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https://github.com/mikpe/pdp10-tools.git
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58 lines
1.3 KiB
C
58 lines
1.3 KiB
C
/*
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* gen-test1.c
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*
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* Generate test1.o for PDP10 Elf36 readelf.
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*/
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#include <errno.h>
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#include <stdio.h>
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#include <string.h>
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#include "pdp10-elf36.h"
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#include "pdp10-stdio.h"
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int main(void)
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{
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PDP10_FILE *pdp10fp;
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Elf36_Ehdr ehdr;
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pdp10fp = pdp10_fopen("test1.o", "wb");
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if (!pdp10fp) {
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fprintf(stderr, "failed to open %s: %s\n", "test1.o", strerror(errno));
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return 1;
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}
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ehdr.e_wident[0] =
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(((pdp10_uint36_t)ELFMAG0 << 28)
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| (ELFMAG1 << 20)
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| (ELFMAG2 << 12)
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| (ELFMAG3 << 4)
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| (ELFCLASS36 >> 4));
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ehdr.e_wident[1] =
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(((pdp10_uint36_t)(ELFCLASS36 & 0x0f) << 32)
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| (ELFDATA2MSB << 24)
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| (EV_CURRENT << 16)
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| (ELFOSABI_NONE << 8)
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| 0); /* EI_ABIVERSION */
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ehdr.e_wident[2] = 0;
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ehdr.e_wident[3] = 0;
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ehdr.e_type = ET_REL;
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ehdr.e_machine = EM_PDP10;
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ehdr.e_version = EV_CURRENT;
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ehdr.e_entry = 0;
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ehdr.e_phoff = 0;
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ehdr.e_shoff = 0;
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ehdr.e_flags = 0;
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ehdr.e_ehsize = ELF36_EHDR_SIZEOF;
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ehdr.e_phentsize = 0;
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ehdr.e_phnum = 0;
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ehdr.e_shentsize = 0;
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ehdr.e_shnum = 0;
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ehdr.e_shstrndx = SHN_UNDEF;
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if (pdp10_elf36_write_ehdr(pdp10fp, &ehdr) < 0) {
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fprintf(stderr, "writer to write ELF header: %s\n", strerror(errno));
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return 1;
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}
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pdp10_fclose(pdp10fp);
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return 0;
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}
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