xcoff.c (xcoff_incl_compare): New function.
* xcoff.c (xcoff_incl_compare): New function. (xcoff_incl_search): New function. (xcoff_process_linenos): Use bsearch to find include file. (xcoff_initialize_fileline): Sort include file information. From-SVN: r256895
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@ -1,3 +1,10 @@
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2018-01-19 Tony Reix <tony.reix@atos.net>
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* xcoff.c (xcoff_incl_compare): New function.
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(xcoff_incl_search): New function.
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(xcoff_process_linenos): Use bsearch to find include file.
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(xcoff_initialize_fileline): Sort include file information.
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2018-01-16 Ian Lance Taylor <iant@golang.org>
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* elf.c (codes) [GENERATE_FIXED_HUFFMAN_TABLE]: Fix size to be
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@ -760,6 +760,40 @@ xcoff_fileline (struct backtrace_state *state, uintptr_t pc,
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return callback (data, pc, NULL, 0, NULL);
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}
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/* Compare struct xcoff_incl for qsort. */
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static int
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xcoff_incl_compare (const void *v1, const void *v2)
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{
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const struct xcoff_incl *in1 = (const struct xcoff_incl *) v1;
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const struct xcoff_incl *in2 = (const struct xcoff_incl *) v2;
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if (in1->begin < in2->begin)
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return -1;
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else if (in1->begin > in2->begin)
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return 1;
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else
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return 0;
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}
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/* Find a lnnoptr in an include file. */
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static int
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xcoff_incl_search (const void *vkey, const void *ventry)
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{
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const uintptr_t *key = (const uintptr_t *) vkey;
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const struct xcoff_incl *entry = (const struct xcoff_incl *) ventry;
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uintptr_t lnno;
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lnno = *key;
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if (lnno < entry->begin)
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return -1;
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else if (lnno > entry->end)
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return 1;
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else
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return 0;
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}
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/* Add a new mapping to the vector of line mappings that we are
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building. Returns 1 on success, 0 on failure. */
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@ -809,7 +843,6 @@ xcoff_process_linenos (struct backtrace_state *state, uintptr_t base_address,
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uintptr_t pc;
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uint32_t lnno;
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int begincl;
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size_t i;
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aux = (const b_xcoff_auxent *) (fsym + 1);
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lnnoptr = aux->x_fcn.x_lnnoptr;
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@ -839,15 +872,13 @@ xcoff_process_linenos (struct backtrace_state *state, uintptr_t base_address,
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/* If part of a function other than the beginning comes from an
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include file, the line numbers are absolute, rather than
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relative to the beginning of the function. */
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for (i = 0; i < vec->count; ++i)
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{
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incl = (struct xcoff_incl *) vec->vec.base + i;
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if (incl->begin <= lnnoptr && lnnoptr <= incl->end)
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break;
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}
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incl = (struct xcoff_incl *) bsearch (&lnnoptr, vec->vec.base,
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vec->count,
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sizeof (struct xcoff_incl),
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xcoff_incl_search);
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if (begincl == -1)
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begincl = (i < vec->count);
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if (i < vec->count)
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begincl = incl != NULL;
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if (incl != NULL)
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{
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filename = incl->filename;
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if (begincl == 1)
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@ -935,6 +966,9 @@ xcoff_initialize_fileline (struct backtrace_state *state,
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i += asym->n_numaux;
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}
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backtrace_qsort (vec.vec.base, vec.count,
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sizeof (struct xcoff_incl), xcoff_incl_compare);
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filename = NULL;
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fsym = NULL;
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for (i = 0; i < nsyms; ++i)
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