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* Really unload object code when it is safe to do so (#8039)Simon Marlow2013-08-221-1/+11
| | | | | | | | | | | | | | | The next major GC after an unloadObj() will do a traversal of the heap to determine whether the object code can be removed from memory or not. We'll keep doing these until it is safe to remove the object code. In my experiments with GHCi, the objects get unloaded immediately, which is a good sign: we're not accidentally holding on to any references anywhere in the GHC data structures. Changes relative to the patch earlier posted on the ticket: - fix two memory leaks discovered with Valgrind, after testing with tests/rts/linker_unload.c
* Add linker support for ELF on ARMBen Gamari2012-03-301-2/+4
| | | | | | | | | | | | | | | | | | | | | | | Add support for ELF objects on ARM to the runtime linker. While the list of relocation types in the "ELF for the ARM Architecture" specification spans four pages, we thankfully only see a handful of these in the wild. Thus, at the moment we only support the following .rel relocation types, * R_ARM_ABS32 * R_ARM_TARGET1 * R_ARM_REL32 * R_ARM_CALL * R_ARM_JUMP24 * R_ARM_MOVT_ABS * R_ARM_MOVW_ABS_NC * R_ARM_THM_CALL * R_ARM_THM_JUMP24 * R_ARM_THM_MOVT_ABS * R_ARM_THM_MOVW_ABS_NC * R_ARM_THM_JUMP8 * R_ARM_THM_JUMP11 Signed-off-by: Ben Gamari <bgamari.foss@gmail.com>
* Make the RTS linker API use wide-char pathnames on Windows (#5697)Simon Marlow2012-01-091-1/+1
| | | | | I haven't been able to test whether this works or not due to #5754, but at least it doesn't appear to break anything.
* New member "archiveMemberName" for struct _ObjectCodepho@cielonegro.org2010-09-271-0/+11
| | | | | struct _ObjectCode should be able to retain the name of archive members. Though currently the only use of those names are for debugging outputs.
* Change some TARGET tests to HOST tests in the RTSIan Lynagh2010-07-131-1/+1
| | | | Which was being used seemed to be random
* FIX #2615 (linker scripts in .so files)howard_b_golden@yahoo.com2009-12-161-0/+2
| | | | | | | | This patch does not apply to Windows. It only applies to systems with ELF binaries. This is a patch to rts/Linker.c to recognize linker scripts in .so files and find the real target .so shared library for loading.
* 2nd try: remove lochash, it isn't needed (now)Simon Marlow2008-08-041-3/+0
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* UNDO: FIX #2375: remove oc->lochash completely, it apparently isn't usedSimon Marlow2008-08-041-0/+3
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* FIX #2375: remove oc->lochash completely, it apparently isn't usedSimon Marlow2008-07-301-3/+0
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* Darwin/x86_64 linker supportwolfgang.thaller@gmx.net2007-04-121-10/+15
| | | | Initial support for loading x86_64 Mach-O files
* Reorganisation of the source treeSimon Marlow2006-04-071-0/+110
Most of the other users of the fptools build system have migrated to Cabal, and with the move to darcs we can now flatten the source tree without losing history, so here goes. The main change is that the ghc/ subdir is gone, and most of what it contained is now at the top level. The build system now makes no pretense at being multi-project, it is just the GHC build system. No doubt this will break many things, and there will be a period of instability while we fix the dependencies. A straightforward build should work, but I haven't yet fixed binary/source distributions. Changes to the Building Guide will follow, too.
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