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40 lines
1.1 KiB
C
40 lines
1.1 KiB
C
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/* Linux-specific definitions: */
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/* Define various structure offsets to simplify cross-compilation. */
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/* FIXME: Currently these are only used in getcontext.S, which is only used
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for a local unwinder, so we can use the compile-time ABI. At a later date
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we will want all three here, to use for signal handlers. Also, because
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of the three ABIs, gen-offsets.c can not quite generate this file. */
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/* Offsets for MIPS Linux "ucontext_t": */
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#if _MIPS_SIM == _ABIO32
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# define LINUX_UC_FLAGS_OFF 0x0
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# define LINUX_UC_LINK_OFF 0x4
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# define LINUX_UC_STACK_OFF 0x8
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# define LINUX_UC_MCONTEXT_OFF 0x18
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# define LINUX_UC_SIGMASK_OFF 0x268
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# define LINUX_UC_MCONTEXT_GREGS 0x28
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#elif _MIPS_SIM == _ABIN32
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# define LINUX_UC_FLAGS_OFF 0x0
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# define LINUX_UC_LINK_OFF 0x4
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# define LINUX_UC_STACK_OFF 0x8
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# define LINUX_UC_MCONTEXT_OFF 0x18
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# define LINUX_UC_SIGMASK_OFF 0x270
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# define LINUX_UC_MCONTEXT_GREGS 0x18
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#elif _MIPS_SIM == _ABI64
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# define LINUX_UC_FLAGS_OFF 0x0
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# define LINUX_UC_LINK_OFF 0x8
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# define LINUX_UC_STACK_OFF 0x10
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# define LINUX_UC_MCONTEXT_OFF 0x28
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# define LINUX_UC_SIGMASK_OFF 0x280
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# define LINUX_UC_MCONTEXT_GREGS 0x28
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#endif
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