1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef __ASM_H8300_ELF_H
3 #define __ASM_H8300_ELF_H
6 * ELF register definitions..
9 #include <asm/ptrace.h>
12 typedef unsigned long elf_greg_t;
14 #define ELF_NGREG (sizeof(struct user_regs_struct) / sizeof(elf_greg_t))
15 typedef elf_greg_t elf_gregset_t[ELF_NGREG];
16 typedef unsigned long elf_fpregset_t;
19 * This is used to ensure we don't load something for the wrong architecture.
21 #define elf_check_arch(x) ((x)->e_machine == EM_H8_300)
24 * These are used to set parameters in the core dumps.
26 #define ELF_CLASS ELFCLASS32
27 #define ELF_DATA ELFDATA2MSB
28 #define ELF_ARCH EM_H8_300
29 #if defined(CONFIG_CPU_H8300H)
30 #define ELF_CORE_EFLAGS 0x810000
32 #if defined(CONFIG_CPU_H8S)
33 #define ELF_CORE_EFLAGS 0x820000
36 #define ELF_PLAT_INIT(_r) do { (_r)->er1 = 0; } while (0)
38 #define ELF_EXEC_PAGESIZE 4096
40 /* This is the location that an ET_DYN program is loaded if exec'ed. Typical
41 use of this is to invoke "./ld.so someprog" to test out a new version of
42 the loader. We need to make sure that it is out of the way of the program
43 that it will "exec", and that there is sufficient room for the brk. */
45 #define ELF_ET_DYN_BASE 0xD0000000UL
47 /* This yields a mask that user programs can use to figure out what
48 instruction set this cpu supports. */
52 /* This yields a string that ld.so will use to load implementation
53 specific libraries for optimization. This is more specific in
54 intent than poking at uname or /proc/cpuinfo. */
56 #define ELF_PLATFORM (NULL)
60 #define R_H8_DIR32_28 2
61 #define R_H8_DIR32_24 3
62 #define R_H8_DIR32_16 4
64 #define R_H8_DIR32U_28 7
65 #define R_H8_DIR32U_24 8
66 #define R_H8_DIR32U_20 9
67 #define R_H8_DIR32U_16 10
69 #define R_H8_DIR24_20 12
70 #define R_H8_DIR24_16 13
71 #define R_H8_DIR24U 14
72 #define R_H8_DIR24U_20 15
73 #define R_H8_DIR24U_16 16
75 #define R_H8_DIR16U 18
76 #define R_H8_DIR16S_32 19
77 #define R_H8_DIR16S_28 20
78 #define R_H8_DIR16S_24 21
79 #define R_H8_DIR16S_20 22
80 #define R_H8_DIR16S 23
83 #define R_H8_DIR8Z_32 26
84 #define R_H8_DIR8Z_28 27
85 #define R_H8_DIR8Z_24 28
86 #define R_H8_DIR8Z_20 29
87 #define R_H8_DIR8Z_16 30
88 #define R_H8_PCREL16 31
89 #define R_H8_PCREL8 32
91 #define R_H8_PCREL32 34
92 #define R_H8_GOT32O 35
93 #define R_H8_GOT16O 36
94 #define R_H8_DIR16A8 59
95 #define R_H8_DIR16R8 60
96 #define R_H8_DIR24A8 61
97 #define R_H8_DIR24R8 62
98 #define R_H8_DIR32A16 63
100 #define R_H8_ABS32A16 127