ObjFW: Check-in [f2a8bdf254]

Overview

Comment:	Switch back to backtrace(). The reason is that __builtin_frame_address(n) for n > 0 seems to just crash on most platforms when -fomit-stack-pointer is specified, which seems to be the default for many platforms on -O2. The documentation says that __builtin_frame_address() should return NULL in case it can't get the frame, but it seems to crash instead. Therefore, this commit reverts to using backtrace() from execinfo.h, if available. However, as __builtin_frame_address() seems to always work on PPC (even with -fomit-frame-pointer) and seems to be the only way to get a backtrace on the Wii, this is still used if backtrace() is unavailable and __ppc__ defined.
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SHA3-256:	f2a8bdf254c3b166d95554e7f7a0804133fdda0c612c1d1f70e85a73607bfd28
User & Date:	js on 2013-05-25 11:40:28
Other Links:	manifest \| tags

Context

2013-05-26
17:24		OFTCPSocket.h: Explicitly import objfw-defs.h. check-in: 49b741b30e user: js tags: trunk
2013-05-25
11:40		Switch back to backtrace(). check-in: f2a8bdf254 user: js tags: trunk
2013-05-22
21:09		Show a backtrace for uncaught exceptions. check-in: 32230a1615 user: js tags: trunk

Changes

Unified Diffs Side-by-Side Diffs Patch

Modified configure.ac from [c6b89e288b] to [fe25322d35]. [diff]

Modified src/exceptions/OFException.h from [a50325ba8b] to [3edc7f9b6e]. [diff]

Modified src/exceptions/OFException.m from [18d7beaf46] to [fbd2e39b2b]. [diff]