Revert previous change to i386-tdep.c.
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@ -1,9 +1,3 @@
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2012-11-21 Karthik Bhat <kv.bhat@samsung.com>
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* i386-tdep.c (i386_skip_prologue): See if we
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can determine the end of the prologue via the symbol table.
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If so use the same instead of going through prologue instructions.
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2012-11-21 Yao Qi <yao@codesourcery.com>
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PR tdep/7438
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@ -1582,30 +1582,8 @@ i386_skip_prologue (struct gdbarch *gdbarch, CORE_ADDR start_pc)
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CORE_ADDR pc;
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gdb_byte op;
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int i;
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cache.locals = -1;
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CORE_ADDR func_addr;
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struct symtab *s = find_pc_symtab (func_addr);
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if (find_pc_partial_function (start_pc, NULL, &func_addr, NULL))
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{
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CORE_ADDR post_prologue_pc
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= skip_prologue_using_sal (gdbarch, func_addr);
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/* GCC always emits a line note before the prologue and another
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one after, even if the two are at the same address or on the
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same line. Take advantage of this so that we do not need to
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know every instruction that might appear in the prologue. We
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will have producer information for most binaries; if it is
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missing (e.g. for -gstabs), assuming the GNU tools. */
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if (post_prologue_pc
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&& (s == NULL
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|| s->producer == NULL
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|| strncmp (s->producer, "GNU ", sizeof ("GNU ") - 1) == 0
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|| strncmp (s->producer, "clang ", sizeof ("clang ") - 1) == 0))
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return max (start_pc, post_prologue_pc);
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}
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pc = i386_analyze_prologue (gdbarch, start_pc, 0xffffffff, &cache);
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if (cache.locals < 0)
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return start_pc;
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