2000-08-17 Kazu Hirata <kazu@hxi.com>
* dwarf2dbg.c: Fix formatting.
This commit is contained in:
Kazu Hirata
parent
004af544ae
commit
353e2c6994
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@ -1,3 +1,7 @@
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2000-08-17 Kazu Hirata <kazu@hxi.com>
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* dwarf2dbg.c: Fix formatting.
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2000-08-17 Nick Clifton <nickc@redhat.com>
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* config/tc-arm.c (decode_shift): Allow illegal shifts by zero
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@ -132,9 +132,9 @@ static struct
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}
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*file;
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struct dwarf2_line_info current; /* current source info: */
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struct dwarf2_line_info current; /* current source info */
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/* counters for statistical purposes: */
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/* counters for statistical purposes */
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unsigned int num_line_entries;
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unsigned int opcode_hist[256]; /* histogram of opcode frequencies */
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}
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@ -174,8 +174,7 @@ ls =
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}
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};
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/* Function prototypes: */
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/* Function prototypes. */
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static void out_uleb128 PARAMS ((addressT));
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static void out_sleb128 PARAMS ((offsetT));
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static void gen_addr_line PARAMS ((int, addressT));
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@ -187,11 +186,11 @@ static void gen_dir_list PARAMS ((void));
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static void gen_file_list PARAMS ((void));
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static void print_stats PARAMS ((unsigned long));
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#define out_byte(byte) FRAG_APPEND_1_CHAR(byte)
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#define out_opcode(opc) (out_byte ((opc)), ++ls.opcode_hist[(opc) & 0xff])
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/* Output an unsigned "little-endian base 128" number. */
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static void
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out_uleb128 (value)
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addressT value;
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@ -210,6 +209,7 @@ out_uleb128 (value)
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}
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/* Output a signed "little-endian base 128" number. */
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static void
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out_sleb128 (value)
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offsetT value;
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@ -231,6 +231,7 @@ out_sleb128 (value)
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/* Encode a pair of line and address skips as efficiently as possible.
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Note that the line skip is signed, whereas the address skip is
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unsigned. */
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static void
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gen_addr_line (line_delta, addr_delta)
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int line_delta;
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@ -250,7 +251,7 @@ gen_addr_line (line_delta, addr_delta)
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tmp += DWARF2_LINE_OPCODE_BASE;
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/* try using a special opcode: */
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/* Try using a special opcode. */
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opcode = tmp + addr_delta*DWARF2_LINE_RANGE;
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if (opcode <= 255)
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{
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@ -258,8 +259,8 @@ gen_addr_line (line_delta, addr_delta)
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return;
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}
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/* try using DW_LNS_const_add_pc followed by special op: */
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opcode = tmp + (addr_delta - MAX_SPECIAL_ADDR_DELTA)*DWARF2_LINE_RANGE;
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/* Try using DW_LNS_const_add_pc followed by special op. */
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opcode = tmp + (addr_delta - MAX_SPECIAL_ADDR_DELTA) * DWARF2_LINE_RANGE;
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if (opcode <= 255)
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{
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out_opcode (DW_LNS_const_add_pc);
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@ -271,9 +272,11 @@ gen_addr_line (line_delta, addr_delta)
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out_uleb128 (addr_delta);
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if (line_delta)
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out_opcode (tmp); /* output line-delta */
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/* Output line-delta. */
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out_opcode (tmp);
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else
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out_opcode (DW_LNS_copy); /* append new row with current info */
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/* Append new row with current info. */
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out_opcode (DW_LNS_copy);
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}
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static void
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@ -284,7 +287,8 @@ reset_state_machine ()
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ls.sm = initial_state;
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}
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/* Set an absolute address (may results in a relocation entry): */
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/* Set an absolute address (may results in a relocation entry). */
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static void
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out_set_addr (addr)
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addressT addr;
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@ -322,6 +326,7 @@ out_set_addr (addr)
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/* Emit DW_LNS_end_sequence and reset state machine. Does not
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preserve the current segment/sub-segment! */
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static void
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out_end_sequence ()
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{
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@ -351,7 +356,7 @@ out_end_sequence ()
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{
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/* Advance address without updating the line-debug
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matrix---the end_sequence entry is used only to tell
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the debugger the end of the sequence.*/
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the debugger the end of the sequence. */
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out_opcode (DW_LNS_advance_pc);
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out_uleb128 (delta);
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}
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@ -371,6 +376,7 @@ out_end_sequence ()
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a filenumber and a filename are specified, lookup by filename takes
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precedence. If the filename cannot be found, it is added to the
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filetable and the filenumber for the new entry is returned. */
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static int
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get_filenum (filenum, file)
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int filenum;
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@ -389,7 +395,7 @@ get_filenum (filenum, file)
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&& strcmp (ls.file[last].name + 1, file + 1) == 0)
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return last + 1;
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/* no match, fall back to simple linear scan: */
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/* No match, fall back to simple linear scan. */
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for (i = 0; i < ls.num_filenames; ++i)
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{
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if (ls.file[i].name[0] == char0
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@ -400,7 +406,7 @@ get_filenum (filenum, file)
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}
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}
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/* no match: enter new filename */
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/* No match, enter new filename. */
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if (ls.num_filenames >= ls.filename_len)
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{
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ls.filename_len += 13;
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@ -441,7 +447,8 @@ dwarf2_gen_line_info (addr, l)
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else if (l->filename)
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filenum = get_filenum (filenum, l->filename);
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else
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return; /* no filename, no filnum => no play */
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/* No filename, no filnum => no play. */
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return;
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/* Must save these before the subseg_new call, as that call will change
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them. */
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@ -463,9 +470,9 @@ dwarf2_gen_line_info (addr, l)
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/* We're going to need this symbol. */
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secsym = symbol_find (".debug_line");
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if (secsym != NULL)
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symbol_set_bfdsym (secsym, ls.line_seg->symbol);
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symbol_set_bfdsym (secsym, ls.line_seg->symbol);
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else
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symbol_table_insert (section_symbol (ls.line_seg));
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symbol_table_insert (section_symbol (ls.line_seg));
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#endif
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}
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@ -475,7 +482,8 @@ dwarf2_gen_line_info (addr, l)
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{
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if (!ls.sm.empty_sequence)
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{
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out_end_sequence (); /* terminate previous sequence */
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/* Terminate previous sequence. */
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out_end_sequence ();
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ls.sm.empty_sequence = 1;
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}
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any_output = 1;
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@ -568,7 +576,7 @@ gen_dir_list ()
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}
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if (j >= num_dirs)
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{
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/* didn't find this directory: append it to the list */
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/* Didn't find this directory: append it to the list. */
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size_t size = strlen (str) + 1;
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cp = frag_more (size);
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memcpy (cp, str, size);
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@ -578,7 +586,9 @@ gen_dir_list ()
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ls.file[i].name = slash + 1;
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}
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}
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out_byte ('\0'); /* terminate directory list */
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/* Terminate directory list. */
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out_byte ('\0');
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}
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static void
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@ -598,7 +608,9 @@ gen_file_list ()
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out_uleb128 (0); /* last modification timestamp */
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out_uleb128 (0); /* filesize */
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}
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out_byte (0); /* terminate filename list */
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/* Terminate filename list. */
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out_byte (0);
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}
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static void
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@ -619,7 +631,7 @@ print_stats (total_size)
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fprintf (stderr, "\nStandard opcode histogram:\n");
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for (i = 0; i < sizeof (opc_name)/sizeof (opc_name[0]); ++i)
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for (i = 0; i < sizeof (opc_name) / sizeof (opc_name[0]); ++i)
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{
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fprintf (stderr, "%s", opc_name[i]);
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for (j = strlen (opc_name[i]); j < 16; ++j)
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@ -655,7 +667,7 @@ dwarf2_finish ()
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char *cp;
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if (!ls.line_seg)
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/* no .debug_line segment, no work to do... */
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/* No .debug_line segment, no work to do. */
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return;
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saved_seg = now_seg;
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@ -665,13 +677,13 @@ dwarf2_finish ()
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out_end_sequence ();
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total_size = body_size = frag_now_fix ();
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/* now generate the directory and file lists: */
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/* Now generate the directory and file lists. */
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subseg_set (ls.line_seg, DL_FILES);
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gen_dir_list ();
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gen_file_list ();
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total_size += frag_now_fix ();
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/* and now the header ("statement program prolog", in DWARF2 lingo...) */
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/* And now the header ("statement program prolog", in DWARF2 lingo...). */
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subseg_set (ls.line_seg, DL_PROLOG);
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cp = frag_more (15 + DWARF2_LINE_OPCODE_BASE - 1);
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