sdcc-3.9.0 fork implementing GNU assembler syntax

This fork aims to provide better support for stm8-binutils

1 files changed, 131 insertions, 0 deletions

diff --git a/src/SDCCmem.h b/src/SDCCmem.h
new file mode 100644
index 0000000..ddfea0b
--- /dev/null
+++ b/src/SDCCmem.h
@@ -0,0 +1,131 @@
+/*-----------------------------------------------------------------*/
+/* SDCCmem.h - header file for memory management                    */
+/*-----------------------------------------------------------------*/
+
+#ifndef SDCCMEM_H
+#define SDCCMEM_H
+
+#include <stdbool.h>
+#include <stdio.h>
+#include "dbuf.h"
+#include "SDCCsymt.h"
+
+struct set;
+struct value;
+struct eBBlock;
+
+typedef struct memmap
+  {
+    unsigned char pageno;       /* page no for this variable   */
+    const char *sname;          /* character prefix for map    */
+    char dbName;                /* debugger address space name */
+    int ptrType;                /* pointer Type for this space */
+    int slbl;                   /* label counter for space     */
+    unsigned sloc;              /* starting location           */
+    unsigned fmap:1;            /* 1 = 16bit addressing reqd   */
+    unsigned paged:1;           /* this is a paged mem space   */
+    unsigned direct:1;          /* 1 = indirect access only    */
+    unsigned bitsp:1;           /* 1 = bit addressable space   */
+    unsigned codesp:1;          /* 1 = code space              */
+    unsigned regsp:1;           /* 1 = sfr space               */
+    struct dbuf_s oBuf;         /* object buffer associated    */
+    struct set *syms;           /* symbols defined in this segment */
+  }
+memmap;
+
+/* For performance we might want to use a hash map instead of the linked list */
+typedef struct namedspacemap
+  {
+    char *name;
+    bool is_const;
+    memmap *map;
+    struct namedspacemap *next;
+  }
+namedspacemap;
+
+extern FILE *junkFile;
+
+/* memory map prefixes  MOF added the DATA,CODE,XDATA,BIT */
+#define  XSTACK_NAME       port->mem.xstack_name
+#define  ISTACK_NAME       port->mem.istack_name
+#define  CODE_NAME         port->mem.code_name
+#define  DATA_NAME         port->mem.data_name
+#define  INITIALIZED_NAME  port->mem.initialized_name
+#define  INITIALIZER_NAME  port->mem.initializer_name
+#define  IDATA_NAME        port->mem.idata_name
+#define  PDATA_NAME        port->mem.pdata_name
+#define  XDATA_NAME        port->mem.xdata_name
+#define  XIDATA_NAME       port->mem.xidata_name
+#define  XINIT_NAME        port->mem.xinit_name
+#define  BIT_NAME          port->mem.bit_name
+#define  REG_NAME          port->mem.reg_name
+#define  STATIC_NAME       port->mem.static_name
+#define  HOME_NAME         port->mem.home_name
+#define  OVERLAY_NAME      port->mem.overlay_name
+#define  CONST_NAME        port->mem.const_name
+#define  CABS_NAME         port->mem.cabs_name
+#define  XABS_NAME         port->mem.xabs_name
+#define  IABS_NAME         port->mem.iabs_name
+
+/* forward definition for variables */
+extern memmap *xstack;                 /* xternal stack data           */
+extern memmap *istack;                 /* internal stack               */
+extern memmap *code;                   /* code segment                 */
+extern memmap *data;                   /* internal data upto 128       */
+extern memmap *initialized;            /* initialized data, such as initalized, nonzero globals or local statics. */
+extern memmap *initializer;            /* a copy of the values for the initalized data from initialized in code space */
+extern memmap *pdata;                  /* paged external data upto 256 */
+extern memmap *xdata;                  /* external data                */
+extern memmap *xidata;                 /* the initialized xdata        */
+extern memmap *xinit;                  /* the initializers for xidata  */
+extern memmap *idata;                  /* internal data upto 256       */
+extern memmap *bit;                    /* bit addressable space        */
+extern memmap *statsg;                 /* static code segment          */
+extern memmap *c_abs;                  /* constant absolute data       */
+extern memmap *x_abs;                  /* absolute xdata/pdata         */
+extern memmap *i_abs;                  /* absolute idata upto 256      */
+extern memmap *d_abs;                  /* absolute data upto 128       */
+extern memmap *sfr;                    /* register space               */
+extern memmap *sfrbit;                 /* sfr bit space                */
+extern memmap *reg;                    /* register space               */
+extern memmap *generic;                /* unknown                      */
+extern memmap *overlay;                /* the overlay segment          */
+extern memmap *eeprom;                 /* eeprom space                 */
+extern memmap *home;                   /* Non-banked home space        */
+
+extern namedspacemap *namedspacemaps;
+
+extern int fatalError;
+
+extern struct set *ovrSetSets;
+
+/* easy access macros */
+#define IN_BITSPACE(map)        (map && map->bitsp)
+#define IN_STACK(x)  (IS_SPEC(x) && (SPEC_OCLS(x) == xstack || SPEC_OCLS(x) == istack ))
+#define IN_FARSPACE(map)        (map && map->fmap)
+#define IN_DIRSPACE(map)        (map && map->direct)
+#define IN_PAGEDSPACE(map)      (map && map->paged )
+#define IN_CODESPACE(map)       (map && map->codesp)
+#define IN_REGSP(map)           (map && map->regsp)
+#define PTR_TYPE(map)           (map ? (map->ptrType ? map->ptrType : POINTER)\
+                                     : port->unqualified_pointer)
+
+/* forward decls for functions    */
+memmap *allocMap (char, char, char, char, char, char, unsigned, const char *, char, int);
+void initMem ();
+bool defaultOClass (struct symbol *);
+void allocGlobal (struct symbol *);
+void allocLocal (struct symbol *);
+void allocParms (struct value *, bool smallc);
+void deallocParms (struct value *);
+void deallocLocal (struct symbol *);
+int allocVariables (struct symbol *);
+void overlay2Set ();
+void overlay2data ();
+void clearStackOffsets (void);
+void redoStackOffsets (void);
+void printAllocInfo (struct symbol *, struct dbuf_s *);
+void doOverlays (struct eBBlock **, int count);
+void deleteFromSeg(struct symbol *);
+#endif
+