From 86220f3f94c22f1b52d3406326b797ae9a0ba967 Mon Sep 17 00:00:00 2001 From: Paul Brook Date: Thu, 20 Oct 2011 13:56:12 +0000 Subject: [PATCH] exception.cc (parse_lsda_header): hardcode ttype_encoding for older ARM EABI toolchains. 2011-10-17 Paul Brook * exception.cc (parse_lsda_header): hardcode ttype_encoding for older ARM EABI toolchains. (get_ttype_entry) Remove __ARM_EABI_UNWINDER__ variant. From-SVN: r180254 --- libjava/ChangeLog | 6 ++++++ libjava/exception.cc | 22 +++++----------------- 2 files changed, 11 insertions(+), 17 deletions(-) diff --git a/libjava/ChangeLog b/libjava/ChangeLog index efbf85573ff..7ff941e459f 100644 --- a/libjava/ChangeLog +++ b/libjava/ChangeLog @@ -1,3 +1,9 @@ +2011-10-17 Paul Brook + + * exception.cc (parse_lsda_header): hardcode ttype_encoding for older + ARM EABI toolchains. + (get_ttype_entry) Remove __ARM_EABI_UNWINDER__ variant. + 2011-10-16 Uros Bizjak Eric Botcazou diff --git a/libjava/exception.cc b/libjava/exception.cc index 5a8a9e21cfa..56f25ad44be 100644 --- a/libjava/exception.cc +++ b/libjava/exception.cc @@ -161,6 +161,11 @@ parse_lsda_header (_Unwind_Context *context, const unsigned char *p, info->ttype_encoding = *p++; if (info->ttype_encoding != DW_EH_PE_omit) { +#if _GLIBCXX_OVERRIDE_TTYPE_ENCODING + /* Older ARM EABI toolchains set this value incorrectly, so use a + hardcoded OS-specific format. */ + info->ttype_encoding = _GLIBCXX_OVERRIDE_TTYPE_ENCODING; +#endif p = read_uleb128 (p, &tmp); info->TType = p + tmp; } @@ -176,21 +181,6 @@ parse_lsda_header (_Unwind_Context *context, const unsigned char *p, return p; } -#ifdef __ARM_EABI_UNWINDER__ - -static void ** -get_ttype_entry(_Unwind_Context *, lsda_header_info* info, _uleb128_t i) -{ - _Unwind_Ptr ptr; - - ptr = (_Unwind_Ptr) (info->TType - (i * 4)); - ptr = _Unwind_decode_target2(ptr); - - return reinterpret_cast(ptr); -} - -#else - static void ** get_ttype_entry (_Unwind_Context *context, lsda_header_info *info, long i) { @@ -202,8 +192,6 @@ get_ttype_entry (_Unwind_Context *context, lsda_header_info *info, long i) return reinterpret_cast(ptr); } -#endif - // Using a different personality function name causes link failures // when trying to mix code using different exception handling models. #ifdef SJLJ_EXCEPTIONS