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441adc46ff
This adds a port to Linux on the IBM Z platform (a.k.a s390x). It only supports the 64-bit ABI. Most functionality is working and all the tests pass with the exception of the coredump tests*. Unwinding is only supported if DWARF unwind information is present. libunwind can't currently make use of the backchain (if present). The getcontext/setcontext functions only preserve/restore a subset of registers. Currently this only consists of callee-saved registers and some parameter registers. Vector registers and access registers are not saved (and aren't callee- saved) by getcontext and cannot currently be modified. They will however be restored unmodified after resuming a context from a signal handler. There is no special libunwind support for setjmp, the functionality is emulated using glibc (I think all the ports do this for modern Linux kernels). * Unwinding on s390x requires floating point register access which the coredump library doesn't currently support.
40 lines
1 KiB
C
40 lines
1 KiB
C
/* Provide a real file - not a symlink - as it would cause multiarch conflicts
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when multiple different arch releases are installed simultaneously. */
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#ifndef UNW_REMOTE_ONLY
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#if defined __aarch64__
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# include "tdep-aarch64/libunwind_i.h"
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#elif defined __arm__
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# include "tdep-arm/libunwind_i.h"
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#elif defined __hppa__
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# include "tdep-hppa/libunwind_i.h"
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#elif defined __ia64__
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# include "tdep-ia64/libunwind_i.h"
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#elif defined __mips__
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# include "tdep-mips/libunwind_i.h"
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#elif defined __powerpc__ && !defined __powerpc64__
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# include "tdep-ppc32/libunwind_i.h"
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#elif defined __powerpc64__
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# include "tdep-ppc64/libunwind_i.h"
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#elif defined __sh__
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# include "tdep-sh/libunwind_i.h"
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#elif defined __i386__
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# include "tdep-x86/libunwind_i.h"
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#elif defined __x86_64__
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# include "tdep-x86_64/libunwind_i.h"
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#elif defined __tilegx__
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# include "tdep-tilegx/libunwind_i.h"
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#elif defined __s390x__
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# include "tdep-s390x/libunwind_i.h"
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#else
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# error "Unsupported arch"
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#endif
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#else /* UNW_REMOTE_ONLY */
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# include "tdep-@arch@/libunwind_i.h"
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#endif /* UNW_REMOTE_ONLY */
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