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[/] [or1k/] [tags/] [tn_m001/] [gdb-5.0/] [include/] [aout/] [dynix3.h] - Rev 106
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/* * a.out specifics for Sequent Symmetry running Dynix 3.x */ #ifndef A_OUT_DYNIX3_H #define A_OUT_DYNIX3_H #define external_exec dynix_external_exec /* struct exec for Dynix 3 * * a_gdtbl and a_bootstrap are only for standalone binaries. * Shared data fields are not supported by the kernel as of Dynix 3.1, * but are supported by Dynix compiler programs. */ struct dynix_external_exec { unsigned char e_info[4]; unsigned char e_text[4]; unsigned char e_data[4]; unsigned char e_bss[4]; unsigned char e_syms[4]; unsigned char e_entry[4]; unsigned char e_trsize[4]; unsigned char e_drsize[4]; unsigned char e_g_code[8], e_g_data[8], e_g_desc[8]; unsigned char e_shdata[4]; unsigned char e_shbss[4]; unsigned char e_shdrsize[4]; unsigned char e_bootstrap[44]; unsigned char e_reserved[12]; unsigned char e_version[4]; }; #define EXEC_BYTES_SIZE (128) /* * All executables under Dynix are demand paged with read-only text, * Thus no NMAGIC. * * ZMAGIC has a page of 0s at virtual 0, * XMAGIC has an invalid page at virtual 0 */ #define OMAGIC 0x12eb /* .o */ #define ZMAGIC 0x22eb /* zero @ 0, demand load */ #define XMAGIC 0x32eb /* invalid @ 0, demand load */ #define SMAGIC 0x42eb /* standalone, not supported here */ #define N_BADMAG(x) ((OMAGIC != N_MAGIC(x)) && \ (ZMAGIC != N_MAGIC(x)) && \ (XMAGIC != N_MAGIC(x)) && \ (SMAGIC != N_MAGIC(x))) #define N_ADDRADJ(x) ((ZMAGIC == N_MAGIC(x) || XMAGIC == N_MAGIC(x)) ? 0x1000 : 0) #define N_TXTOFF(x) (EXEC_BYTES_SIZE) #define N_DATOFF(x) (N_TXTOFF(x) + N_TXTSIZE(x)) #define N_SHDATOFF(x) (N_DATOFF(x) + (x).a_data) #define N_TRELOFF(x) (N_SHDATOFF(x) + (x).a_shdata) #define N_DRELOFF(x) (N_TRELOFF(x) + (x).a_trsize) #define N_SHDRELOFF(x) (N_DRELOFF(x) + (x).a_drsize) #define N_SYMOFF(x) (N_SHDRELOFF(x) + (x).a_shdrsize) #define N_STROFF(x) (N_SYMOFF(x) + (x).a_syms) #define N_TXTADDR(x) \ (((OMAGIC == N_MAGIC(x)) || (SMAGIC == N_MAGIC(x))) ? 0 \ : TEXT_START_ADDR + EXEC_BYTES_SIZE) #define N_TXTSIZE(x) \ (((OMAGIC == N_MAGIC(x)) || (SMAGIC == N_MAGIC(x))) ? ((x).a_text) \ : ((x).a_text - N_ADDRADJ(x) - EXEC_BYTES_SIZE)) #endif /* A_OUT_DYNIX3_H */
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