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PR ld/12974 

* config/tc-arm.c (literal_pool): Add locs field.
	(add_to_lit_pool): Initialise the locs entry for the new literal.
	(s_ltorg): Generate a DWARF2 line number entry for each emitted
	literal pool entry.
This commit is contained in:
Nick Clifton 2011-08-01 11:27:14 +00:00
parent 1596988d53
commit a8040cf231
2 changed files with 27 additions and 2 deletions
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8
gas/ChangeLog
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@ -1,3 +1,11 @@
2011-08-01 Nick Clifton <nickc@redhat.com>
PR ld/12974
* config/tc-arm.c (literal_pool): Add locs field.
(add_to_lit_pool): Initialise the locs entry for the new literal.
(s_ltorg): Generate a DWARF2 line number entry for each emitted
literal pool entry.
2011-08-01 Tristan Gingold <gingold@adacore.com>
* write.c (write_relocs): Fix -Wshadow in DEBUG3 and DEBUG4.

21
gas/config/tc-arm.c
View File

@ -759,6 +759,9 @@ typedef struct literal_pool
symbolS * symbol;
segT section;
subsegT sub_section;
#ifdef OBJ_ELF
struct dwarf2_line_info locs [MAX_LITERAL_POOL_SIZE];
#endif
struct literal_pool * next;
} literal_pool;
@ -3074,6 +3077,14 @@ add_to_lit_pool (void)
}
pool->literals[entry] = inst.reloc.exp;
#ifdef OBJ_ELF
/* PR ld/12974: Record the location of the first source line to reference
this entry in the literal pool. If it turns out during linking that the
symbol does not exist we will be able to give an accurate line number for
the (first use of the) missing reference. */
if (debug_type == DEBUG_DWARF2)
dwarf2_where (pool->locs + entry);
#endif
pool->next_free_entry += 1;
}
@ -3171,8 +3182,14 @@ s_ltorg (int ignored ATTRIBUTE_UNUSED)
#endif
for (entry = 0; entry < pool->next_free_entry; entry ++)
/* First output the expression in the instruction to the pool. */
emit_expr (&(pool->literals[entry]), 4); /* .word */
{
#ifdef OBJ_ELF
if (debug_type == DEBUG_DWARF2)
dwarf2_gen_line_info (frag_now_fix (), pool->locs + entry);
#endif
/* First output the expression in the instruction to the pool. */
emit_expr (&(pool->literals[entry]), 4); /* .word */
}
/* Mark the pool as empty. */
pool->next_free_entry = 0;