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author | Tom Tromey <tromey@redhat.com> | 2005-06-24 22:04:11 +0000 |
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committer | Tom Tromey <tromey@gcc.gnu.org> | 2005-06-24 22:04:11 +0000 |
commit | 6a05987083f4bb8812017baa0e3a134d21a4095e (patch) | |
tree | 2fb0ce960f2580cd478fa4ee956b309b7890e938 /libjava | |
parent | 011646f5ef1722cfe07463256378bf7ffd0b1710 (diff) | |
download | gcc-6a05987083f4bb8812017baa0e3a134d21a4095e.zip gcc-6a05987083f4bb8812017baa0e3a134d21a4095e.tar.gz gcc-6a05987083f4bb8812017baa0e3a134d21a4095e.tar.bz2 |
interpret.cc (compile): Handle case where table entry is outside of PC range.
* interpret.cc (compile): Handle case where table entry is
outside of PC range.
From-SVN: r101298
Diffstat (limited to 'libjava')
-rw-r--r-- | libjava/ChangeLog | 5 | ||||
-rw-r--r-- | libjava/interpret.cc | 6 |
2 files changed, 10 insertions, 1 deletions
diff --git a/libjava/ChangeLog b/libjava/ChangeLog index c81a79b..af57bb6 100644 --- a/libjava/ChangeLog +++ b/libjava/ChangeLog @@ -1,3 +1,8 @@ +2005-06-24 Tom Tromey <tromey@redhat.com> + + * interpret.cc (compile): Handle case where table entry is + outside of PC range. + 2005-06-23 Bryce McKinlay <mckinlay@redhat.com> * testsuite/libjava.compile/PR20697.java: New test-case. diff --git a/libjava/interpret.cc b/libjava/interpret.cc index e7d8992..355b5b9 100644 --- a/libjava/interpret.cc +++ b/libjava/interpret.cc @@ -1,6 +1,6 @@ // interpret.cc - Code for the interpreter -/* Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004 Free Software Foundation +/* Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004, 2005 Free Software Foundation This file is part of libgcj. @@ -763,6 +763,10 @@ _Jv_InterpMethod::compile (const void * const *insn_targets) for (int i = 0; i < line_table_len; i++) { int byte_pc = line_table[i].bytecode_pc; + // It isn't worth throwing an exception if this table is + // corrupted, but at the same time we don't want a crash. + if (byte_pc < 0 || byte_pc >= code_length) + byte_pc = 0; line_table[i].pc = &insns[pc_mapping[byte_pc]]; } |