/* Dwarf2 assembler output helper routines.
- Copyright (C) 2001 Free Software Foundation, Inc.
+ Copyright (C) 2001, 2002, 2003, 2004 Free Software Foundation, Inc.
This file is part of GCC.
#include "config.h"
#include "system.h"
+#include "coretypes.h"
+#include "tm.h"
#include "flags.h"
#include "tree.h"
#include "rtl.h"
to print a newline, since the caller may want to add a comment. */
void
-dw2_assemble_integer (size, x)
- int size;
- rtx x;
+dw2_assemble_integer (int size, rtx x)
{
const char *op = integer_asm_op (size, FALSE);
else
assemble_integer (x, size, BITS_PER_UNIT, 1);
}
-
+
/* Output an immediate constant in a given size. */
void
-dw2_asm_output_data VPARAMS ((int size, unsigned HOST_WIDE_INT value,
- const char *comment, ...))
+dw2_asm_output_data (int size, unsigned HOST_WIDE_INT value,
+ const char *comment, ...)
{
- VA_OPEN (ap, comment);
- VA_FIXEDARG (ap, int, size);
- VA_FIXEDARG (ap, unsigned HOST_WIDE_INT, value);
- VA_FIXEDARG (ap, const char *, comment);
+ va_list ap;
+
+ va_start (ap, comment);
if (size * 8 < HOST_BITS_PER_WIDE_INT)
- value &= ~(~(unsigned HOST_WIDE_INT)0 << (size * 8));
+ value &= ~(~(unsigned HOST_WIDE_INT) 0 << (size * 8));
dw2_assemble_integer (size, GEN_INT (value));
}
fputc ('\n', asm_out_file);
- VA_CLOSE (ap);
+ va_end (ap);
}
/* Output the difference between two symbols in a given size. */
symbol must appear after both symbols are defined. */
void
-dw2_asm_output_delta VPARAMS ((int size, const char *lab1, const char *lab2,
- const char *comment, ...))
+dw2_asm_output_delta (int size, const char *lab1, const char *lab2,
+ const char *comment, ...)
{
- VA_OPEN (ap, comment);
- VA_FIXEDARG (ap, int, size);
- VA_FIXEDARG (ap, const char *, lab1);
- VA_FIXEDARG (ap, const char *, lab2);
- VA_FIXEDARG (ap, const char *, comment);
+ va_list ap;
+ va_start (ap, comment);
+
+#ifdef ASM_OUTPUT_DWARF_DELTA
+ ASM_OUTPUT_DWARF_DELTA (asm_out_file, size, lab1, lab2);
+#else
dw2_assemble_integer (size,
gen_rtx_MINUS (Pmode,
gen_rtx_SYMBOL_REF (Pmode, lab1),
gen_rtx_SYMBOL_REF (Pmode, lab2)));
-
+#endif
if (flag_debug_asm && comment)
{
fprintf (asm_out_file, "\t%s ", ASM_COMMENT_START);
}
fputc ('\n', asm_out_file);
- VA_CLOSE (ap);
+ va_end (ap);
}
/* Output a section-relative reference to a label. In general this
Some targets have special relocations for this that we must use. */
void
-dw2_asm_output_offset VPARAMS ((int size, const char *label,
- const char *comment, ...))
+dw2_asm_output_offset (int size, const char *label,
+ const char *comment, ...)
{
- VA_OPEN (ap, comment);
- VA_FIXEDARG (ap, int, size);
- VA_FIXEDARG (ap, const char *, label);
- VA_FIXEDARG (ap, const char *, comment);
+ va_list ap;
+
+ va_start (ap, comment);
#ifdef ASM_OUTPUT_DWARF_OFFSET
ASM_OUTPUT_DWARF_OFFSET (asm_out_file, size, label);
}
fputc ('\n', asm_out_file);
- VA_CLOSE (ap);
+ va_end (ap);
}
/* Output a self-relative reference to a label, possibly in a
different section or object file. */
void
-dw2_asm_output_pcrel VPARAMS ((int size ATTRIBUTE_UNUSED,
- const char *label ATTRIBUTE_UNUSED,
- const char *comment, ...))
+dw2_asm_output_pcrel (int size ATTRIBUTE_UNUSED,
+ const char *label ATTRIBUTE_UNUSED,
+ const char *comment, ...)
{
- VA_OPEN (ap, comment);
- VA_FIXEDARG (ap, int, size);
- VA_FIXEDARG (ap, const char *, label);
- VA_FIXEDARG (ap, const char *, comment);
+ va_list ap;
+
+ va_start (ap, comment);
#ifdef ASM_OUTPUT_DWARF_PCREL
ASM_OUTPUT_DWARF_PCREL (asm_out_file, size, label);
}
fputc ('\n', asm_out_file);
- VA_CLOSE (ap);
+ va_end (ap);
}
/* Output an absolute reference to a label. */
void
-dw2_asm_output_addr VPARAMS ((int size, const char *label,
- const char *comment, ...))
+dw2_asm_output_addr (int size, const char *label,
+ const char *comment, ...)
{
- VA_OPEN (ap, comment);
- VA_FIXEDARG (ap, int, size);
- VA_FIXEDARG (ap, const char *, label);
- VA_FIXEDARG (ap, const char *, comment);
+ va_list ap;
+
+ va_start (ap, comment);
dw2_assemble_integer (size, gen_rtx_SYMBOL_REF (Pmode, label));
}
fputc ('\n', asm_out_file);
- VA_CLOSE (ap);
+ va_end (ap);
}
/* Similar, but use an RTX expression instead of a text label. */
void
-dw2_asm_output_addr_rtx VPARAMS ((int size, rtx addr,
- const char *comment, ...))
+dw2_asm_output_addr_rtx (int size, rtx addr,
+ const char *comment, ...)
{
- VA_OPEN (ap, comment);
- VA_FIXEDARG (ap, int, size);
- VA_FIXEDARG (ap, rtx, addr);
- VA_FIXEDARG (ap, const char *, comment);
+ va_list ap;
+
+ va_start (ap, comment);
dw2_assemble_integer (size, addr);
}
fputc ('\n', asm_out_file);
- VA_CLOSE (ap);
+ va_end (ap);
}
+/* Output the first ORIG_LEN characters of STR as a string.
+ If ORIG_LEN is equal to -1, ignore this parameter and output
+ the entire STR instead.
+ If COMMENT is not NULL and comments in the debug information
+ have been requested by the user, append the given COMMENT
+ to the generated output. */
+
void
-dw2_asm_output_nstring VPARAMS ((const char *str, size_t orig_len,
- const char *comment, ...))
+dw2_asm_output_nstring (const char *str, size_t orig_len,
+ const char *comment, ...)
{
size_t i, len;
+ va_list ap;
- VA_OPEN (ap, comment);
- VA_FIXEDARG (ap, const char *, str);
- VA_FIXEDARG (ap, size_t, orig_len);
- VA_FIXEDARG (ap, const char *, comment);
+ va_start (ap, comment);
len = orig_len;
assemble_integer (const0_rtx, 1, BITS_PER_UNIT, 1);
}
- VA_CLOSE (ap);
+ va_end (ap);
}
\f
/* Return the size of an unsigned LEB128 quantity. */
int
-size_of_uleb128 (value)
- unsigned HOST_WIDE_INT value;
+size_of_uleb128 (unsigned HOST_WIDE_INT value)
{
- int size = 0, byte;
+ int size = 0;
do
{
- byte = (value & 0x7f);
value >>= 7;
size += 1;
}
/* Return the size of a signed LEB128 quantity. */
int
-size_of_sleb128 (value)
- HOST_WIDE_INT value;
+size_of_sleb128 (HOST_WIDE_INT value)
{
int size = 0, byte;
}
/* 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. */
int
-size_of_encoded_value (encoding)
- int encoding;
+size_of_encoded_value (int encoding)
{
if (encoding == DW_EH_PE_omit)
return 0;
return 4;
case DW_EH_PE_udata8:
return 8;
+ default:
+ gcc_unreachable ();
}
- abort ();
}
/* Yield a name for a given pointer encoding. */
const char *
-eh_data_format_name (format)
- int format;
+eh_data_format_name (int format)
{
#if HAVE_DESIGNATED_INITIALIZERS
#define S(p, v) [p] = v,
#if HAVE_DESIGNATED_INITIALIZERS
};
- if (format < 0 || format > 0xff || format_names[format] == NULL)
- abort ();
+ gcc_assert (format >= 0 && format < 0x100 && format_names[format]);
+
return format_names[format];
#else
}
- abort ();
+ gcc_unreachable ();
#endif
}
/* Output an unsigned LEB128 quantity. */
void
-dw2_asm_output_data_uleb128 VPARAMS ((unsigned HOST_WIDE_INT value,
- const char *comment, ...))
+dw2_asm_output_data_uleb128 (unsigned HOST_WIDE_INT value,
+ const char *comment, ...)
{
- VA_OPEN (ap, comment);
- VA_FIXEDARG (ap, unsigned HOST_WIDE_INT, value);
- VA_FIXEDARG (ap, const char *, comment);
+ va_list ap;
+
+ va_start (ap, comment);
#ifdef HAVE_AS_LEB128
- fputs ("\t.uleb128 ", asm_out_file);
- fprintf (asm_out_file, 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)
{
- fprintf (asm_out_file, "\t%s uleb128 ", ASM_COMMENT_START);
- fprintf (asm_out_file, HOST_WIDE_INT_PRINT_HEX, value);
+ fprintf (asm_out_file, "\t%s uleb128 " HOST_WIDE_INT_PRINT_HEX,
+ ASM_COMMENT_START, value);
if (comment)
{
fputs ("; ", asm_out_file);
#endif
fputc ('\n', asm_out_file);
- VA_CLOSE (ap);
+ va_end (ap);
}
-/* Output an signed LEB128 quantity. */
+/* Output a signed LEB128 quantity. */
void
-dw2_asm_output_data_sleb128 VPARAMS ((HOST_WIDE_INT value,
- const char *comment, ...))
+dw2_asm_output_data_sleb128 (HOST_WIDE_INT value,
+ const char *comment, ...)
{
- VA_OPEN (ap, comment);
- VA_FIXEDARG (ap, HOST_WIDE_INT, value);
- VA_FIXEDARG (ap, const char *, comment);
+ va_list ap;
+
+ va_start (ap, comment);
#ifdef HAVE_AS_LEB128
- fputs ("\t.sleb128 ", asm_out_file);
- fprintf (asm_out_file, 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)
{
- fprintf (asm_out_file, "\t%s sleb128 ", ASM_COMMENT_START);
- fprintf (asm_out_file, HOST_WIDE_INT_PRINT_DEC, value);
+ fprintf (asm_out_file, "\t%s sleb128 " HOST_WIDE_INT_PRINT_DEC,
+ ASM_COMMENT_START, value);
if (comment)
{
fputs ("; ", asm_out_file);
#endif
fputc ('\n', asm_out_file);
- VA_CLOSE (ap);
+ va_end (ap);
}
void
-dw2_asm_output_delta_uleb128 VPARAMS ((const char *lab1 ATTRIBUTE_UNUSED,
- const char *lab2 ATTRIBUTE_UNUSED,
- const char *comment, ...))
+dw2_asm_output_delta_uleb128 (const char *lab1 ATTRIBUTE_UNUSED,
+ const char *lab2 ATTRIBUTE_UNUSED,
+ const char *comment, ...)
{
- VA_OPEN (ap, comment);
- VA_FIXEDARG (ap, const char *, lab1);
- VA_FIXEDARG (ap, const char *, lab2);
- VA_FIXEDARG (ap, const char *, comment);
+ va_list ap;
+
+ va_start (ap, comment);
#ifdef HAVE_AS_LEB128
fputs ("\t.uleb128 ", asm_out_file);
fputc ('-', asm_out_file);
assemble_name (asm_out_file, lab2);
#else
- abort ();
+ gcc_unreachable ();
#endif
if (flag_debug_asm && comment)
}
fputc ('\n', asm_out_file);
- VA_CLOSE (ap);
+ va_end (ap);
}
void
-dw2_asm_output_delta_sleb128 VPARAMS ((const char *lab1 ATTRIBUTE_UNUSED,
- const char *lab2 ATTRIBUTE_UNUSED,
- const char *comment, ...))
+dw2_asm_output_delta_sleb128 (const char *lab1 ATTRIBUTE_UNUSED,
+ const char *lab2 ATTRIBUTE_UNUSED,
+ const char *comment, ...)
{
- VA_OPEN (ap, comment);
- VA_FIXEDARG (ap, const char *, lab1);
- VA_FIXEDARG (ap, const char *, lab2);
- VA_FIXEDARG (ap, const char *, comment);
+ va_list ap;
+
+ va_start (ap, comment);
#ifdef HAVE_AS_LEB128
fputs ("\t.sleb128 ", asm_out_file);
fputc ('-', asm_out_file);
assemble_name (asm_out_file, lab2);
#else
- abort ();
+ gcc_unreachable ();
#endif
if (flag_debug_asm && comment)
}
fputc ('\n', asm_out_file);
- VA_CLOSE (ap);
+ va_end (ap);
}
\f
-static int mark_indirect_pool_entry PARAMS ((splay_tree_node, void *));
-static void mark_indirect_pool PARAMS ((PTR arg));
-static rtx dw2_force_const_mem PARAMS ((rtx));
-static int dw2_output_indirect_constant_1 PARAMS ((splay_tree_node, void *));
+static rtx dw2_force_const_mem (rtx);
+static int dw2_output_indirect_constant_1 (splay_tree_node, void *);
-static splay_tree indirect_pool;
+static GTY((param1_is (char *), param2_is (tree))) splay_tree indirect_pool;
+
+static GTY(()) int dw2_const_labelno;
#if defined(HAVE_GAS_HIDDEN) && defined(SUPPORTS_ONE_ONLY)
# define USE_LINKONCE_INDIRECT 1
# define USE_LINKONCE_INDIRECT 0
#endif
-/* Mark all indirect constants for GC. */
-
-static int
-mark_indirect_pool_entry (node, data)
- splay_tree_node node;
- void* data ATTRIBUTE_UNUSED;
-{
- ggc_mark_nonnull_tree ((tree) node->value);
- return 0;
-}
-
-/* Mark all indirect constants for GC. */
-
-static void
-mark_indirect_pool (arg)
- PTR arg ATTRIBUTE_UNUSED;
-{
- splay_tree_foreach (indirect_pool, mark_indirect_pool_entry, NULL);
-}
-
/* 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
the entire unit of translation, and the memory is not guaranteed to be
"near" the function in any interesting sense. */
static rtx
-dw2_force_const_mem (x)
- rtx x;
+dw2_force_const_mem (rtx x)
{
splay_tree_node node;
const char *str;
tree decl;
if (! indirect_pool)
- {
- indirect_pool = splay_tree_new (splay_tree_compare_pointers, NULL, NULL);
- ggc_add_root (&indirect_pool, 1, sizeof indirect_pool, mark_indirect_pool);
- }
+ indirect_pool = splay_tree_new_ggc (splay_tree_compare_pointers);
- if (GET_CODE (x) != SYMBOL_REF)
- abort ();
+ gcc_assert (GET_CODE (x) == SYMBOL_REF);
- STRIP_NAME_ENCODING (str, XSTR (x, 0));
+ str = targetm.strip_name_encoding (XSTR (x, 0));
node = splay_tree_lookup (indirect_pool, (splay_tree_key) str);
if (node)
decl = (tree) node->value;
}
else
{
- extern int const_labelno;
char label[32];
- ASM_GENERATE_INTERNAL_LABEL (label, "LC", const_labelno);
- ++const_labelno;
+ ASM_GENERATE_INTERNAL_LABEL (label, "LDFCM", dw2_const_labelno);
+ ++dw2_const_labelno;
id = get_identifier (label);
decl = build_decl (VAR_DECL, id, ptr_type_node);
DECL_ARTIFICIAL (decl) = 1;
splay_tree_foreach. Emit one queued constant to memory. */
static int
-dw2_output_indirect_constant_1 (node, data)
- splay_tree_node node;
- void* data ATTRIBUTE_UNUSED;
+dw2_output_indirect_constant_1 (splay_tree_node node,
+ void *data ATTRIBUTE_UNUSED)
{
const char *sym;
rtx sym_ref;
sym = (const char *) node->key;
sym_ref = gen_rtx_SYMBOL_REF (Pmode, sym);
if (USE_LINKONCE_INDIRECT)
- fprintf (asm_out_file, "\t.hidden DW.ref.%s\n", sym);
+ fprintf (asm_out_file, "\t.hidden %sDW.ref.%s\n", user_label_prefix, sym);
assemble_variable ((tree) node->value, 1, 1, 1);
assemble_integer (sym_ref, POINTER_SIZE / BITS_PER_UNIT, POINTER_SIZE, 1);
/* Emit the constants queued through dw2_force_const_mem. */
void
-dw2_output_indirect_constants ()
+dw2_output_indirect_constants (void)
{
if (indirect_pool)
splay_tree_foreach (indirect_pool, dw2_output_indirect_constant_1, NULL);
/* Like dw2_asm_output_addr_rtx, but encode the pointer as directed. */
void
-dw2_asm_output_encoded_addr_rtx VPARAMS ((int encoding,
- rtx addr,
- const char *comment, ...))
+dw2_asm_output_encoded_addr_rtx (int encoding, rtx addr,
+ const char *comment, ...)
{
int size;
+ va_list ap;
- VA_OPEN (ap, comment);
- VA_FIXEDARG (ap, int, encoding);
- VA_FIXEDARG (ap, rtx, addr);
- VA_FIXEDARG (ap, const char *, comment);
+ va_start (ap, comment);
size = size_of_encoded_value (encoding);
{
restart:
/* 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. */
#ifdef ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX
ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX (asm_out_file, encoding, size,
break;
case DW_EH_PE_pcrel:
- if (GET_CODE (addr) != SYMBOL_REF)
- abort ();
+ gcc_assert (GET_CODE (addr) == SYMBOL_REF);
#ifdef ASM_OUTPUT_DWARF_PCREL
ASM_OUTPUT_DWARF_PCREL (asm_out_file, size, XSTR (addr, 0));
#else
break;
default:
- /* Other encodings should have been handled by
+ /* Other encodings should have been handled by
ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX. */
- abort ();
+ gcc_unreachable ();
}
#ifdef ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX
}
fputc ('\n', asm_out_file);
- VA_CLOSE (ap);
+ va_end (ap);
}
+
+#include "gt-dwarf2asm.h"
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