF (Pmode, lab1),
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gen_rtx_SYMBOL_REF (Pmode, lab1),
|
gen_rtx_SYMBOL_REF (Pmode, lab2)));
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gen_rtx_SYMBOL_REF (Pmode, lab2)));
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#endif
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#endif
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if (flag_debug_asm && comment)
|
if (flag_debug_asm && comment)
|
{
|
{
|
fprintf (asm_out_file, "\t%s ", ASM_COMMENT_START);
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fprintf (asm_out_file, "\t%s ", ASM_COMMENT_START);
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vfprintf (asm_out_file, comment, ap);
|
vfprintf (asm_out_file, comment, ap);
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}
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}
|
fputc ('\n', asm_out_file);
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fputc ('\n', asm_out_file);
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|
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va_end (ap);
|
va_end (ap);
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}
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}
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|
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/* Output a section-relative reference to a LABEL, which was placed in
|
/* Output a section-relative reference to a LABEL, which was placed in
|
BASE. In general this can only be done for debugging symbols.
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BASE. In general this can only be done for debugging symbols.
|
E.g. on most targets with the GNU linker, this is accomplished with
|
E.g. on most targets with the GNU linker, this is accomplished with
|
a direct reference and the knowledge that the debugging section
|
a direct reference and the knowledge that the debugging section
|
will be placed at VMA 0. Some targets have special relocations for
|
will be placed at VMA 0. Some targets have special relocations for
|
this that we must use. */
|
this that we must use. */
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|
|
void
|
void
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dw2_asm_output_offset (int size, const char *label,
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dw2_asm_output_offset (int size, const char *label,
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section *base ATTRIBUTE_UNUSED,
|
section *base ATTRIBUTE_UNUSED,
|
const char *comment, ...)
|
const char *comment, ...)
|
{
|
{
|
va_list ap;
|
va_list ap;
|
|
|
va_start (ap, comment);
|
va_start (ap, comment);
|
|
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#ifdef ASM_OUTPUT_DWARF_OFFSET
|
#ifdef ASM_OUTPUT_DWARF_OFFSET
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ASM_OUTPUT_DWARF_OFFSET (asm_out_file, size, label, base);
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ASM_OUTPUT_DWARF_OFFSET (asm_out_file, size, label, base);
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#else
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#else
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dw2_assemble_integer (size, gen_rtx_SYMBOL_REF (Pmode, label));
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dw2_assemble_integer (size, gen_rtx_SYMBOL_REF (Pmode, label));
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#endif
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#endif
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|
|
if (flag_debug_asm && comment)
|
if (flag_debug_asm && comment)
|
{
|
{
|
fprintf (asm_out_file, "\t%s ", ASM_COMMENT_START);
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fprintf (asm_out_file, "\t%s ", ASM_COMMENT_START);
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vfprintf (asm_out_file, comment, ap);
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vfprintf (asm_out_file, comment, ap);
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}
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}
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fputc ('\n', asm_out_file);
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fputc ('\n', asm_out_file);
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|
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va_end (ap);
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va_end (ap);
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}
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}
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|
|
#if 0
|
#if 0
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|
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/* Output a self-relative reference to a label, possibly in a
|
/* Output a self-relative reference to a label, possibly in a
|
different section or object file. */
|
different section or object file. */
|
|
|
void
|
void
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dw2_asm_output_pcrel (int size ATTRIBUTE_UNUSED,
|
dw2_asm_output_pcrel (int size ATTRIBUTE_UNUSED,
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const char *label ATTRIBUTE_UNUSED,
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const char *label ATTRIBUTE_UNUSED,
|
const char *comment, ...)
|
const char *comment, ...)
|
{
|
{
|
va_list ap;
|
va_list ap;
|
|
|
va_start (ap, comment);
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va_start (ap, comment);
|
|
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#ifdef ASM_OUTPUT_DWARF_PCREL
|
#ifdef ASM_OUTPUT_DWARF_PCREL
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ASM_OUTPUT_DWARF_PCREL (asm_out_file, size, label);
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ASM_OUTPUT_DWARF_PCREL (asm_out_file, size, label);
|
#else
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#else
|
dw2_assemble_integer (size,
|
dw2_assemble_integer (size,
|
gen_rtx_MINUS (Pmode,
|
gen_rtx_MINUS (Pmode,
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gen_rtx_SYMBOL_REF (Pmode, label),
|
gen_rtx_SYMBOL_REF (Pmode, label),
|
pc_rtx));
|
pc_rtx));
|
#endif
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#endif
|
|
|
if (flag_debug_asm && comment)
|
if (flag_debug_asm && comment)
|
{
|
{
|
fprintf (asm_out_file, "\t%s ", ASM_COMMENT_START);
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fprintf (asm_out_file, "\t%s ", ASM_COMMENT_START);
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vfprintf (asm_out_file, comment, ap);
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vfprintf (asm_out_file, comment, ap);
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}
|
}
|
fputc ('\n', asm_out_file);
|
fputc ('\n', asm_out_file);
|
|
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va_end (ap);
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va_end (ap);
|
}
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}
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#endif /* 0 */
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#endif /* 0 */
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|
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/* Output an absolute reference to a label. */
|
/* Output an absolute reference to a label. */
|
|
|
void
|
void
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dw2_asm_output_addr (int size, const char *label,
|
dw2_asm_output_addr (int size, const char *label,
|
const char *comment, ...)
|
const char *comment, ...)
|
{
|
{
|
va_list ap;
|
va_list ap;
|
|
|
va_start (ap, comment);
|
va_start (ap, comment);
|
|
|
dw2_assemble_integer (size, gen_rtx_SYMBOL_REF (Pmode, label));
|
dw2_assemble_integer (size, gen_rtx_SYMBOL_REF (Pmode, label));
|
|
|
if (flag_debug_asm && comment)
|
if (flag_debug_asm && comment)
|
{
|
{
|
fprintf (asm_out_file, "\t%s ", ASM_COMMENT_START);
|
fprintf (asm_out_file, "\t%s ", ASM_COMMENT_START);
|
vfprintf (asm_out_file, comment, ap);
|
vfprintf (asm_out_file, comment, ap);
|
}
|
}
|
fputc ('\n', asm_out_file);
|
fputc ('\n', asm_out_file);
|
|
|
va_end (ap);
|
va_end (ap);
|
}
|
}
|
|
|
/* Similar, but use an RTX expression instead of a text label. */
|
/* Similar, but use an RTX expression instead of a text label. */
|
|
|
void
|
void
|
dw2_asm_output_addr_rtx (int size, rtx addr,
|
dw2_asm_output_addr_rtx (int size, rtx addr,
|
const char *comment, ...)
|
const char *comment, ...)
|
{
|
{
|
va_list ap;
|
va_list ap;
|
|
|
va_start (ap, comment);
|
va_start (ap, comment);
|
|
|
dw2_assemble_integer (size, addr);
|
dw2_assemble_integer (size, addr);
|
|
|
if (flag_debug_asm && comment)
|
if (flag_debug_asm && comment)
|
{
|
{
|
fprintf (asm_out_file, "\t%s ", ASM_COMMENT_START);
|
fprintf (asm_out_file, "\t%s ", ASM_COMMENT_START);
|
vfprintf (asm_out_file, comment, ap);
|
vfprintf (asm_out_file, comment, ap);
|
}
|
}
|
fputc ('\n', asm_out_file);
|
fputc ('\n', asm_out_file);
|
|
|
va_end (ap);
|
va_end (ap);
|
}
|
}
|
|
|
/* Output the first ORIG_LEN characters of STR as a string.
|
/* Output the first ORIG_LEN characters of STR as a string.
|
If ORIG_LEN is equal to -1, ignore this parameter and output
|
If ORIG_LEN is equal to -1, ignore this parameter and output
|
the entire STR instead.
|
the entire STR instead.
|
If COMMENT is not NULL and comments in the debug information
|
If COMMENT is not NULL and comments in the debug information
|
have been requested by the user, append the given COMMENT
|
have been requested by the user, append the given COMMENT
|
to the generated output. */
|
to the generated output. */
|
|
|
void
|
void
|
dw2_asm_output_nstring (const char *str, size_t orig_len,
|
dw2_asm_output_nstring (const char *str, size_t orig_len,
|
const char *comment, ...)
|
const char *comment, ...)
|
{
|
{
|
size_t i, len;
|
size_t i, len;
|
va_list ap;
|
va_list ap;
|
|
|
va_start (ap, comment);
|
va_start (ap, comment);
|
|
|
len = orig_len;
|
len = orig_len;
|
|
|
if (len == (size_t) -1)
|
if (len == (size_t) -1)
|
len = strlen (str);
|
len = strlen (str);
|
|
|
if (flag_debug_asm && comment)
|
if (flag_debug_asm && comment)
|
{
|
{
|
fputs ("\t.ascii \"", asm_out_file);
|
fputs ("\t.ascii \"", asm_out_file);
|
for (i = 0; i < len; i++)
|
for (i = 0; i < len; i++)
|
{
|
{
|
int c = str[i];
|
int c = str[i];
|
if (c == '\"' || c == '\\')
|
if (c == '\"' || c == '\\')
|
fputc ('\\', asm_out_file);
|
fputc ('\\', asm_out_file);
|
if (ISPRINT(c))
|
if (ISPRINT(c))
|
fputc (c, asm_out_file);
|
fputc (c, asm_out_file);
|
else
|
else
|
fprintf (asm_out_file, "\\%o", c);
|
fprintf (asm_out_file, "\\%o", c);
|
}
|
}
|
fprintf (asm_out_file, "\\0\"\t%s ", ASM_COMMENT_START);
|
fprintf (asm_out_file, "\\0\"\t%s ", ASM_COMMENT_START);
|
vfprintf (asm_out_file, comment, ap);
|
vfprintf (asm_out_file, comment, ap);
|
fputc ('\n', asm_out_file);
|
fputc ('\n', asm_out_file);
|
}
|
}
|
else
|
else
|
{
|
{
|
/* If an explicit length was given, we can't assume there
|
/* If an explicit length was given, we can't assume there
|
is a null termination in the string buffer. */
|
is a null termination in the string buffer. */
|
if (orig_len == (size_t) -1)
|
if (orig_len == (size_t) -1)
|
len += 1;
|
len += 1;
|
ASM_OUTPUT_ASCII (asm_out_file, str, len);
|
ASM_OUTPUT_ASCII (asm_out_file, str, len);
|
if (orig_len != (size_t) -1)
|
if (orig_len != (size_t) -1)
|
assemble_integer (const0_rtx, 1, BITS_PER_UNIT, 1);
|
assemble_integer (const0_rtx, 1, BITS_PER_UNIT, 1);
|
}
|
}
|
|
|
va_end (ap);
|
va_end (ap);
|
}
|
}
|
|
|
|
|
/* Return the size of an unsigned LEB128 quantity. */
|
/* Return the size of an unsigned LEB128 quantity. */
|
|
|
int
|
int
|
size_of_uleb128 (unsigned HOST_WIDE_INT value)
|
size_of_uleb128 (unsigned HOST_WIDE_INT value)
|
{
|
{
|
int size = 0;
|
int size = 0;
|
|
|
do
|
do
|
{
|
{
|
value >>= 7;
|
value >>= 7;
|
size += 1;
|
size += 1;
|
}
|
}
|
while (value != 0);
|
while (value != 0);
|
|
|
return size;
|
return size;
|
}
|
}
|
|
|
/* Return the size of a signed LEB128 quantity. */
|
/* Return the size of a signed LEB128 quantity. */
|
|
|
int
|
int
|
size_of_sleb128 (HOST_WIDE_INT value)
|
size_of_sleb128 (HOST_WIDE_INT value)
|
{
|
{
|
int size = 0, byte;
|
int size = 0, byte;
|
|
|
do
|
do
|
{
|
{
|
byte = (value & 0x7f);
|
byte = (value & 0x7f);
|
value >>= 7;
|
value >>= 7;
|
size += 1;
|
size += 1;
|
}
|
}
|
while (!((value == 0 && (byte & 0x40) == 0)
|
while (!((value == 0 && (byte & 0x40) == 0)
|
|| (value == -1 && (byte & 0x40) != 0)));
|
|| (value == -1 && (byte & 0x40) != 0)));
|
|
|
return size;
|
return size;
|
}
|
}
|
|
|
/* Given an encoding, return the number of bytes the format occupies.
|
/* Given an encoding, return the number of bytes the format occupies.
|
This is only defined for fixed-size encodings, and so does not
|
This is only defined for fixed-size encodings, and so does not
|
include leb128. */
|
include leb128. */
|
|
|
int
|
int
|
size_of_encoded_value (int encoding)
|
size_of_encoded_value (int encoding)
|
{
|
{
|
if (encoding == DW_EH_PE_omit)
|
if (encoding == DW_EH_PE_omit)
|
return 0;
|
return 0;
|
|
|
switch (encoding & 0x07)
|
switch (encoding & 0x07)
|
{
|
{
|
case DW_EH_PE_absptr:
|
case DW_EH_PE_absptr:
|
return POINTER_SIZE / BITS_PER_UNIT;
|
return POINTER_SIZE / BITS_PER_UNIT;
|
case DW_EH_PE_udata2:
|
case DW_EH_PE_udata2:
|
return 2;
|
return 2;
|
case DW_EH_PE_udata4:
|
case DW_EH_PE_udata4:
|
return 4;
|
return 4;
|
case DW_EH_PE_udata8:
|
case DW_EH_PE_udata8:
|
return 8;
|
return 8;
|
default:
|
default:
|
gcc_unreachable ();
|
gcc_unreachable ();
|
}
|
}
|
}
|
}
|
|
|
/* Yield a name for a given pointer encoding. */
|
/* Yield a name for a given pointer encoding. */
|
|
|
const char *
|
const char *
|
eh_data_format_name (int format)
|
eh_data_format_name (int format)
|
{
|
{
|
#if HAVE_DESIGNATED_INITIALIZERS
|
#if HAVE_DESIGNATED_INITIALIZERS
|
#define S(p, v) [p] = v,
|
#define S(p, v) [p] = v,
|
#else
|
#else
|
#define S(p, v) case p: return v;
|
#define S(p, v) case p: return v;
|
#endif
|
#endif
|
|
|
#if HAVE_DESIGNATED_INITIALIZERS
|
#if HAVE_DESIGNATED_INITIALIZERS
|
__extension__ static const char * const format_names[256] = {
|
__extension__ static const char * const format_names[256] = {
|
#else
|
#else
|
switch (format) {
|
switch (format) {
|
#endif
|
#endif
|
|
|
S(DW_EH_PE_absptr, "absolute")
|
S(DW_EH_PE_absptr, "absolute")
|
S(DW_EH_PE_omit, "omit")
|
S(DW_EH_PE_omit, "omit")
|
S(DW_EH_PE_aligned, "aligned absolute")
|
S(DW_EH_PE_aligned, "aligned absolute")
|
|
|
S(DW_EH_PE_uleb128, "uleb128")
|
S(DW_EH_PE_uleb128, "uleb128")
|
S(DW_EH_PE_udata2, "udata2")
|
S(DW_EH_PE_udata2, "udata2")
|
S(DW_EH_PE_udata4, "udata4")
|
S(DW_EH_PE_udata4, "udata4")
|
S(DW_EH_PE_udata8, "udata8")
|
S(DW_EH_PE_udata8, "udata8")
|
S(DW_EH_PE_sleb128, "sleb128")
|
S(DW_EH_PE_sleb128, "sleb128")
|
S(DW_EH_PE_sdata2, "sdata2")
|
S(DW_EH_PE_sdata2, "sdata2")
|
S(DW_EH_PE_sdata4, "sdata4")
|
S(DW_EH_PE_sdata4, "sdata4")
|
S(DW_EH_PE_sdata8, "sdata8")
|
S(DW_EH_PE_sdata8, "sdata8")
|
|
|
S(DW_EH_PE_absptr | DW_EH_PE_pcrel, "pcrel")
|
S(DW_EH_PE_absptr | DW_EH_PE_pcrel, "pcrel")
|
S(DW_EH_PE_uleb128 | DW_EH_PE_pcrel, "pcrel uleb128")
|
S(DW_EH_PE_uleb128 | DW_EH_PE_pcrel, "pcrel uleb128")
|
S(DW_EH_PE_udata2 | DW_EH_PE_pcrel, "pcrel udata2")
|
S(DW_EH_PE_udata2 | DW_EH_PE_pcrel, "pcrel udata2")
|
S(DW_EH_PE_udata4 | DW_EH_PE_pcrel, "pcrel udata4")
|
S(DW_EH_PE_udata4 | DW_EH_PE_pcrel, "pcrel udata4")
|
S(DW_EH_PE_udata8 | DW_EH_PE_pcrel, "pcrel udata8")
|
S(DW_EH_PE_udata8 | DW_EH_PE_pcrel, "pcrel udata8")
|
S(DW_EH_PE_sleb128 | DW_EH_PE_pcrel, "pcrel sleb128")
|
S(DW_EH_PE_sleb128 | DW_EH_PE_pcrel, "pcrel sleb128")
|
S(DW_EH_PE_sdata2 | DW_EH_PE_pcrel, "pcrel sdata2")
|
S(DW_EH_PE_sdata2 | DW_EH_PE_pcrel, "pcrel sdata2")
|
S(DW_EH_PE_sdata4 | DW_EH_PE_pcrel, "pcrel sdata4")
|
S(DW_EH_PE_sdata4 | DW_EH_PE_pcrel, "pcrel sdata4")
|
S(DW_EH_PE_sdata8 | DW_EH_PE_pcrel, "pcrel sdata8")
|
S(DW_EH_PE_sdata8 | DW_EH_PE_pcrel, "pcrel sdata8")
|
|
|
S(DW_EH_PE_absptr | DW_EH_PE_textrel, "textrel")
|
S(DW_EH_PE_absptr | DW_EH_PE_textrel, "textrel")
|
S(DW_EH_PE_uleb128 | DW_EH_PE_textrel, "textrel uleb128")
|
S(DW_EH_PE_uleb128 | DW_EH_PE_textrel, "textrel uleb128")
|
S(DW_EH_PE_udata2 | DW_EH_PE_textrel, "textrel udata2")
|
S(DW_EH_PE_udata2 | DW_EH_PE_textrel, "textrel udata2")
|
S(DW_EH_PE_udata4 | DW_EH_PE_textrel, "textrel udata4")
|
S(DW_EH_PE_udata4 | DW_EH_PE_textrel, "textrel udata4")
|
S(DW_EH_PE_udata8 | DW_EH_PE_textrel, "textrel udata8")
|
S(DW_EH_PE_udata8 | DW_EH_PE_textrel, "textrel udata8")
|
S(DW_EH_PE_sleb128 | DW_EH_PE_textrel, "textrel sleb128")
|
S(DW_EH_PE_sleb128 | DW_EH_PE_textrel, "textrel sleb128")
|
S(DW_EH_PE_sdata2 | DW_EH_PE_textrel, "textrel sdata2")
|
S(DW_EH_PE_sdata2 | DW_EH_PE_textrel, "textrel sdata2")
|
S(DW_EH_PE_sdata4 | DW_EH_PE_textrel, "textrel sdata4")
|
S(DW_EH_PE_sdata4 | DW_EH_PE_textrel, "textrel sdata4")
|
S(DW_EH_PE_sdata8 | DW_EH_PE_textrel, "textrel sdata8")
|
S(DW_EH_PE_sdata8 | DW_EH_PE_textrel, "textrel sdata8")
|
|
|
S(DW_EH_PE_absptr | DW_EH_PE_datarel, "datarel")
|
S(DW_EH_PE_absptr | DW_EH_PE_datarel, "datarel")
|
S(DW_EH_PE_uleb128 | DW_EH_PE_datarel, "datarel uleb128")
|
S(DW_EH_PE_uleb128 | DW_EH_PE_datarel, "datarel uleb128")
|
S(DW_EH_PE_udata2 | DW_EH_PE_datarel, "datarel udata2")
|
S(DW_EH_PE_udata2 | DW_EH_PE_datarel, "datarel udata2")
|
S(DW_EH_PE_udata4 | DW_EH_PE_datarel, "datarel udata4")
|
S(DW_EH_PE_udata4 | DW_EH_PE_datarel, "datarel udata4")
|
S(DW_EH_PE_udata8 | DW_EH_PE_datarel, "datarel udata8")
|
S(DW_EH_PE_udata8 | DW_EH_PE_datarel, "datarel udata8")
|
S(DW_EH_PE_sleb128 | DW_EH_PE_datarel, "datarel sleb128")
|
S(DW_EH_PE_sleb128 | DW_EH_PE_datarel, "datarel sleb128")
|
S(DW_EH_PE_sdata2 | DW_EH_PE_datarel, "datarel sdata2")
|
S(DW_EH_PE_sdata2 | DW_EH_PE_datarel, "datarel sdata2")
|
S(DW_EH_PE_sdata4 | DW_EH_PE_datarel, "datarel sdata4")
|
S(DW_EH_PE_sdata4 | DW_EH_PE_datarel, "datarel sdata4")
|
S(DW_EH_PE_sdata8 | DW_EH_PE_datarel, "datarel sdata8")
|
S(DW_EH_PE_sdata8 | DW_EH_PE_datarel, "datarel sdata8")
|
|
|
S(DW_EH_PE_absptr | DW_EH_PE_funcrel, "funcrel")
|
S(DW_EH_PE_absptr | DW_EH_PE_funcrel, "funcrel")
|
S(DW_EH_PE_uleb128 | DW_EH_PE_funcrel, "funcrel uleb128")
|
S(DW_EH_PE_uleb128 | DW_EH_PE_funcrel, "funcrel uleb128")
|
S(DW_EH_PE_udata2 | DW_EH_PE_funcrel, "funcrel udata2")
|
S(DW_EH_PE_udata2 | DW_EH_PE_funcrel, "funcrel udata2")
|
S(DW_EH_PE_udata4 | DW_EH_PE_funcrel, "funcrel udata4")
|
S(DW_EH_PE_udata4 | DW_EH_PE_funcrel, "funcrel udata4")
|
S(DW_EH_PE_udata8 | DW_EH_PE_funcrel, "funcrel udata8")
|
S(DW_EH_PE_udata8 | DW_EH_PE_funcrel, "funcrel udata8")
|
S(DW_EH_PE_sleb128 | DW_EH_PE_funcrel, "funcrel sleb128")
|
S(DW_EH_PE_sleb128 | DW_EH_PE_funcrel, "funcrel sleb128")
|
S(DW_EH_PE_sdata2 | DW_EH_PE_funcrel, "funcrel sdata2")
|
S(DW_EH_PE_sdata2 | DW_EH_PE_funcrel, "funcrel sdata2")
|
S(DW_EH_PE_sdata4 | DW_EH_PE_funcrel, "funcrel sdata4")
|
S(DW_EH_PE_sdata4 | DW_EH_PE_funcrel, "funcrel sdata4")
|
S(DW_EH_PE_sdata8 | DW_EH_PE_funcrel, "funcrel sdata8")
|
S(DW_EH_PE_sdata8 | DW_EH_PE_funcrel, "funcrel sdata8")
|
|
|
S(DW_EH_PE_indirect | DW_EH_PE_absptr | DW_EH_PE_pcrel,
|
S(DW_EH_PE_indirect | DW_EH_PE_absptr | DW_EH_PE_pcrel,
|
"indirect pcrel")
|
"indirect pcrel")
|
S(DW_EH_PE_indirect | DW_EH_PE_uleb128 | DW_EH_PE_pcrel,
|
S(DW_EH_PE_indirect | DW_EH_PE_uleb128 | DW_EH_PE_pcrel,
|
"indirect pcrel uleb128")
|
"indirect pcrel uleb128")
|
S(DW_EH_PE_indirect | DW_EH_PE_udata2 | DW_EH_PE_pcrel,
|
S(DW_EH_PE_indirect | DW_EH_PE_udata2 | DW_EH_PE_pcrel,
|
"indirect pcrel udata2")
|
"indirect pcrel udata2")
|
S(DW_EH_PE_indirect | DW_EH_PE_udata4 | DW_EH_PE_pcrel,
|
S(DW_EH_PE_indirect | DW_EH_PE_udata4 | DW_EH_PE_pcrel,
|
"indirect pcrel udata4")
|
"indirect pcrel udata4")
|
S(DW_EH_PE_indirect | DW_EH_PE_udata8 | DW_EH_PE_pcrel,
|
S(DW_EH_PE_indirect | DW_EH_PE_udata8 | DW_EH_PE_pcrel,
|
"indirect pcrel udata8")
|
"indirect pcrel udata8")
|
S(DW_EH_PE_indirect | DW_EH_PE_sleb128 | DW_EH_PE_pcrel,
|
S(DW_EH_PE_indirect | DW_EH_PE_sleb128 | DW_EH_PE_pcrel,
|
"indirect pcrel sleb128")
|
"indirect pcrel sleb128")
|
S(DW_EH_PE_indirect | DW_EH_PE_sdata2 | DW_EH_PE_pcrel,
|
S(DW_EH_PE_indirect | DW_EH_PE_sdata2 | DW_EH_PE_pcrel,
|
"indirect pcrel sdata2")
|
"indirect pcrel sdata2")
|
S(DW_EH_PE_indirect | DW_EH_PE_sdata4 | DW_EH_PE_pcrel,
|
S(DW_EH_PE_indirect | DW_EH_PE_sdata4 | DW_EH_PE_pcrel,
|
"indirect pcrel sdata4")
|
"indirect pcrel sdata4")
|
S(DW_EH_PE_indirect | DW_EH_PE_sdata8 | DW_EH_PE_pcrel,
|
S(DW_EH_PE_indirect | DW_EH_PE_sdata8 | DW_EH_PE_pcrel,
|
"indirect pcrel sdata8")
|
"indirect pcrel sdata8")
|
|
|
S(DW_EH_PE_indirect | DW_EH_PE_absptr | DW_EH_PE_textrel,
|
S(DW_EH_PE_indirect | DW_EH_PE_absptr | DW_EH_PE_textrel,
|
"indirect textrel")
|
"indirect textrel")
|
S(DW_EH_PE_indirect | DW_EH_PE_uleb128 | DW_EH_PE_textrel,
|
S(DW_EH_PE_indirect | DW_EH_PE_uleb128 | DW_EH_PE_textrel,
|
"indirect textrel uleb128")
|
"indirect textrel uleb128")
|
S(DW_EH_PE_indirect | DW_EH_PE_udata2 | DW_EH_PE_textrel,
|
S(DW_EH_PE_indirect | DW_EH_PE_udata2 | DW_EH_PE_textrel,
|
"indirect textrel udata2")
|
"indirect textrel udata2")
|
S(DW_EH_PE_indirect | DW_EH_PE_udata4 | DW_EH_PE_textrel,
|
S(DW_EH_PE_indirect | DW_EH_PE_udata4 | DW_EH_PE_textrel,
|
"indirect textrel udata4")
|
"indirect textrel udata4")
|
S(DW_EH_PE_indirect | DW_EH_PE_udata8 | DW_EH_PE_textrel,
|
S(DW_EH_PE_indirect | DW_EH_PE_udata8 | DW_EH_PE_textrel,
|
"indirect textrel udata8")
|
"indirect textrel udata8")
|
S(DW_EH_PE_indirect | DW_EH_PE_sleb128 | DW_EH_PE_textrel,
|
S(DW_EH_PE_indirect | DW_EH_PE_sleb128 | DW_EH_PE_textrel,
|
"indirect textrel sleb128")
|
"indirect textrel sleb128")
|
S(DW_EH_PE_indirect | DW_EH_PE_sdata2 | DW_EH_PE_textrel,
|
S(DW_EH_PE_indirect | DW_EH_PE_sdata2 | DW_EH_PE_textrel,
|
"indirect textrel sdata2")
|
"indirect textrel sdata2")
|
S(DW_EH_PE_indirect | DW_EH_PE_sdata4 | DW_EH_PE_textrel,
|
S(DW_EH_PE_indirect | DW_EH_PE_sdata4 | DW_EH_PE_textrel,
|
"indirect textrel sdata4")
|
"indirect textrel sdata4")
|
S(DW_EH_PE_indirect | DW_EH_PE_sdata8 | DW_EH_PE_textrel,
|
S(DW_EH_PE_indirect | DW_EH_PE_sdata8 | DW_EH_PE_textrel,
|
"indirect textrel sdata8")
|
"indirect textrel sdata8")
|
|
|
S(DW_EH_PE_indirect | DW_EH_PE_absptr | DW_EH_PE_datarel,
|
S(DW_EH_PE_indirect | DW_EH_PE_absptr | DW_EH_PE_datarel,
|
"indirect datarel")
|
"indirect datarel")
|
S(DW_EH_PE_indirect | DW_EH_PE_uleb128 | DW_EH_PE_datarel,
|
S(DW_EH_PE_indirect | DW_EH_PE_uleb128 | DW_EH_PE_datarel,
|
"indirect datarel uleb128")
|
"indirect datarel uleb128")
|
S(DW_EH_PE_indirect | DW_EH_PE_udata2 | DW_EH_PE_datarel,
|
S(DW_EH_PE_indirect | DW_EH_PE_udata2 | DW_EH_PE_datarel,
|
"indirect datarel udata2")
|
"indirect datarel udata2")
|
S(DW_EH_PE_indirect | DW_EH_PE_udata4 | DW_EH_PE_datarel,
|
S(DW_EH_PE_indirect | DW_EH_PE_udata4 | DW_EH_PE_datarel,
|
"indirect datarel udata4")
|
"indirect datarel udata4")
|
S(DW_EH_PE_indirect | DW_EH_PE_udata8 | DW_EH_PE_datarel,
|
S(DW_EH_PE_indirect | DW_EH_PE_udata8 | DW_EH_PE_datarel,
|
"indirect datarel udata8")
|
"indirect datarel udata8")
|
S(DW_EH_PE_indirect | DW_EH_PE_sleb128 | DW_EH_PE_datarel,
|
S(DW_EH_PE_indirect | DW_EH_PE_sleb128 | DW_EH_PE_datarel,
|
"indirect datarel sleb128")
|
"indirect datarel sleb128")
|
S(DW_EH_PE_indirect | DW_EH_PE_sdata2 | DW_EH_PE_datarel,
|
S(DW_EH_PE_indirect | DW_EH_PE_sdata2 | DW_EH_PE_datarel,
|
"indirect datarel sdata2")
|
"indirect datarel sdata2")
|
S(DW_EH_PE_indirect | DW_EH_PE_sdata4 | DW_EH_PE_datarel,
|
S(DW_EH_PE_indirect | DW_EH_PE_sdata4 | DW_EH_PE_datarel,
|
"indirect datarel sdata4")
|
"indirect datarel sdata4")
|
S(DW_EH_PE_indirect | DW_EH_PE_sdata8 | DW_EH_PE_datarel,
|
S(DW_EH_PE_indirect | DW_EH_PE_sdata8 | DW_EH_PE_datarel,
|
"indirect datarel sdata8")
|
"indirect datarel sdata8")
|
|
|
S(DW_EH_PE_indirect | DW_EH_PE_absptr | DW_EH_PE_funcrel,
|
S(DW_EH_PE_indirect | DW_EH_PE_absptr | DW_EH_PE_funcrel,
|
"indirect funcrel")
|
"indirect funcrel")
|
S(DW_EH_PE_indirect | DW_EH_PE_uleb128 | DW_EH_PE_funcrel,
|
S(DW_EH_PE_indirect | DW_EH_PE_uleb128 | DW_EH_PE_funcrel,
|
"indirect funcrel uleb128")
|
"indirect funcrel uleb128")
|
S(DW_EH_PE_indirect | DW_EH_PE_udata2 | DW_EH_PE_funcrel,
|
S(DW_EH_PE_indirect | DW_EH_PE_udata2 | DW_EH_PE_funcrel,
|
"indirect funcrel udata2")
|
"indirect funcrel udata2")
|
S(DW_EH_PE_indirect | DW_EH_PE_udata4 | DW_EH_PE_funcrel,
|
S(DW_EH_PE_indirect | DW_EH_PE_udata4 | DW_EH_PE_funcrel,
|
"indirect funcrel udata4")
|
"indirect funcrel udata4")
|
S(DW_EH_PE_indirect | DW_EH_PE_udata8 | DW_EH_PE_funcrel,
|
S(DW_EH_PE_indirect | DW_EH_PE_udata8 | DW_EH_PE_funcrel,
|
"indirect funcrel udata8")
|
"indirect funcrel udata8")
|
S(DW_EH_PE_indirect | DW_EH_PE_sleb128 | DW_EH_PE_funcrel,
|
S(DW_EH_PE_indirect | DW_EH_PE_sleb128 | DW_EH_PE_funcrel,
|
"indirect funcrel sleb128")
|
"indirect funcrel sleb128")
|
S(DW_EH_PE_indirect | DW_EH_PE_sdata2 | DW_EH_PE_funcrel,
|
S(DW_EH_PE_indirect | DW_EH_PE_sdata2 | DW_EH_PE_funcrel,
|
"indirect funcrel sdata2")
|
"indirect funcrel sdata2")
|
S(DW_EH_PE_indirect | DW_EH_PE_sdata4 | DW_EH_PE_funcrel,
|
S(DW_EH_PE_indirect | DW_EH_PE_sdata4 | DW_EH_PE_funcrel,
|
"indirect funcrel sdata4")
|
"indirect funcrel sdata4")
|
S(DW_EH_PE_indirect | DW_EH_PE_sdata8 | DW_EH_PE_funcrel,
|
S(DW_EH_PE_indirect | DW_EH_PE_sdata8 | DW_EH_PE_funcrel,
|
"indirect funcrel sdata8")
|
"indirect funcrel sdata8")
|
|
|
#if HAVE_DESIGNATED_INITIALIZERS
|
#if HAVE_DESIGNATED_INITIALIZERS
|
};
|
};
|
|
|
gcc_assert (format >= 0 && format < 0x100 && format_names[format]);
|
gcc_assert (format >= 0 && format < 0x100 && format_names[format]);
|
|
|
return format_names[format];
|
return format_names[format];
|
#else
|
#else
|
}
|
}
|
gcc_unreachable ();
|
gcc_unreachable ();
|
#endif
|
#endif
|
}
|
}
|
|
|
/* Output an unsigned LEB128 quantity. */
|
/* Output an unsigned LEB128 quantity. */
|
|
|
void
|
void
|
dw2_asm_output_data_uleb128 (unsigned HOST_WIDE_INT value,
|
dw2_asm_output_data_uleb128 (unsigned HOST_WIDE_INT value,
|
const char *comment, ...)
|
const char *comment, ...)
|
{
|
{
|
va_list ap;
|
va_list ap;
|
|
|
va_start (ap, comment);
|
va_start (ap, comment);
|
|
|
#ifdef HAVE_AS_LEB128
|
#ifdef HAVE_AS_LEB128
|
fprintf (asm_out_file, "\t.uleb128 " HOST_WIDE_INT_PRINT_HEX , value);
|
fprintf (asm_out_file, "\t.uleb128 " HOST_WIDE_INT_PRINT_HEX , value);
|
|
|
if (flag_debug_asm && comment)
|
if (flag_debug_asm && comment)
|
{
|
{
|
fprintf (asm_out_file, "\t%s ", ASM_COMMENT_START);
|
fprintf (asm_out_file, "\t%s ", ASM_COMMENT_START);
|
vfprintf (asm_out_file, comment, ap);
|
vfprintf (asm_out_file, comment, ap);
|
}
|
}
|
#else
|
#else
|
{
|
{
|
unsigned HOST_WIDE_INT work = value;
|
unsigned HOST_WIDE_INT work = value;
|
const char *byte_op = targetm.asm_out.byte_op;
|
const char *byte_op = targetm.asm_out.byte_op;
|
|
|
if (byte_op)
|
if (byte_op)
|
fputs (byte_op, asm_out_file);
|
fputs (byte_op, asm_out_file);
|
do
|
do
|
{
|
{
|
int byte = (work & 0x7f);
|
int byte = (work & 0x7f);
|
work >>= 7;
|
work >>= 7;
|
if (work != 0)
|
if (work != 0)
|
/* More bytes to follow. */
|
/* More bytes to follow. */
|
byte |= 0x80;
|
byte |= 0x80;
|
|
|
if (byte_op)
|
if (byte_op)
|
{
|
{
|
fprintf (asm_out_file, "0x%x", byte);
|
fprintf (asm_out_file, "0x%x", byte);
|
if (work != 0)
|
if (work != 0)
|
fputc (',', asm_out_file);
|
fputc (',', asm_out_file);
|
}
|
}
|
else
|
else
|
assemble_integer (GEN_INT (byte), 1, BITS_PER_UNIT, 1);
|
assemble_integer (GEN_INT (byte), 1, BITS_PER_UNIT, 1);
|
}
|
}
|
while (work != 0);
|
while (work != 0);
|
|
|
if (flag_debug_asm)
|
if (flag_debug_asm)
|
{
|
{
|
fprintf (asm_out_file, "\t%s uleb128 " HOST_WIDE_INT_PRINT_HEX,
|
fprintf (asm_out_file, "\t%s uleb128 " HOST_WIDE_INT_PRINT_HEX,
|
ASM_COMMENT_START, value);
|
ASM_COMMENT_START, value);
|
if (comment)
|
if (comment)
|
{
|
{
|
fputs ("; ", asm_out_file);
|
fputs ("; ", asm_out_file);
|
vfprintf (asm_out_file, comment, ap);
|
vfprintf (asm_out_file, comment, ap);
|
}
|
}
|
}
|
}
|
}
|
}
|
#endif
|
#endif
|
fputc ('\n', asm_out_file);
|
fputc ('\n', asm_out_file);
|
|
|
va_end (ap);
|
va_end (ap);
|
}
|
}
|
|
|
/* Output a signed LEB128 quantity. */
|
/* Output a signed LEB128 quantity. */
|
|
|
void
|
void
|
dw2_asm_output_data_sleb128 (HOST_WIDE_INT value,
|
dw2_asm_output_data_sleb128 (HOST_WIDE_INT value,
|
const char *comment, ...)
|
const char *comment, ...)
|
{
|
{
|
va_list ap;
|
va_list ap;
|
|
|
va_start (ap, comment);
|
va_start (ap, comment);
|
|
|
#ifdef HAVE_AS_LEB128
|
#ifdef HAVE_AS_LEB128
|
fprintf (asm_out_file, "\t.sleb128 " HOST_WIDE_INT_PRINT_DEC, value);
|
fprintf (asm_out_file, "\t.sleb128 " HOST_WIDE_INT_PRINT_DEC, value);
|
|
|
if (flag_debug_asm && comment)
|
if (flag_debug_asm && comment)
|
{
|
{
|
fprintf (asm_out_file, "\t%s ", ASM_COMMENT_START);
|
fprintf (asm_out_file, "\t%s ", ASM_COMMENT_START);
|
vfprintf (asm_out_file, comment, ap);
|
vfprintf (asm_out_file, comment, ap);
|
}
|
}
|
#else
|
#else
|
{
|
{
|
HOST_WIDE_INT work = value;
|
HOST_WIDE_INT work = value;
|
int more, byte;
|
int more, byte;
|
const char *byte_op = targetm.asm_out.byte_op;
|
const char *byte_op = targetm.asm_out.byte_op;
|
|
|
if (byte_op)
|
if (byte_op)
|
fputs (byte_op, asm_out_file);
|
fputs (byte_op, asm_out_file);
|
do
|
do
|
{
|
{
|
byte = (work & 0x7f);
|
byte = (work & 0x7f);
|
/* arithmetic shift */
|
/* arithmetic shift */
|
work >>= 7;
|
work >>= 7;
|
more = !((work == 0 && (byte & 0x40) == 0)
|
more = !((work == 0 && (byte & 0x40) == 0)
|
|| (work == -1 && (byte & 0x40) != 0));
|
|| (work == -1 && (byte & 0x40) != 0));
|
if (more)
|
if (more)
|
byte |= 0x80;
|
byte |= 0x80;
|
|
|
if (byte_op)
|
if (byte_op)
|
{
|
{
|
fprintf (asm_out_file, "0x%x", byte);
|
fprintf (asm_out_file, "0x%x", byte);
|
if (more)
|
if (more)
|
fputc (',', asm_out_file);
|
fputc (',', asm_out_file);
|
}
|
}
|
else
|
else
|
assemble_integer (GEN_INT (byte), 1, BITS_PER_UNIT, 1);
|
assemble_integer (GEN_INT (byte), 1, BITS_PER_UNIT, 1);
|
}
|
}
|
while (more);
|
while (more);
|
|
|
if (flag_debug_asm)
|
if (flag_debug_asm)
|
{
|
{
|
fprintf (asm_out_file, "\t%s sleb128 " HOST_WIDE_INT_PRINT_DEC,
|
fprintf (asm_out_file, "\t%s sleb128 " HOST_WIDE_INT_PRINT_DEC,
|
ASM_COMMENT_START, value);
|
ASM_COMMENT_START, value);
|
if (comment)
|
if (comment)
|
{
|
{
|
fputs ("; ", asm_out_file);
|
fputs ("; ", asm_out_file);
|
vfprintf (asm_out_file, comment, ap);
|
vfprintf (asm_out_file, comment, ap);
|
}
|
}
|
}
|
}
|
}
|
}
|
#endif
|
#endif
|
fputc ('\n', asm_out_file);
|
fputc ('\n', asm_out_file);
|
|
|
va_end (ap);
|
va_end (ap);
|
}
|
}
|
|
|
void
|
void
|
dw2_asm_output_delta_uleb128 (const char *lab1 ATTRIBUTE_UNUSED,
|
dw2_asm_output_delta_uleb128 (const char *lab1 ATTRIBUTE_UNUSED,
|
const char *lab2 ATTRIBUTE_UNUSED,
|
const char *lab2 ATTRIBUTE_UNUSED,
|
const char *comment, ...)
|
const char *comment, ...)
|
{
|
{
|
va_list ap;
|
va_list ap;
|
|
|
va_start (ap, comment);
|
va_start (ap, comment);
|
|
|
#ifdef HAVE_AS_LEB128
|
#ifdef HAVE_AS_LEB128
|
fputs ("\t.uleb128 ", asm_out_file);
|
fputs ("\t.uleb128 ", asm_out_file);
|
assemble_name (asm_out_file, lab1);
|
assemble_name (asm_out_file, lab1);
|
fputc ('-', asm_out_file);
|
fputc ('-', asm_out_file);
|
assemble_name (asm_out_file, lab2);
|
assemble_name (asm_out_file, lab2);
|
#else
|
#else
|
gcc_unreachable ();
|
gcc_unreachable ();
|
#endif
|
#endif
|
|
|
if (flag_debug_asm && comment)
|
if (flag_debug_asm && comment)
|
{
|
{
|
fprintf (asm_out_file, "\t%s ", ASM_COMMENT_START);
|
fprintf (asm_out_file, "\t%s ", ASM_COMMENT_START);
|
vfprintf (asm_out_file, comment, ap);
|
vfprintf (asm_out_file, comment, ap);
|
}
|
}
|
fputc ('\n', asm_out_file);
|
fputc ('\n', asm_out_file);
|
|
|
va_end (ap);
|
va_end (ap);
|
}
|
}
|
|
|
#if 0
|
#if 0
|
|
|
void
|
void
|
dw2_asm_output_delta_sleb128 (const char *lab1 ATTRIBUTE_UNUSED,
|
dw2_asm_output_delta_sleb128 (const char *lab1 ATTRIBUTE_UNUSED,
|
const char *lab2 ATTRIBUTE_UNUSED,
|
const char *lab2 ATTRIBUTE_UNUSED,
|
const char *comment, ...)
|
const char *comment, ...)
|
{
|
{
|
va_list ap;
|
va_list ap;
|
|
|
va_start (ap, comment);
|
va_start (ap, comment);
|
|
|
#ifdef HAVE_AS_LEB128
|
#ifdef HAVE_AS_LEB128
|
fputs ("\t.sleb128 ", asm_out_file);
|
fputs ("\t.sleb128 ", asm_out_file);
|
assemble_name (asm_out_file, lab1);
|
assemble_name (asm_out_file, lab1);
|
fputc ('-', asm_out_file);
|
fputc ('-', asm_out_file);
|
assemble_name (asm_out_file, lab2);
|
assemble_name (asm_out_file, lab2);
|
#else
|
#else
|
gcc_unreachable ();
|
gcc_unreachable ();
|
#endif
|
#endif
|
|
|
if (flag_debug_asm && comment)
|
if (flag_debug_asm && comment)
|
{
|
{
|
fprintf (asm_out_file, "\t%s ", ASM_COMMENT_START);
|
fprintf (asm_out_file, "\t%s ", ASM_COMMENT_START);
|
vfprintf (asm_out_file, comment, ap);
|
vfprintf (asm_out_file, comment, ap);
|
}
|
}
|
fputc ('\n', asm_out_file);
|
fputc ('\n', asm_out_file);
|
|
|
va_end (ap);
|
va_end (ap);
|
}
|
}
|
#endif /* 0 */
|
#endif /* 0 */
|
|
|
static rtx dw2_force_const_mem (rtx, bool);
|
static rtx dw2_force_const_mem (rtx, bool);
|
static int dw2_output_indirect_constant_1 (splay_tree_node, void *);
|
static int dw2_output_indirect_constant_1 (splay_tree_node, void *);
|
|
|
static GTY((param1_is (char *), param2_is (tree))) splay_tree indirect_pool;
|
static GTY((param1_is (char *), param2_is (tree))) splay_tree indirect_pool;
|
|
|
static GTY(()) int dw2_const_labelno;
|
static GTY(()) int dw2_const_labelno;
|
|
|
#if defined(HAVE_GAS_HIDDEN) && defined(SUPPORTS_ONE_ONLY)
|
#if defined(HAVE_GAS_HIDDEN) && defined(SUPPORTS_ONE_ONLY)
|
# define USE_LINKONCE_INDIRECT 1
|
# define USE_LINKONCE_INDIRECT 1
|
#else
|
#else
|
# define USE_LINKONCE_INDIRECT 0
|
# define USE_LINKONCE_INDIRECT 0
|
#endif
|
#endif
|
|
|
/* Put X, a SYMBOL_REF, in memory. Return a SYMBOL_REF to the allocated
|
/* Put X, a SYMBOL_REF, in memory. Return a SYMBOL_REF to the allocated
|
memory. Differs from force_const_mem in that a single pool is used for
|
memory. Differs from force_const_mem in that a single pool is used for
|
the entire unit of translation, and the memory is not guaranteed to be
|
the entire unit of translation, and the memory is not guaranteed to be
|
"near" the function in any interesting sense. PUBLIC controls whether
|
"near" the function in any interesting sense. PUBLIC controls whether
|
the symbol can be shared across the entire application (or DSO). */
|
the symbol can be shared across the entire application (or DSO). */
|
|
|
static rtx
|
static rtx
|
dw2_force_const_mem (rtx x, bool public)
|
dw2_force_const_mem (rtx x, bool public)
|
{
|
{
|
splay_tree_node node;
|
splay_tree_node node;
|
const char *str;
|
const char *str;
|
tree decl;
|
tree decl;
|
|
|
if (! indirect_pool)
|
if (! indirect_pool)
|
indirect_pool = splay_tree_new_ggc (splay_tree_compare_pointers);
|
indirect_pool = splay_tree_new_ggc (splay_tree_compare_pointers);
|
|
|
gcc_assert (GET_CODE (x) == SYMBOL_REF);
|
gcc_assert (GET_CODE (x) == SYMBOL_REF);
|
|
|
str = targetm.strip_name_encoding (XSTR (x, 0));
|
str = targetm.strip_name_encoding (XSTR (x, 0));
|
node = splay_tree_lookup (indirect_pool, (splay_tree_key) str);
|
node = splay_tree_lookup (indirect_pool, (splay_tree_key) str);
|
if (node)
|
if (node)
|
decl = (tree) node->value;
|
decl = (tree) node->value;
|
else
|
else
|
{
|
{
|
tree id;
|
tree id;
|
|
|
if (public && USE_LINKONCE_INDIRECT)
|
if (public && USE_LINKONCE_INDIRECT)
|
{
|
{
|
char *ref_name = alloca (strlen (str) + sizeof "DW.ref.");
|
char *ref_name = alloca (strlen (str) + sizeof "DW.ref.");
|
|
|
sprintf (ref_name, "DW.ref.%s", str);
|
sprintf (ref_name, "DW.ref.%s", str);
|
id = get_identifier (ref_name);
|
id = get_identifier (ref_name);
|
decl = build_decl (VAR_DECL, id, ptr_type_node);
|
decl = build_decl (VAR_DECL, id, ptr_type_node);
|
DECL_ARTIFICIAL (decl) = 1;
|
DECL_ARTIFICIAL (decl) = 1;
|
DECL_IGNORED_P (decl) = 1;
|
DECL_IGNORED_P (decl) = 1;
|
TREE_PUBLIC (decl) = 1;
|
TREE_PUBLIC (decl) = 1;
|
DECL_INITIAL (decl) = decl;
|
DECL_INITIAL (decl) = decl;
|
make_decl_one_only (decl);
|
make_decl_one_only (decl);
|
}
|
}
|
else
|
else
|
{
|
{
|
char label[32];
|
char label[32];
|
|
|
ASM_GENERATE_INTERNAL_LABEL (label, "LDFCM", dw2_const_labelno);
|
ASM_GENERATE_INTERNAL_LABEL (label, "LDFCM", dw2_const_labelno);
|
++dw2_const_labelno;
|
++dw2_const_labelno;
|
id = get_identifier (label);
|
id = get_identifier (label);
|
decl = build_decl (VAR_DECL, id, ptr_type_node);
|
decl = build_decl (VAR_DECL, id, ptr_type_node);
|
DECL_ARTIFICIAL (decl) = 1;
|
DECL_ARTIFICIAL (decl) = 1;
|
DECL_IGNORED_P (decl) = 1;
|
DECL_IGNORED_P (decl) = 1;
|
TREE_STATIC (decl) = 1;
|
TREE_STATIC (decl) = 1;
|
DECL_INITIAL (decl) = decl;
|
DECL_INITIAL (decl) = decl;
|
}
|
}
|
|
|
id = maybe_get_identifier (str);
|
id = maybe_get_identifier (str);
|
if (id)
|
if (id)
|
TREE_SYMBOL_REFERENCED (id) = 1;
|
TREE_SYMBOL_REFERENCED (id) = 1;
|
|
|
splay_tree_insert (indirect_pool, (splay_tree_key) str,
|
splay_tree_insert (indirect_pool, (splay_tree_key) str,
|
(splay_tree_value) decl);
|
(splay_tree_value) decl);
|
}
|
}
|
|
|
return XEXP (DECL_RTL (decl), 0);
|
return XEXP (DECL_RTL (decl), 0);
|
}
|
}
|
|
|
/* A helper function for dw2_output_indirect_constants called through
|
/* A helper function for dw2_output_indirect_constants called through
|
splay_tree_foreach. Emit one queued constant to memory. */
|
splay_tree_foreach. Emit one queued constant to memory. */
|
|
|
static int
|
static int
|
dw2_output_indirect_constant_1 (splay_tree_node node,
|
dw2_output_indirect_constant_1 (splay_tree_node node,
|
void *data ATTRIBUTE_UNUSED)
|
void *data ATTRIBUTE_UNUSED)
|
{
|
{
|
const char *sym;
|
const char *sym;
|
rtx sym_ref;
|
rtx sym_ref;
|
tree decl;
|
tree decl;
|
|
|
sym = (const char *) node->key;
|
sym = (const char *) node->key;
|
decl = (tree) node->value;
|
decl = (tree) node->value;
|
sym_ref = gen_rtx_SYMBOL_REF (Pmode, sym);
|
sym_ref = gen_rtx_SYMBOL_REF (Pmode, sym);
|
if (TREE_PUBLIC (decl) && USE_LINKONCE_INDIRECT)
|
if (TREE_PUBLIC (decl) && USE_LINKONCE_INDIRECT)
|
fprintf (asm_out_file, "\t.hidden %sDW.ref.%s\n", user_label_prefix, sym);
|
fprintf (asm_out_file, "\t.hidden %sDW.ref.%s\n", user_label_prefix, sym);
|
assemble_variable (decl, 1, 1, 1);
|
assemble_variable (decl, 1, 1, 1);
|
assemble_integer (sym_ref, POINTER_SIZE / BITS_PER_UNIT, POINTER_SIZE, 1);
|
assemble_integer (sym_ref, POINTER_SIZE / BITS_PER_UNIT, POINTER_SIZE, 1);
|
|
|
return 0;
|
return 0;
|
}
|
}
|
|
|
/* Emit the constants queued through dw2_force_const_mem. */
|
/* Emit the constants queued through dw2_force_const_mem. */
|
|
|
void
|
void
|
dw2_output_indirect_constants (void)
|
dw2_output_indirect_constants (void)
|
{
|
{
|
if (indirect_pool)
|
if (indirect_pool)
|
splay_tree_foreach (indirect_pool, dw2_output_indirect_constant_1, NULL);
|
splay_tree_foreach (indirect_pool, dw2_output_indirect_constant_1, NULL);
|
}
|
}
|
|
|
/* Like dw2_asm_output_addr_rtx, but encode the pointer as directed.
|
/* Like dw2_asm_output_addr_rtx, but encode the pointer as directed.
|
If PUBLIC is set and the encoding is DW_EH_PE_indirect, the indirect
|
If PUBLIC is set and the encoding is DW_EH_PE_indirect, the indirect
|
reference is shared across the entire application (or DSO). */
|
reference is shared across the entire application (or DSO). */
|
|
|
void
|
void
|
dw2_asm_output_encoded_addr_rtx (int encoding, rtx addr, bool public,
|
dw2_asm_output_encoded_addr_rtx (int encoding, rtx addr, bool public,
|
const char *comment, ...)
|
const char *comment, ...)
|
{
|
{
|
int size;
|
int size;
|
va_list ap;
|
va_list ap;
|
|
|
va_start (ap, comment);
|
va_start (ap, comment);
|
|
|
size = size_of_encoded_value (encoding);
|
size = size_of_encoded_value (encoding);
|
|
|
if (encoding == DW_EH_PE_aligned)
|
if (encoding == DW_EH_PE_aligned)
|
{
|
{
|
assemble_align (POINTER_SIZE);
|
assemble_align (POINTER_SIZE);
|
assemble_integer (addr, size, POINTER_SIZE, 1);
|
assemble_integer (addr, size, POINTER_SIZE, 1);
|
return;
|
return;
|
}
|
}
|
|
|
/* NULL is _always_ represented as a plain zero, as is 1 for Ada's
|
/* NULL is _always_ represented as a plain zero, as is 1 for Ada's
|
"all others". */
|
"all others". */
|
if (addr == const0_rtx || addr == const1_rtx)
|
if (addr == const0_rtx || addr == const1_rtx)
|
assemble_integer (addr, size, BITS_PER_UNIT, 1);
|
assemble_integer (addr, size, BITS_PER_UNIT, 1);
|
else
|
else
|
{
|
{
|
restart:
|
restart:
|
/* Allow the target first crack at emitting this. Some of the
|
/* Allow the target first crack at emitting this. Some of the
|
special relocations require special directives instead of
|
special relocations require special directives instead of
|
just ".4byte" or whatever. */
|
just ".4byte" or whatever. */
|
#ifdef ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX
|
#ifdef ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX
|
ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX (asm_out_file, encoding, size,
|
ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX (asm_out_file, encoding, size,
|
addr, done);
|
addr, done);
|
#endif
|
#endif
|
|
|
/* Indirection is used to get dynamic relocations out of a
|
/* Indirection is used to get dynamic relocations out of a
|
read-only section. */
|
read-only section. */
|
if (encoding & DW_EH_PE_indirect)
|
if (encoding & DW_EH_PE_indirect)
|
{
|
{
|
/* It is very tempting to use force_const_mem so that we share data
|
/* It is very tempting to use force_const_mem so that we share data
|
with the normal constant pool. However, we've already emitted
|
with the normal constant pool. However, we've already emitted
|
the constant pool for this function. Moreover, we'd like to
|
the constant pool for this function. Moreover, we'd like to
|
share these constants across the entire unit of translation and
|
share these constants across the entire unit of translation and
|
even, if possible, across the entire application (or DSO). */
|
even, if possible, across the entire application (or DSO). */
|
addr = dw2_force_const_mem (addr, public);
|
addr = dw2_force_const_mem (addr, public);
|
encoding &= ~DW_EH_PE_indirect;
|
encoding &= ~DW_EH_PE_indirect;
|
goto restart;
|
goto restart;
|
}
|
}
|
|
|
switch (encoding & 0xF0)
|
switch (encoding & 0xF0)
|
{
|
{
|
case DW_EH_PE_absptr:
|
case DW_EH_PE_absptr:
|
dw2_assemble_integer (size, addr);
|
dw2_assemble_integer (size, addr);
|
break;
|
break;
|
|
|
case DW_EH_PE_pcrel:
|
case DW_EH_PE_pcrel:
|
gcc_assert (GET_CODE (addr) == SYMBOL_REF);
|
gcc_assert (GET_CODE (addr) == SYMBOL_REF);
|
#ifdef ASM_OUTPUT_DWARF_PCREL
|
#ifdef ASM_OUTPUT_DWARF_PCREL
|
ASM_OUTPUT_DWARF_PCREL (asm_out_file, size, XSTR (addr, 0));
|
ASM_OUTPUT_DWARF_PCREL (asm_out_file, size, XSTR (addr, 0));
|
#else
|
#else
|
dw2_assemble_integer (size, gen_rtx_MINUS (Pmode, addr, pc_rtx));
|
dw2_assemble_integer (size, gen_rtx_MINUS (Pmode, addr, pc_rtx));
|
#endif
|
#endif
|
break;
|
break;
|
|
|
default:
|
default:
|
/* Other encodings should have been handled by
|
/* Other encodings should have been handled by
|
ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX. */
|
ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX. */
|
gcc_unreachable ();
|
gcc_unreachable ();
|
}
|
}
|
|
|
#ifdef ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX
|
#ifdef ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX
|
done:;
|
done:;
|
#endif
|
#endif
|
}
|
}
|
|
|
if (flag_debug_asm && comment)
|
if (flag_debug_asm && comment)
|
{
|
{
|
fprintf (asm_out_file, "\t%s ", ASM_COMMENT_START);
|
fprintf (asm_out_file, "\t%s ", ASM_COMMENT_START);
|
vfprintf (asm_out_file, comment, ap);
|
vfprintf (asm_out_file, comment, ap);
|
}
|
}
|
fputc ('\n', asm_out_file);
|
fputc ('\n', asm_out_file);
|
|
|
va_end (ap);
|
va_end (ap);
|
}
|
}
|
|
|
#include "gt-dwarf2asm.h"
|
#include "gt-dwarf2asm.h"
|
|
|
