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re PR debug/21946 (Invalid DWARF2 debug info emitted)

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PR debug/21946
	* dwarf2out.c (add_loc_descr_op_piece): Move to the
	DWARF2_DEBUGGING_INFO section.

From-SVN: r100748
This commit is contained in:
Eric Botcazou 2005-06-08 09:48:16 +02:00 committed by Eric Botcazou
parent 9f3b845245
commit 216448c75d
2 changed files with 27 additions and 23 deletions
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6
gcc/ChangeLog
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@ -1,3 +1,9 @@
2005-06-08 Eric Botcazou <ebotcazou@libertysurf.fr>
PR debug/21946
* dwarf2out.c (add_loc_descr_op_piece): Move to the
DWARF2_DEBUGGING_INFO section.
2005-06-08 Richard Henderson <rth@redhat.com>
PR target/21721

44
gcc/dwarf2out.c
View File

@ -2659,7 +2659,6 @@ static const char *dwarf_stack_op_name (unsigned);
static dw_loc_descr_ref new_loc_descr (enum dwarf_location_atom,
unsigned HOST_WIDE_INT, unsigned HOST_WIDE_INT);
static void add_loc_descr (dw_loc_descr_ref *, dw_loc_descr_ref);
static void add_loc_descr_op_piece (dw_loc_descr_ref *, int);
static unsigned long size_of_loc_descr (dw_loc_descr_ref);
static unsigned long size_of_locs (dw_loc_descr_ref);
static void output_loc_operands (dw_loc_descr_ref);
@ -2997,7 +2996,6 @@ new_loc_descr (enum dwarf_location_atom op, unsigned HOST_WIDE_INT oprnd1,
return descr;
}
/* Add a location description term to a location description expression. */
static inline void
@ -3012,27 +3010,6 @@ add_loc_descr (dw_loc_descr_ref *list_head, dw_loc_descr_ref descr)
*d = descr;
}
/* Optionally add a DW_OP_piece term to a location description expression.
DW_OP_piece is only added if the location description expression already
doesn't end with DW_OP_piece. */
static void
add_loc_descr_op_piece (dw_loc_descr_ref *list_head, int size)
{
dw_loc_descr_ref loc;
if (*list_head != NULL)
{
/* Find the end of the chain. */
for (loc = *list_head; loc->dw_loc_next != NULL; loc = loc->dw_loc_next)
;
if (loc->dw_loc_opc != DW_OP_piece)
loc->dw_loc_next = new_loc_descr (DW_OP_piece, size, 0);
}
}
/* Return the size of a location descriptor. */
static unsigned long
@ -3996,6 +3973,7 @@ static dw_die_ref subrange_type_die (tree, dw_die_ref);
static dw_die_ref modified_type_die (tree, int, int, dw_die_ref);
static int type_is_enum (tree);
static unsigned int dbx_reg_number (rtx);
static void add_loc_descr_op_piece (dw_loc_descr_ref *, int);
static dw_loc_descr_ref reg_loc_descriptor (rtx);
static dw_loc_descr_ref one_reg_loc_descriptor (unsigned int);
static dw_loc_descr_ref multiple_reg_loc_descriptor (rtx, rtx);
@ -8432,6 +8410,26 @@ dbx_reg_number (rtx rtl)
return DBX_REGISTER_NUMBER (regno);
}
/* Optionally add a DW_OP_piece term to a location description expression.
DW_OP_piece is only added if the location description expression already
doesn't end with DW_OP_piece. */
static void
add_loc_descr_op_piece (dw_loc_descr_ref *list_head, int size)
{
dw_loc_descr_ref loc;
if (*list_head != NULL)
{
/* Find the end of the chain. */
for (loc = *list_head; loc->dw_loc_next != NULL; loc = loc->dw_loc_next)
;
if (loc->dw_loc_opc != DW_OP_piece)
loc->dw_loc_next = new_loc_descr (DW_OP_piece, size, 0);
}
}
/* Return a location descriptor that designates a machine register or
zero if there is none. */