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comparison lwasm/lwasm.h @ 190:563adfccb645

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Added 'sym=expr' opcode handling
author lost
date Sun, 22 Mar 2009 16:08:20 +0000
parents b061350c17e4
children 6ddc861a07d4
comparison
equal deleted inserted replaced
189:1936ea52b83e 190:563adfccb645
106 int nocodelen; // for "RMB" type instructions 106 int nocodelen; // for "RMB" type instructions
107 int addrset; // set if this instruction sets the assembly address 107 int addrset; // set if this instruction sets the assembly address
108 int symaddr; // set if this instruction sets a symbol addr with EQU or the like 108 int symaddr; // set if this instruction sets a symbol addr with EQU or the like
109 int badop; // bad operation - ignore it 109 int badop; // bad operation - ignore it
110 int context; // the symbol context for this line 110 int context; // the symbol context for this line
111 int forceglobal; // force a "global" symbol definition if constant
111 112
112 // the following are used for obj format - for external references, inter-section 113 // the following are used for obj format - for external references, inter-section
113 // references, and intrasection relocations 114 // references, and intrasection relocations
114 int relocoff; // offset into insn where relocation value goes 115 int relocoff; // offset into insn where relocation value goes
115 lwasm_expr_stack_t *exprs[4]; // non-constant expression values 116 lwasm_expr_stack_t *exprs[4]; // non-constant expression values
123 #define SYMBOL_SET 1 // the symbol was used for "SET" 124 #define SYMBOL_SET 1 // the symbol was used for "SET"
124 #define SYMBOL_COMPLEX 2 // register symbol as a complex symbol (from l -> expr) 125 #define SYMBOL_COMPLEX 2 // register symbol as a complex symbol (from l -> expr)
125 #define SYMBOL_FORCE 4 // force resetting the symbol value if it already exists on pass 2 126 #define SYMBOL_FORCE 4 // force resetting the symbol value if it already exists on pass 2
126 #define SYMBOL_NORM 0 // no flags 127 #define SYMBOL_NORM 0 // no flags
127 #define SYMBOL_EXTERN 8 // the symbol is an external reference 128 #define SYMBOL_EXTERN 8 // the symbol is an external reference
129 #define SYMBOL_GLOBAL 16 // force global if non-complex symbol
128 typedef struct lwasm_symbol_ent_s lwasm_symbol_ent_t; 130 typedef struct lwasm_symbol_ent_s lwasm_symbol_ent_t;
129 struct lwasm_symbol_ent_s 131 struct lwasm_symbol_ent_s
130 { 132 {
131 char *sym; // the symbol 133 char *sym; // the symbol
132 int context; // the context number of the symbol (-1 for global) 134 int context; // the context number of the symbol (-1 for global)