1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ 2 #ifndef _UAPI__ALPHA_A_OUT_H__ 3 #define _UAPI__ALPHA_A_OUT_H__ 4 5 #include <linux/types.h> 6 7 /* 8 * OSF/1 ECOFF header structs. ECOFF files consist of: 9 * - a file header (struct filehdr), 10 * - an a.out header (struct aouthdr), 11 * - one or more section headers (struct scnhdr). 12 * The filhdr's "f_nscns" field contains the 13 * number of section headers. 14 */ 15 16 struct filehdr 17 { 18 /* OSF/1 "file" header */ 19 __u16 f_magic, f_nscns; 20 __u32 f_timdat; 21 __u64 f_symptr; 22 __u32 f_nsyms; 23 __u16 f_opthdr, f_flags; 24 }; 25 26 struct aouthdr 27 { 28 __u64 info; /* after that it looks quite normal.. */ 29 __u64 tsize; 30 __u64 dsize; 31 __u64 bsize; 32 __u64 entry; 33 __u64 text_start; /* with a few additions that actually make sense */ 34 __u64 data_start; 35 __u64 bss_start; 36 __u32 gprmask, fprmask; /* bitmask of general & floating point regs used in binary */ 37 __u64 gpvalue; 38 }; 39 40 struct scnhdr 41 { 42 char s_name[8]; 43 __u64 s_paddr; 44 __u64 s_vaddr; 45 __u64 s_size; 46 __u64 s_scnptr; 47 __u64 s_relptr; 48 __u64 s_lnnoptr; 49 __u16 s_nreloc; 50 __u16 s_nlnno; 51 __u32 s_flags; 52 }; 53 54 struct exec 55 { 56 /* OSF/1 "file" header */ 57 struct filehdr fh; 58 struct aouthdr ah; 59 }; 60 61 /* 62 * Define's so that the kernel exec code can access the a.out header 63 * fields... 64 */ 65 #define a_info ah.info 66 #define a_text ah.tsize 67 #define a_data ah.dsize 68 #define a_bss ah.bsize 69 #define a_entry ah.entry 70 #define a_textstart ah.text_start 71 #define a_datastart ah.data_start 72 #define a_bssstart ah.bss_start 73 #define a_gprmask ah.gprmask 74 #define a_fprmask ah.fprmask 75 #define a_gpvalue ah.gpvalue 76 77 #define N_TXTADDR(x) ((x).a_textstart) 78 #define N_DATADDR(x) ((x).a_datastart) 79 #define N_BSSADDR(x) ((x).a_bssstart) 80 #define N_DRSIZE(x) 0 81 #define N_TRSIZE(x) 0 82 #define N_SYMSIZE(x) 0 83 84 #define AOUTHSZ sizeof(struct aouthdr) 85 #define SCNHSZ sizeof(struct scnhdr) 86 #define SCNROUND 16 87 88 #define N_TXTOFF(x) \ 89 ((long) N_MAGIC(x) == ZMAGIC ? 0 : \ 90 (sizeof(struct exec) + (x).fh.f_nscns*SCNHSZ + SCNROUND - 1) & ~(SCNROUND - 1)) 91 92 #endif /* _UAPI__ALPHA_A_OUT_H__ */ 93