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99 lines
2.0 KiB
C
99 lines
2.0 KiB
C
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#ifndef ASSEMBLE_AUX__H
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#define ASSEMBLE_AUX__H
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#include "stream2.h"
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#include "object.h"
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#include "extree.h"
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#define NO_REG 0777
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typedef struct addr_mode {
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unsigned type; /* The bits that represent the addressing mode */
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/* bits 0:2 are register number */
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/* bit 3 is indirect */
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/* bits 4:6 are mode, where 0=Rn, 1=(Rn)+,
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2=-(Rn), 3=offset(Rn) */
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int pcrel; /* the addressing mode is PC-relative */
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EX_TREE *offset; /* Expression giving the offset */
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} ADDR_MODE;
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#define MODE_INDIRECT 010 /* (R0), @(R0)+, @-(R0), @42(R0) */
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#define MODE_REG 000 /* R0 */
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#define MODE_AUTO_INCR 020 /* (R0)+ */
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#define MODE_AUTO_DECR 040 /* -(R0) */
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#define MODE_OFFSET 060 /* 42(R0) */
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#define MODE_PC 007
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void push_cond(
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int ok,
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STREAM *str);
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void pop_cond(
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int to);
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int express_sym_offset(
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EX_TREE *value,
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SYMBOL **sym,
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unsigned *offset);
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void change_dot(
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TEXT_RLD *tr,
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int size);
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int store_word(
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STREAM *str,
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TEXT_RLD *tr,
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int size,
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unsigned word);
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int store_limits(
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STREAM *str,
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TEXT_RLD *tr);
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void store_value(
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STACK *stack,
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TEXT_RLD *tr,
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int size,
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EX_TREE *value);
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int do_word(
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STACK *stack,
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TEXT_RLD *tr,
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char *cp,
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int size);
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SECTION *new_section(
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void);
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void go_section(
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TEXT_RLD *tr,
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SECTION *sect);
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void free_addr_mode(
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ADDR_MODE *mode);
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int eval_defined(
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EX_TREE *value);
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int eval_undefined(
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EX_TREE *value);
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void mode_extension(
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TEXT_RLD *tr,
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ADDR_MODE *mode,
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STREAM *str);
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int check_branch(
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STACK *stack,
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unsigned offset,
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int min,
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int max);
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unsigned get_register(
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EX_TREE *expr);
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void write_globals(
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FILE *obj);
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void migrate_implicit(
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void);
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void migrate_undefined(
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void);
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#endif
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