diff options
Diffstat (limited to 'mdk-stage1/dietlibc/include/asm/ppc-sigcontext.h')
-rw-r--r-- | mdk-stage1/dietlibc/include/asm/ppc-sigcontext.h | 76 |
1 files changed, 76 insertions, 0 deletions
diff --git a/mdk-stage1/dietlibc/include/asm/ppc-sigcontext.h b/mdk-stage1/dietlibc/include/asm/ppc-sigcontext.h new file mode 100644 index 000000000..1d9704f3a --- /dev/null +++ b/mdk-stage1/dietlibc/include/asm/ppc-sigcontext.h @@ -0,0 +1,76 @@ + +struct pt_regs { + unsigned long gpr[32]; + unsigned long nip; + unsigned long msr; + unsigned long orig_gpr3; /* Used for restarting system calls */ + unsigned long ctr; + unsigned long link; + unsigned long xer; + unsigned long ccr; + unsigned long mq; /* 601 only (not used at present) */ + /* Used on APUS to hold IPL value. */ + unsigned long trap; /* Reason for being here */ + unsigned long dar; /* Fault registers */ + unsigned long dsisr; + unsigned long result; /* Result of a system call */ +}; + +/* + * Offsets used by 'ptrace' system call interface. + * These can't be changed without breaking binary compatibility + * with MkLinux, etc. + */ +#define PT_R0 0 +#define PT_R1 1 +#define PT_R2 2 +#define PT_R3 3 +#define PT_R4 4 +#define PT_R5 5 +#define PT_R6 6 +#define PT_R7 7 +#define PT_R8 8 +#define PT_R9 9 +#define PT_R10 10 +#define PT_R11 11 +#define PT_R12 12 +#define PT_R13 13 +#define PT_R14 14 +#define PT_R15 15 +#define PT_R16 16 +#define PT_R17 17 +#define PT_R18 18 +#define PT_R19 19 +#define PT_R20 20 +#define PT_R21 21 +#define PT_R22 22 +#define PT_R23 23 +#define PT_R24 24 +#define PT_R25 25 +#define PT_R26 26 +#define PT_R27 27 +#define PT_R28 28 +#define PT_R29 29 +#define PT_R30 30 +#define PT_R31 31 + +#define PT_NIP 32 +#define PT_MSR 33 +#define PT_CTR 35 +#define PT_LNK 36 +#define PT_XER 37 +#define PT_CCR 38 +#define PT_MQ 39 + +#define PT_FPR0 48 /* each FP reg occupies 2 slots in this space */ +#define PT_FPR31 (PT_FPR0 + 2*31) +#define PT_FPSCR (PT_FPR0 + 2*32 + 1) + +#define sigcontext_struct sigcontext +struct sigcontext { + unsigned long _unused[4]; + int signal; + unsigned long handler; + unsigned long oldmask; + struct pt_regs *regs; +}; |