| /* |
| * Offsets into target signal frames for sh4 vdso. |
| * |
| * From linux-user/sh4/signal.c: |
| * |
| * struct target_sigcontext { |
| * target_ulong oldmask; // 0 |
| * target_ulong sc_gregs[16]; // 4 |
| * target_ulong sc_pc; // 68 |
| * target_ulong sc_pr; // 72 |
| * target_ulong sc_sr; // 76 |
| * target_ulong sc_gbr; // 80 |
| * target_ulong sc_mach; // 84 |
| * target_ulong sc_macl; // 88 |
| * target_ulong sc_fpregs[16]; // 92 |
| * target_ulong sc_xfpregs[16]; // 156 |
| * unsigned int sc_fpscr; // 220 |
| * unsigned int sc_fpul; // 224 |
| * unsigned int sc_ownedfp; // 228 |
| * }; // sizeof = 232 |
| * |
| * struct sigframe { sigcontext sc; ... } |
| * struct rt_sigframe { siginfo info[128]; ucontext uc; } |
| * ucontext = { flags[4], link[4], stack[12], sigcontext mcontext; ... } |
| * => mcontext at rt_sigframe + 128 + 20 = rt_sigframe + 148 |
| */ |
| |
| /* Offset of sigcontext within sigframe (CFA base for sigreturn). */ |
| #define SIGFRAME_SC_OFFSET 0 |
| |
| /* Offset of tuc_mcontext within rt_sigframe (CFA base for rt_sigreturn). */ |
| #define RT_SIGFRAME_SC_OFFSET 148 |
| |
| /* Offsets within struct sigcontext. */ |
| #define SC_GREGS 4 |
| #define SC_PC 68 |
| #define SC_PR 72 |
| #define SC_SR 76 |
| #define SC_GBR 80 |
| #define SC_MACH 84 |
| #define SC_MACL 88 |
| #define SC_FPREGS 92 |
| #define SC_XFPREGS 156 |
| #define SC_FPSCR 220 |
| #define SC_FPUL 224 |
