918dd91059
Fix crash if referenced CU is aged out. * dwarf2loc.c (per_cu_dwarf_call): New variable back_to, use to for xfree of block.data. (indirect_pieced_value): New variable back_to, use to for xfree of baton.data. (dwarf2_compile_expr_to_ax): New variable back_to, use to for xfree of block.data. * dwarf2read.c (dwarf2_find_base_address): New prototype. (load_cu): New function from ... (dw2_do_instantiate_symtab): ... the code here ... (process_full_comp_unit): ... and here. (dwarf2_fetch_die_location_block): Call load_cu first. Call xmemdup on retval.data. gdb/testsuite/ Fix crash if referenced CU is aged out. * gdb.dwarf2/dw2-op-call.exp (maintenance set dwarf2 max-cache-age 0): New. * gdb.dwarf2/implptr.exp: Likewise.
39 lines
1.3 KiB
Text
39 lines
1.3 KiB
Text
# Copyright 2009, 2011 Free Software Foundation, Inc.
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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load_lib dwarf.exp
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# Test DW_OP_call2 and DW_OP_call4, PR gdb/10640.
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# This test can only be run on targets which support DWARF-2 and use gas.
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if {![dwarf2_support]} {
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return 0
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}
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set testfile "dw2-op-call"
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set srcfile ${testfile}.S
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set executable ${testfile}.x
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if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${objdir}/${subdir}/${executable}" object {nodebug}] != "" } {
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return -1
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}
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clean_restart $executable
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# Additional test to verify the referenced CU is not aged out.
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gdb_test_no_output "maintenance set dwarf2 max-cache-age 0"
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gdb_test "p array1" " = 1"
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gdb_test "p array2" " = 2" "array2 using DW_OP_call2"
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gdb_test "p array3" " = 3" "array3 using DW_OP_call4"
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