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author | Chris Johns <chrisj@rtems.org> | 2016-12-07 17:20:38 +1100 |
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committer | Chris Johns <chrisj@rtems.org> | 2016-12-14 09:07:16 +1100 |
commit | c6eead1353e03542e5bad9efda3b6553125520d8 (patch) | |
tree | f2495a17c8d001a8249b0e6f785c3428df721a1d /cpukit/libdl/rtl-unwind.h | |
parent | score: Prevent thread_dispatch_disable_level < 0. (diff) | |
download | rtems-c6eead1353e03542e5bad9efda3b6553125520d8.tar.bz2 |
libdl: Add C++ exception support to loaded modules.
This has been tested on SPARC, i386, PowerPC and ARM.
Closes #2767.
Diffstat (limited to 'cpukit/libdl/rtl-unwind.h')
-rw-r--r-- | cpukit/libdl/rtl-unwind.h | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/cpukit/libdl/rtl-unwind.h b/cpukit/libdl/rtl-unwind.h new file mode 100644 index 0000000000..f88787e1ba --- /dev/null +++ b/cpukit/libdl/rtl-unwind.h @@ -0,0 +1,63 @@ +/* + * COPYRIGHT (c) 2016 Chris Johns <chrisj@rtems.org> + * + * The license and distribution terms for this file may be + * found in the file LICENSE in this distribution or at + * http://www.rtems.org/license/LICENSE. + */ +/** + * @file + * + * @ingroup rtems_rtl + * + * @brief RTEMS Run-Time Linker Unwind Support. + */ + +#if !defined (_RTEMS_RTL_UNWIND_H_) +#define _RTEMS_RTL_UNWIND_H_ + +#include "rtl-elf.h" + +#ifdef __cplusplus +extern "C" { +#endif /* __cplusplus */ + +/** + * Architecture specific handler to check if a section contains exception + * handler data.. + * + * @param obj The object file. + * @param name The section's name. + * @param uint32 flags The object file's flags. + * @retval true The section contains unwind information. + * @retval false The section does not contain unwind information. + */ +bool rtems_rtl_elf_unwind_parse (const rtems_rtl_obj_t* obj, + const char* name, + uint32_t flags); + +/** + * Architecture specific handler to add an object file's unwind information to + * the base image. + * + * @param obj The object file. + * @retval true The unwind information has been registered. + * @retval false The unwind information could not be registered. + */ +bool rtems_rtl_elf_unwind_register (rtems_rtl_obj_t* obj); + +/** + * Architecture specific handler to remove an object file's unwind information + * from the base image. + * + * @param obj The object file. + * @retval true The unwind information has been deregistered. + * @retval false The unwind information could not be deregistered. + */ +bool rtems_rtl_elf_unwind_deregister (rtems_rtl_obj_t* obj); + +#ifdef __cplusplus +} +#endif /* __cplusplus */ + +#endif |