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2000-08-17 Kazu Hirata <kazu@hxi.com>

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* dwarf2dbg.c: Fix formatting.
This commit is contained in:
Kazu Hirata 2000-08-18 01:42:14 +00:00
parent 004af544ae
commit 353e2c6994
2 changed files with 41 additions and 25 deletions
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4
gas/ChangeLog
View File

@ -1,3 +1,7 @@
2000-08-17 Kazu Hirata <kazu@hxi.com>
* dwarf2dbg.c: Fix formatting.
2000-08-17 Nick Clifton <nickc@redhat.com>
* config/tc-arm.c (decode_shift): Allow illegal shifts by zero

62
gas/dwarf2dbg.c
View File

@ -132,9 +132,9 @@ static struct
}
*file;
struct dwarf2_line_info current; /* current source info: */
struct dwarf2_line_info current; /* current source info */
/* counters for statistical purposes: */
/* counters for statistical purposes */
unsigned int num_line_entries;
unsigned int opcode_hist[256]; /* histogram of opcode frequencies */
}
@ -174,8 +174,7 @@ ls =
}
};
/* Function prototypes: */
/* Function prototypes. */
static void out_uleb128 PARAMS ((addressT));
static void out_sleb128 PARAMS ((offsetT));
static void gen_addr_line PARAMS ((int, addressT));
@ -187,11 +186,11 @@ static void gen_dir_list PARAMS ((void));
static void gen_file_list PARAMS ((void));
static void print_stats PARAMS ((unsigned long));
#define out_byte(byte) FRAG_APPEND_1_CHAR(byte)
#define out_opcode(opc) (out_byte ((opc)), ++ls.opcode_hist[(opc) & 0xff])
/* Output an unsigned "little-endian base 128" number. */
static void
out_uleb128 (value)
addressT value;
@ -210,6 +209,7 @@ out_uleb128 (value)
}
/* Output a signed "little-endian base 128" number. */
static void
out_sleb128 (value)
offsetT value;
@ -231,6 +231,7 @@ out_sleb128 (value)
/* Encode a pair of line and address skips as efficiently as possible.
Note that the line skip is signed, whereas the address skip is
unsigned. */
static void
gen_addr_line (line_delta, addr_delta)
int line_delta;
@ -250,7 +251,7 @@ gen_addr_line (line_delta, addr_delta)
tmp += DWARF2_LINE_OPCODE_BASE;
/* try using a special opcode: */
/* Try using a special opcode. */
opcode = tmp + addr_delta*DWARF2_LINE_RANGE;
if (opcode <= 255)
{
@ -258,8 +259,8 @@ gen_addr_line (line_delta, addr_delta)
return;
}
/* try using DW_LNS_const_add_pc followed by special op: */
opcode = tmp + (addr_delta - MAX_SPECIAL_ADDR_DELTA)*DWARF2_LINE_RANGE;
/* Try using DW_LNS_const_add_pc followed by special op. */
opcode = tmp + (addr_delta - MAX_SPECIAL_ADDR_DELTA) * DWARF2_LINE_RANGE;
if (opcode <= 255)
{
out_opcode (DW_LNS_const_add_pc);
@ -271,9 +272,11 @@ gen_addr_line (line_delta, addr_delta)
out_uleb128 (addr_delta);
if (line_delta)
out_opcode (tmp); /* output line-delta */
/* Output line-delta. */
out_opcode (tmp);
else
out_opcode (DW_LNS_copy); /* append new row with current info */
/* Append new row with current info. */
out_opcode (DW_LNS_copy);
}
static void
@ -284,7 +287,8 @@ reset_state_machine ()
ls.sm = initial_state;
}
/* Set an absolute address (may results in a relocation entry): */
/* Set an absolute address (may results in a relocation entry). */
static void
out_set_addr (addr)
addressT addr;
@ -322,6 +326,7 @@ out_set_addr (addr)
/* Emit DW_LNS_end_sequence and reset state machine. Does not
preserve the current segment/sub-segment! */
static void
out_end_sequence ()
{
@ -351,7 +356,7 @@ out_end_sequence ()
{
/* Advance address without updating the line-debug
matrix---the end_sequence entry is used only to tell
the debugger the end of the sequence.*/
the debugger the end of the sequence. */
out_opcode (DW_LNS_advance_pc);
out_uleb128 (delta);
}
@ -371,6 +376,7 @@ out_end_sequence ()
a filenumber and a filename are specified, lookup by filename takes
precedence. If the filename cannot be found, it is added to the
filetable and the filenumber for the new entry is returned. */
static int
get_filenum (filenum, file)
int filenum;
@ -389,7 +395,7 @@ get_filenum (filenum, file)
&& strcmp (ls.file[last].name + 1, file + 1) == 0)
return last + 1;
/* no match, fall back to simple linear scan: */
/* No match, fall back to simple linear scan. */
for (i = 0; i < ls.num_filenames; ++i)
{
if (ls.file[i].name[0] == char0
@ -400,7 +406,7 @@ get_filenum (filenum, file)
}
}
/* no match: enter new filename */
/* No match, enter new filename. */
if (ls.num_filenames >= ls.filename_len)
{
ls.filename_len += 13;
@ -441,7 +447,8 @@ dwarf2_gen_line_info (addr, l)
else if (l->filename)
filenum = get_filenum (filenum, l->filename);
else
return; /* no filename, no filnum => no play */
/* No filename, no filnum => no play. */
return;
/* Must save these before the subseg_new call, as that call will change
them. */
@ -463,9 +470,9 @@ dwarf2_gen_line_info (addr, l)
/* We're going to need this symbol. */
secsym = symbol_find (".debug_line");
if (secsym != NULL)
symbol_set_bfdsym (secsym, ls.line_seg->symbol);
symbol_set_bfdsym (secsym, ls.line_seg->symbol);
else
symbol_table_insert (section_symbol (ls.line_seg));
symbol_table_insert (section_symbol (ls.line_seg));
#endif
}
@ -475,7 +482,8 @@ dwarf2_gen_line_info (addr, l)
{
if (!ls.sm.empty_sequence)
{
out_end_sequence (); /* terminate previous sequence */
/* Terminate previous sequence. */
out_end_sequence ();
ls.sm.empty_sequence = 1;
}
any_output = 1;
@ -568,7 +576,7 @@ gen_dir_list ()
}
if (j >= num_dirs)
{
/* didn't find this directory: append it to the list */
/* Didn't find this directory: append it to the list. */
size_t size = strlen (str) + 1;
cp = frag_more (size);
memcpy (cp, str, size);
@ -578,7 +586,9 @@ gen_dir_list ()
ls.file[i].name = slash + 1;
}
}
out_byte ('\0'); /* terminate directory list */
/* Terminate directory list. */
out_byte ('\0');
}
static void
@ -598,7 +608,9 @@ gen_file_list ()
out_uleb128 (0); /* last modification timestamp */
out_uleb128 (0); /* filesize */
}
out_byte (0); /* terminate filename list */
/* Terminate filename list. */
out_byte (0);
}
static void
@ -619,7 +631,7 @@ print_stats (total_size)
fprintf (stderr, "\nStandard opcode histogram:\n");
for (i = 0; i < sizeof (opc_name)/sizeof (opc_name[0]); ++i)
for (i = 0; i < sizeof (opc_name) / sizeof (opc_name[0]); ++i)
{
fprintf (stderr, "%s", opc_name[i]);
for (j = strlen (opc_name[i]); j < 16; ++j)
@ -655,7 +667,7 @@ dwarf2_finish ()
char *cp;
if (!ls.line_seg)
/* no .debug_line segment, no work to do... */
/* No .debug_line segment, no work to do. */
return;
saved_seg = now_seg;
@ -665,13 +677,13 @@ dwarf2_finish ()
out_end_sequence ();
total_size = body_size = frag_now_fix ();
/* now generate the directory and file lists: */
/* Now generate the directory and file lists. */
subseg_set (ls.line_seg, DL_FILES);
gen_dir_list ();
gen_file_list ();
total_size += frag_now_fix ();
/* and now the header ("statement program prolog", in DWARF2 lingo...) */
/* And now the header ("statement program prolog", in DWARF2 lingo...). */
subseg_set (ls.line_seg, DL_PROLOG);
cp = frag_more (15 + DWARF2_LINE_OPCODE_BASE - 1);