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* symtab.c (find_function_start_sal): Never return SAL pointing

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before function start address, even if line info is missing.
This commit is contained in:
Ulrich Weigand
2010-04-09 15:31:41 +00:00
parent d337e9f09e
commit 86da934b14
2 changed files with 17 additions and 0 deletions
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12
gdb/symtab.c
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@@ -2295,6 +2295,18 @@ find_function_start_sal (struct symbol *sym, int funfirstline)
sal = find_pc_sect_line (BLOCK_START (SYMBOL_BLOCK_VALUE (sym)),
SYMBOL_OBJ_SECTION (sym), 0);
/* We always should have a line for the function start address.
If we don't, something is odd. Create a plain SAL refering
just the PC and hope that skip_prologue_sal (if requested)
can find a line number for after the prologue. */
if (sal.pc < BLOCK_START (SYMBOL_BLOCK_VALUE (sym)))
{
init_sal (&sal);
sal.pspace = current_program_space;
sal.pc = BLOCK_START (SYMBOL_BLOCK_VALUE (sym));
sal.section = SYMBOL_OBJ_SECTION (sym);
}
if (funfirstline)
skip_prologue_sal (&sal);