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https://github.com/tobast/libunwind-eh_elf.git
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8d5b1aeeff
Add support for the 32bit SuperH architecture running Linux. Specifically, support is added for SH4, and support for earlier SH versions and to the 64bit SH5 are left out. This was tested in qemu with a little-endian SH4 debian image & GCC 4.7 cross compiler.
33 lines
887 B
C
33 lines
887 B
C
/* Linux-specific definitions: */
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/* Define various structure offsets to simplify cross-compilation. */
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/* Offsets for SH Linux "ucontext_t": */
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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 0x14
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#define LINUX_UC_SIGMASK_OFF 0xFC
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/* Offsets for SH Linux "struct sigcontext": */
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#define LINUX_SC_R0_OFF 0x4
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#define LINUX_SC_R1_OFF 0x8
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#define LINUX_SC_R2_OFF 0xC
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#define LINUX_SC_R3_OFF 0x10
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#define LINUX_SC_R4_OFF 0x14
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#define LINUX_SC_R5_OFF 0x18
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#define LINUX_SC_R6_OFF 0x1C
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#define LINUX_SC_R7_OFF 0x20
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#define LINUX_SC_R8_OFF 0x24
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#define LINUX_SC_R9_OFF 0x28
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#define LINUX_SC_R10_OFF 0x2C
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#define LINUX_SC_R11_OFF 0x30
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#define LINUX_SC_R12_OFF 0x34
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#define LINUX_SC_R13_OFF 0x38
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#define LINUX_SC_R14_OFF 0x3C
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#define LINUX_SC_R15_OFF 0x40
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#define LINUX_SC_PC_OFF 0x44
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#define LINUX_SC_PR_OFF 0x48
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