Applied patch from Jim Wilson to fix several bugs in line table generation.
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@ -1,3 +1,11 @@
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1999-08-26 Jim Wilson <wilson@cygnus.com>
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* dwarf2dbg.c (out_end_sequence): Correct comments. Set last to
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ls.last_filename if last is less than zero. Set ls.last_filename
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when allocating new entry.
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(dwarf2_gen_line_info): Save seg and subseg info before subseg_new
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call.
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1999-08-20 Alan Modra <alan@spri.levels.unisa.edu.au>
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* config/tc-i386.c (i386_index_check): Fix the displacement size
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@ -359,7 +359,7 @@ out_end_sequence ()
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/* Look up a filenumber either by filename or by filenumber. If both
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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 the filenumber for the new entry is returned. */
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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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@ -368,10 +368,12 @@ get_filenum (filenum, file)
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int i, last = filenum - 1;
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char char0 = file[0];
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if (last >= ls.num_filenames)
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/* If filenum is out of range of the filename table, then try using the
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table entry returned from the previous call. */
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if (last >= ls.num_filenames || last < 0)
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last = ls.last_filename;
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/* do a quick check against the previously used filename: */
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/* Do a quick check against the specified or previously used filenum. */
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if (ls.num_filenames > 0 && ls.file[last].name[0] == char0
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&& strcmp (ls.file[last].name + 1, file + 1) == 0)
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return last + 1;
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@ -395,6 +397,7 @@ get_filenum (filenum, file)
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}
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ls.file[ls.num_filenames].dir = 0;
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ls.file[ls.num_filenames].name = file;
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ls.last_filename = ls.num_filenames;
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return ++ls.num_filenames;
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}
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@ -425,6 +428,11 @@ dwarf2_gen_line_info (addr, l)
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else
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return; /* no filename, no filnum => no play */
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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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saved_seg = now_seg;
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saved_subseg = now_subseg;
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if (!ls.line_seg)
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{
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#ifdef BFD_ASSEMBLER
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@ -445,8 +453,6 @@ dwarf2_gen_line_info (addr, l)
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#endif
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}
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saved_seg = now_seg;
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saved_subseg = now_subseg;
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subseg_set (ls.line_seg, DL_BODY);
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if (ls.text_seg != saved_seg || ls.text_subseg != saved_subseg)
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