mirror of
https://github.com/openharmony/third_party_libunwind.git
synced 2026-07-01 07:39:12 -04:00
Steve MacLean
43 lines
1.3 KiB
C
43 lines
1.3 KiB
C
// This is an incomplete & imprecice implementation of the *nix file
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// by the same name
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// Since this is only intended for VC++ compilers
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// use #pragma once instead of guard macros
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#pragma once
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#ifdef _MSC_VER // Only for cross compilation to windows
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#include <inttypes.h>
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#if defined(__linux__) && defined(__x86_64__)
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# define SIZEOF_UCONTEXT 936
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#elif defined(__linux__) && defined(__aarch64__)
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# define SIZEOF_UCONTEXT 4560
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#elif defined(__linux__) && defined(__arm__)
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# define SIZEOF_UCONTEXT 744
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#elif !defined(SIZEOF_UCONTEXT)
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// It is not clear whether the sizeof(ucontext_t) is important
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// While compiling on Windows the members are not referenced...
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// However the size maybe important during a case or a memcpy
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// Barring a full audit it could be important so require the size to be defined
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# error SIZEOF_UCONTEXT is unknown for this target
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#endif
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typedef struct ucontext
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{
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uint8_t content[SIZEOF_UCONTEXT];
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} ucontext_t;
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#ifdef __aarch64__
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// These types are used in the definition of the aarch64 unw_tdep_context_t
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// They are not used in UNW_REMOTE_ONLY, so typedef them as something
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typedef long sigset_t;
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typedef long stack_t;
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// Windows SDK defines reserved. It conflicts with arm64 ucontext
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// Undefine it
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#undef __reserved
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#endif
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#endif // _MSC_VER
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