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| author | Tom Tromey <tom@tromey.com> | 2016-10-31 20:08:44 +0000 |
|---|---|---|
| committer | Tom Tromey <tromey@gcc.gnu.org> | 2016-10-31 20:08:44 +0000 |
| commit | f3a5a02f6382f33cf2539aefbb71725bad6742df (patch) | |
| tree | 38f7fcf277694c41fff0a5cb971fc3aa32ac42b3 /gcc/dwarf2out.c | |
| parent | 120a4c45731e133355d46fc39d7a77ed9c67d67c (diff) | |
| download | gcc-f3a5a02f6382f33cf2539aefbb71725bad6742df.zip gcc-f3a5a02f6382f33cf2539aefbb71725bad6742df.tar.gz gcc-f3a5a02f6382f33cf2539aefbb71725bad6742df.tar.bz2 | |
re PR debug/77315 (emit DW_OP_form_tls_address)
PR debug/77315:
* dwarf2out.c (mem_loc_descriptor): Use DW_OP_form_tls_address.
(resolve_args_picking_1): Move DW_OP_form_tls_address case next to
DW_OP_GNU_push_tls_address case.
(loc_list_from_tree_1): Use DW_OP_form_tls_address.
From-SVN: r241721
Diffstat (limited to 'gcc/dwarf2out.c')
| -rw-r--r-- | gcc/dwarf2out.c | 16 |
1 files changed, 12 insertions, 4 deletions
diff --git a/gcc/dwarf2out.c b/gcc/dwarf2out.c index bd16d0e..a690b90 100644 --- a/gcc/dwarf2out.c +++ b/gcc/dwarf2out.c @@ -14251,7 +14251,12 @@ mem_loc_descriptor (rtx rtl, machine_mode mode, temp = new_addr_loc_descr (rtl, dtprel_true); - mem_loc_result = new_loc_descr (DW_OP_GNU_push_tls_address, 0, 0); + /* We check for DWARF 5 here because gdb did not implement + DW_OP_form_tls_address until after 7.12. */ + mem_loc_result = new_loc_descr ((dwarf_version >= 5 + ? DW_OP_form_tls_address + : DW_OP_GNU_push_tls_address), + 0, 0); add_loc_descr (&mem_loc_result, temp); break; @@ -16137,7 +16142,6 @@ resolve_args_picking_1 (dw_loc_descr_ref loc, unsigned initial_frame_offset, case DW_OP_piece: case DW_OP_deref_size: case DW_OP_nop: - case DW_OP_form_tls_address: case DW_OP_bit_piece: case DW_OP_implicit_value: case DW_OP_stack_value: @@ -16272,6 +16276,7 @@ resolve_args_picking_1 (dw_loc_descr_ref loc, unsigned initial_frame_offset, case DW_OP_deref_type: case DW_OP_convert: case DW_OP_reinterpret: + case DW_OP_form_tls_address: case DW_OP_GNU_push_tls_address: case DW_OP_GNU_uninit: case DW_OP_GNU_encoded_addr: @@ -16615,8 +16620,11 @@ loc_list_from_tree_1 (tree loc, int want_address, operand shouldn't be. */ if (DECL_EXTERNAL (loc) && !targetm.binds_local_p (loc)) return 0; - dtprel = dtprel_true; - tls_op = DW_OP_GNU_push_tls_address; + dtprel = dtprel_true; + /* We check for DWARF 5 here because gdb did not implement + DW_OP_form_tls_address until after 7.12. */ + tls_op = (dwarf_version >= 5 ? DW_OP_form_tls_address + : DW_OP_GNU_push_tls_address); } else { |