From 76c2568e8f9e09721d0164d6a72ff7ac8f5f8d02 Mon Sep 17 00:00:00 2001 From: Kazu Hirata Date: Fri, 18 Aug 2000 01:42:14 +0000 Subject: 2000-08-17 Kazu Hirata * dwarf2dbg.c: Fix formatting. --- gas/ChangeLog | 4 ++++ gas/dwarf2dbg.c | 62 ++++++++++++++++++++++++++++++++++----------------------- 2 files changed, 41 insertions(+), 25 deletions(-) (limited to 'gas') diff --git a/gas/ChangeLog b/gas/ChangeLog index 2e767f0e2e..bca5da89f7 100644 --- a/gas/ChangeLog +++ b/gas/ChangeLog @@ -1,3 +1,7 @@ +2000-08-17 Kazu Hirata + + * dwarf2dbg.c: Fix formatting. + 2000-08-17 Nick Clifton * config/tc-arm.c (decode_shift): Allow illegal shifts by zero diff --git a/gas/dwarf2dbg.c b/gas/dwarf2dbg.c index b83175ac40..bd23b5a2a6 100644 --- a/gas/dwarf2dbg.c +++ b/gas/dwarf2dbg.c @@ -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); -- cgit v1.2.1