| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | #ifndef __ASMCRIS_ARCH_ELF_H |
| 2 | #define __ASMCRIS_ARCH_ELF_H |
| 3 | |
| 4 | /* |
| 5 | * ELF register definitions.. |
| 6 | */ |
| 7 | |
| 8 | #include <asm/ptrace.h> |
| 9 | |
| 10 | /* SVR4/i386 ABI (pages 3-31, 3-32) says that when the program |
| 11 | starts (a register; assume first param register for CRIS) |
| 12 | contains a pointer to a function which might be |
| 13 | registered using `atexit'. This provides a mean for the |
| 14 | dynamic linker to call DT_FINI functions for shared libraries |
| 15 | that have been loaded before the code runs. |
| 16 | |
| 17 | A value of 0 tells we have no such handler. */ |
| 18 | |
| 19 | /* Explicitly set registers to 0 to increase determinism. */ |
| 20 | #define ELF_PLAT_INIT(_r, load_addr) do { \ |
| 21 | (_r)->r13 = 0; (_r)->r12 = 0; (_r)->r11 = 0; (_r)->r10 = 0; \ |
| 22 | (_r)->r9 = 0; (_r)->r8 = 0; (_r)->r7 = 0; (_r)->r6 = 0; \ |
| 23 | (_r)->r5 = 0; (_r)->r4 = 0; (_r)->r3 = 0; (_r)->r2 = 0; \ |
| 24 | (_r)->r1 = 0; (_r)->r0 = 0; (_r)->mof = 0; (_r)->srp = 0; \ |
| 25 | } while (0) |
| 26 | |
| 27 | /* The additional layer below is because the stack pointer is missing in |
| 28 | the pt_regs struct, but needed in a core dump. pr_reg is a elf_gregset_t, |
| 29 | and should be filled in according to the layout of the user_regs_struct |
| 30 | struct; regs is a pt_regs struct. We dump all registers, though several are |
| 31 | obviously unnecessary. That way there's less need for intelligence at |
| 32 | the receiving end (i.e. gdb). */ |
| 33 | #define ELF_CORE_COPY_REGS(pr_reg, regs) \ |
| 34 | pr_reg[0] = regs->r0; \ |
| 35 | pr_reg[1] = regs->r1; \ |
| 36 | pr_reg[2] = regs->r2; \ |
| 37 | pr_reg[3] = regs->r3; \ |
| 38 | pr_reg[4] = regs->r4; \ |
| 39 | pr_reg[5] = regs->r5; \ |
| 40 | pr_reg[6] = regs->r6; \ |
| 41 | pr_reg[7] = regs->r7; \ |
| 42 | pr_reg[8] = regs->r8; \ |
| 43 | pr_reg[9] = regs->r9; \ |
| 44 | pr_reg[10] = regs->r10; \ |
| 45 | pr_reg[11] = regs->r11; \ |
| 46 | pr_reg[12] = regs->r12; \ |
| 47 | pr_reg[13] = regs->r13; \ |
| 48 | pr_reg[14] = rdusp(); /* sp */ \ |
| 49 | pr_reg[15] = regs->irp; /* pc */ \ |
| 50 | pr_reg[16] = 0; /* p0 */ \ |
| 51 | pr_reg[17] = rdvr(); /* vr */ \ |
| 52 | pr_reg[18] = 0; /* p2 */ \ |
| 53 | pr_reg[19] = 0; /* p3 */ \ |
| 54 | pr_reg[20] = 0; /* p4 */ \ |
| 55 | pr_reg[21] = (regs->dccr & 0xffff); /* ccr */ \ |
| 56 | pr_reg[22] = 0; /* p6 */ \ |
| 57 | pr_reg[23] = regs->mof; /* mof */ \ |
| 58 | pr_reg[24] = 0; /* p8 */ \ |
| 59 | pr_reg[25] = 0; /* ibr */ \ |
| 60 | pr_reg[26] = 0; /* irp */ \ |
| 61 | pr_reg[27] = regs->srp; /* srp */ \ |
| 62 | pr_reg[28] = 0; /* bar */ \ |
| 63 | pr_reg[29] = regs->dccr; /* dccr */ \ |
| 64 | pr_reg[30] = 0; /* brp */ \ |
| 65 | pr_reg[31] = rdusp(); /* usp */ \ |
| 66 | pr_reg[32] = 0; /* csrinstr */ \ |
| 67 | pr_reg[33] = 0; /* csraddr */ \ |
| 68 | pr_reg[34] = 0; /* csrdata */ |
| 69 | |
| 70 | |
| 71 | #endif |