86 lines
1.9 KiB
Text
86 lines
1.9 KiB
Text
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# This shell script emits C code -*- C -*-
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# to keep track of the machine type of Z80 object files
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# It does some substitutions.
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LDEMUL_BEFORE_PARSE=gldz80_before_parse
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LDEMUL_RECOGNIZED_FILE=gldz80_recognized_file
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LDEMUL_AFTER_OPEN=gldz80_after_open
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cat >>e${EMULATION_NAME}.c <<EOF
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/* --- \begin{z80.em} */
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/* Codes for machine types, bitwise or gives the code to use for the
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output. */
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#define M_Z80STRICT 1
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#define M_Z80 3
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#define M_Z80FULL 7
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#define M_R800 11
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#define M_Z80ANY 15
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/* Bitwise or of the machine types seen so far. */
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static int result_mach_type;
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static void
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${LDEMUL_BEFORE_PARSE} (void)
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{
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#ifndef TARGET_ /* I.e., if not generic. */
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ldfile_set_output_arch ("`echo ${ARCH}`", bfd_arch_unknown);
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#endif /* not TARGET_ */
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result_mach_type = M_Z80STRICT;
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}
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/* Update result_mach_type. */
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static bfd_boolean
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${LDEMUL_RECOGNIZED_FILE} (lang_input_statement_type *entry)
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{
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unsigned long mach_type;
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mach_type = bfd_get_mach (entry->the_bfd);
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switch (mach_type)
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{
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case bfd_mach_z80strict:
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result_mach_type |= M_Z80STRICT;
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break;
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case bfd_mach_z80:
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result_mach_type |= M_Z80;
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break;
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case bfd_mach_z80full:
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result_mach_type |= M_Z80FULL;
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break;
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case bfd_mach_r800:
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result_mach_type |= M_R800;
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break;
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default:
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result_mach_type |= M_Z80ANY;
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}
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return FALSE;
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}
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/* Set the machine type of the output file based on result_mach_type. */
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static void
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gldz80_after_open (void)
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{
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unsigned long mach_type;
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switch (result_mach_type)
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{
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case M_Z80STRICT:
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mach_type = bfd_mach_z80strict;
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break;
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case M_Z80:
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mach_type = bfd_mach_z80;
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break;
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case M_Z80FULL:
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mach_type = bfd_mach_z80full;
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break;
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case M_R800:
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mach_type = bfd_mach_r800;
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break;
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default:
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mach_type = 0;
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}
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bfd_set_arch_mach (output_bfd, bfd_arch_z80, mach_type);
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}
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/* --- \end{z80.em} */
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EOF
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