#include "coverage.h"
#include "df.h"
#include "vecprim.h"
+#include "ggc.h"
#ifdef XCOFF_DEBUGGING_INFO
#include "xcoffout.h" /* Needed for external data
/* Is the given character a logical line separator for the assembler? */
#ifndef IS_ASM_LOGICAL_LINE_SEPARATOR
-#define IS_ASM_LOGICAL_LINE_SEPARATOR(C) ((C) == ';')
+#define IS_ASM_LOGICAL_LINE_SEPARATOR(C, STR) ((C) == ';')
#endif
#ifndef JUMP_TABLES_IN_TEXT_SECTION
/* Filename of last NOTE. */
static const char *last_filename;
+/* Override filename and line number. */
+static const char *override_filename;
+static int override_linenum;
+
/* Whether to force emission of a line note before the next insn. */
static bool force_source_line = false;
template = decode_asm_operands (body, NULL, NULL, NULL, NULL, NULL);
for (; *template; template++)
- if (IS_ASM_LOGICAL_LINE_SEPARATOR (*template) || *template == '\n')
+ if (IS_ASM_LOGICAL_LINE_SEPARATOR (*template, template)
+ || *template == '\n')
count++;
return count;
}
#endif
\f
+/* ??? This is probably the wrong place for these. */
+/* Structure recording the mapping from source file and directory
+ names at compile time to those to be embedded in debug
+ information. */
+typedef struct debug_prefix_map
+{
+ const char *old_prefix;
+ const char *new_prefix;
+ size_t old_len;
+ size_t new_len;
+ struct debug_prefix_map *next;
+} debug_prefix_map;
+
+/* Linked list of such structures. */
+debug_prefix_map *debug_prefix_maps;
+
+
+/* Record a debug file prefix mapping. ARG is the argument to
+ -fdebug-prefix-map and must be of the form OLD=NEW. */
+
+void
+add_debug_prefix_map (const char *arg)
+{
+ debug_prefix_map *map;
+ const char *p;
+
+ p = strchr (arg, '=');
+ if (!p)
+ {
+ error ("invalid argument %qs to -fdebug-prefix-map", arg);
+ return;
+ }
+ map = XNEW (debug_prefix_map);
+ map->old_prefix = ggc_alloc_string (arg, p - arg);
+ map->old_len = p - arg;
+ p++;
+ map->new_prefix = ggc_strdup (p);
+ map->new_len = strlen (p);
+ map->next = debug_prefix_maps;
+ debug_prefix_maps = map;
+}
+
+/* Perform user-specified mapping of debug filename prefixes. Return
+ the new name corresponding to FILENAME. */
+
+const char *
+remap_debug_filename (const char *filename)
+{
+ debug_prefix_map *map;
+ char *s;
+ const char *name;
+ size_t name_len;
+
+ for (map = debug_prefix_maps; map; map = map->next)
+ if (strncmp (filename, map->old_prefix, map->old_len) == 0)
+ break;
+ if (!map)
+ return filename;
+ name = filename + map->old_len;
+ name_len = strlen (name) + 1;
+ s = (char *) alloca (name_len + map->new_len);
+ memcpy (s, map->new_prefix, map->new_len);
+ memcpy (s + map->new_len, name, name_len);
+ return ggc_strdup (s);
+}
+\f
/* Output assembler code for the start of a function,
and initialize some of the variables in this file
for the new function. The label for the function and associated
#if defined(ASM_OUTPUT_REG_PUSH)
if (sval && svrtx != NULL_RTX && REG_P (svrtx))
- ASM_OUTPUT_REG_PUSH (file, REGNO (svrtx));
+ {
+ ASM_OUTPUT_REG_PUSH (file, REGNO (svrtx));
+ }
#endif
#if defined(STATIC_CHAIN_INCOMING_REGNUM) && defined(ASM_OUTPUT_REG_PUSH)
#if defined(ASM_OUTPUT_REG_PUSH)
if (sval && svrtx != NULL_RTX && REG_P (svrtx))
- ASM_OUTPUT_REG_POP (file, REGNO (svrtx));
+ {
+ ASM_OUTPUT_REG_POP (file, REGNO (svrtx));
+ }
#endif
}
/* Mark this block as output. */
TREE_ASM_WRITTEN (NOTE_BLOCK (insn)) = 1;
}
+ if (write_symbols == DBX_DEBUG
+ || write_symbols == SDB_DEBUG)
+ {
+ location_t *locus_ptr
+ = block_nonartificial_location (NOTE_BLOCK (insn));
+
+ if (locus_ptr != NULL)
+ {
+ override_filename = LOCATION_FILE (*locus_ptr);
+ override_linenum = LOCATION_LINE (*locus_ptr);
+ }
+ }
break;
case NOTE_INSN_BLOCK_END:
(*debug_hooks->end_block) (high_block_linenum, n);
}
+ if (write_symbols == DBX_DEBUG
+ || write_symbols == SDB_DEBUG)
+ {
+ tree outer_block = BLOCK_SUPERCONTEXT (NOTE_BLOCK (insn));
+ location_t *locus_ptr
+ = block_nonartificial_location (outer_block);
+
+ if (locus_ptr != NULL)
+ {
+ override_filename = LOCATION_FILE (*locus_ptr);
+ override_linenum = LOCATION_LINE (*locus_ptr);
+ }
+ else
+ {
+ override_filename = NULL;
+ override_linenum = 0;
+ }
+ }
break;
case NOTE_INSN_DELETED_LABEL:
if (string[0])
{
- location_t loc;
+ expanded_location loc;
if (! app_on)
{
app_on = 1;
}
#ifdef USE_MAPPED_LOCATION
- loc = ASM_INPUT_SOURCE_LOCATION (body);
+ loc = expand_location (ASM_INPUT_SOURCE_LOCATION (body));
#else
loc.file = ASM_INPUT_SOURCE_FILE (body);
loc.line = ASM_INPUT_SOURCE_LINE (body);
rtx *ops = alloca (noperands * sizeof (rtx));
const char *string;
location_t loc;
+ expanded_location expanded;
/* There's no telling what that did to the condition codes. */
CC_STATUS_INIT;
/* Inhibit dieing on what would otherwise be compiler bugs. */
insn_noperands = noperands;
this_is_asm_operands = insn;
+ expanded = expand_location (loc);
#ifdef FINAL_PRESCAN_INSN
FINAL_PRESCAN_INSN (insn, ops, insn_noperands);
fputs (ASM_APP_ON, file);
app_on = 1;
}
- if (loc.file && loc.line)
+ if (expanded.file && expanded.line)
fprintf (asm_out_file, "%s %i \"%s\" 1\n",
- ASM_COMMENT_START, loc.line, loc.file);
+ ASM_COMMENT_START, expanded.line, expanded.file);
output_asm_insn (string, ops);
#if HAVE_AS_LINE_ZERO
- if (loc.file && loc.line)
+ if (expanded.file && expanded.line)
fprintf (asm_out_file, "%s 0 \"\" 2\n", ASM_COMMENT_START);
#endif
}
INSN_CODE (insn) = -1;
}
- /* If this is a conditional trap, maybe modify it if the cc's
- are in a nonstandard state so that it accomplishes the same
- thing that it would do straightforwardly if the cc's were
- set up normally. */
- if (cc_status.flags != 0
- && NONJUMP_INSN_P (insn)
- && GET_CODE (body) == TRAP_IF
- && COMPARISON_P (TRAP_CONDITION (body))
- && XEXP (TRAP_CONDITION (body), 0) == cc0_rtx)
- {
- /* This function may alter the contents of its argument
- and clear some of the cc_status.flags bits.
- It may also return 1 meaning condition now always true
- or -1 meaning condition now always false
- or 2 meaning condition nontrivial but altered. */
- int result = alter_cond (TRAP_CONDITION (body));
-
- /* If TRAP_CONDITION has become always false, delete the
- instruction. */
- if (result == -1)
- {
- delete_insn (insn);
- break;
- }
-
- /* If TRAP_CONDITION has become always true, replace
- TRAP_CONDITION with const_true_rtx. */
- if (result == 1)
- TRAP_CONDITION (body) = const_true_rtx;
-
- /* Rerecognize the instruction if it has changed. */
- if (result != 0)
- INSN_CODE (insn) = -1;
- }
-
/* Make same adjustments to instructions that examine the
condition codes without jumping and instructions that
handle conditional moves (if this machine has either one). */
static bool
notice_source_line (rtx insn)
{
- const char *filename = insn_file (insn);
- int linenum = insn_line (insn);
+ const char *filename;
+ int linenum;
+
+ if (override_filename)
+ {
+ filename = override_filename;
+ linenum = override_linenum;
+ }
+ else
+ {
+ filename = insn_file (insn);
+ linenum = insn_line (insn);
+ }
if (filename
&& (force_source_line
output_operand_lossage ("floating constant misused");
break;
+ case CONST_FIXED:
+ fprintf (file, HOST_WIDE_INT_PRINT_HEX, CONST_FIXED_VALUE_LOW (x));
+ break;
+
case PLUS:
/* Some assemblers need integer constants to appear last (eg masm). */
if (GET_CODE (XEXP (x, 0)) == CONST_INT)
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