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Did some renaming and cleanup: Renamed EXPR_SEGMENT to EXPR_SECTION, since

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this is what it really is. Added a real EXPR_SECTION which is now used in
the linker to represent the run address of a segment, provided that it is
requested to be defined. Changed some named in use of EXPR_MEMAREA. Added
handling of the new EXPR_SEGMENT to both, the binary and o65 output format.


git-svn-id: svn://svn.cc65.org/cc65/trunk@1769 b7a2c559-68d2-44c3-8de9-860c34a00d81
This commit is contained in:
cuz
2002-12-14 22:57:00 +00:00
parent f47648ecfb
commit 0774fe273a
10 changed files with 236 additions and 125 deletions
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18
src/common/exprdefs.h
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@@ -56,9 +56,10 @@
/* Leaf node codes */
#define EXPR_LITERAL (EXPR_LEAFNODE | 0x01)
#define EXPR_SYMBOL (EXPR_LEAFNODE | 0x02)
#define EXPR_SEGMENT (EXPR_LEAFNODE | 0x03)
#define EXPR_MEMAREA (EXPR_LEAFNODE | 0x04) /* Linker only */
#define EXPR_ULABEL (EXPR_LEAFNODE | 0x05) /* Assembler only */
#define EXPR_SECTION (EXPR_LEAFNODE | 0x03)
#define EXPR_SEGMENT (EXPR_LEAFNODE | 0x04) /* Linker only */
#define EXPR_MEMAREA (EXPR_LEAFNODE | 0x05) /* Linker only */
#define EXPR_ULABEL (EXPR_LEAFNODE | 0x06) /* Assembler only */
/* Binary operations, left and right hand sides are valid */
#define EXPR_PLUS (EXPR_BINARYNODE | 0x01)
@@ -100,18 +101,19 @@
/* The expression node itself */
typedef struct ExprNode ExprNode;
struct ExprNode {
struct ExprNode {
unsigned char Op; /* Operand/Type */
ExprNode* Left; /* Left leaf */
ExprNode* Right; /* Right leaf */
struct ObjData* Obj; /* Object file reference (linker) */
struct ObjData* Obj; /* Object file reference (linker) */
union {
long Val; /* If this is a value */
struct SymEntry* Sym; /* If this is a symbol */
unsigned SegNum; /* If this is a segment */
unsigned ImpNum; /* If this is an import */
struct Memory* MemArea; /* If this is a memory area */
struct Section* Sec; /* If segment and Obj is NULL */
unsigned ImpNum; /* If this is an import */
struct Memory* Mem; /* If this is a memory area */
struct Segment* Seg; /* If this is a segment */
struct Section* Sec; /* If section and Obj is NULL */
} V;
};