--- /dev/null
+#include <stdio.h>
+#include <stdlib.h>
+#include <stdint.h>
+#include <errno.h>
+#include <string.h>
+#include <stdlib.h>
+#include <apc/ir.h>
+#include <unistd.h>
+
+struct cdat*
+alloc_cdat(void);
+struct odat*
+alloc_odat(void);
+void
+alloc_vdat(void);
+struct link*
+alloc_link(void);
+struct ref*
+alloc_ref(void);
+struct cdat*
+curr_cdat(void);
+struct odat*
+curr_odat(void);
+struct vdat*
+curr_vdat(void);
+struct set*
+curr_set(void);
+struct ref*
+curr_ref(void);
+struct model*
+curr_model(void);
+void
+inc_posts(void);
+
+#define PAGES_PER_CHUNK 16
+
+//"type free" chunk stacking
+struct chunk_stack
+{ void* chunks[MAX_CHUNKS];
+ void* *csp; //chunk stack pointer
+ void* dsp[MAX_CHUNKS]; //dat stack pointer (per chunk)
+ int chunk_size; //size of a chunk (including its forfeited page)
+ int max_dats; //number of dats per chunk for this stack
+} ocs, vcs, ccs, rcs, lcs, pcs; //odat, vdat, and cdat, ref, link, post stacks
+
+//type safety handled by macro expansion (do not call these directly from code, make dependent macros for access to these)
+#define CHUNKS_LEN(STACK) ((STACK).csp - (STACK).chunks)
+#define CURRENT_CHUNK(STACK) ((STACK).chunks[CHUNKS_LEN(STACK) - 1])
+#define CHUNKS_FULL(STACK) ( (STACK).csp >= \
+ (STACK).chunks + MAX_CHUNKS * (STACK).chunk_size)
+#define CURRENT_DSP(STACK,TYPE) ((TYPE*) ((STACK).dsp[CHUNKS_LEN(STACK) - 1]))
+#define DATA_FULL(STACK,TYPE) ((void*) CURRENT_DSP(STACK,TYPE) >= \
+ (CURRENT_CHUNK(STACK) + (STACK).chunk_size))
+#define CSP_PUSH(STACK) (*(++(STACK).csp) = malloc((STACK).chunk_size))
+#define CURRENT_DATP(STACK,TYPE) (((TYPE**)(STACK).dsp)[CHUNKS_LEN(STACK) - 1])
+#define PREVIOUS_DATP(STACK,TYPE) (((TYPE**)(STACK).dsp)[CHUNKS_LEN(STACK) - 2])
+#define ALLOC_DAT(STACK,TYPE) (++CURRENT_DATP(STACK,TYPE))
+#define INIT_STACK(STACK,TYPE) \
+ { int i; \
+ (STACK).chunk_size = PAGES_PER_CHUNK * pagesize; \
+ (STACK).max_dats = (STACK).chunk_size / sizeof (TYPE); \
+ CSP_PUSH(STACK); \
+ for( i = 0; i < MAX_CHUNKS; i++){ \
+ (STACK).dsp[i] += pagesize; \
+ } \
+ }
+//Stack-specific macros (called directly from code (safety enforcement)
+#define INIT_ODAT() (INIT_STACK(ocs, struct odat))
+#define CURRENT_ODAT() (CURRENT_DATP(ocs,struct odat))
+#define ODAT_FULL() (DATA_FULL(ocs,struct odat))
+#define ODAT_ALLOC() (ALLOC_DAT(ocs,struct odat))
+#define OCS_FULL() (CHUNKS_FULL(ocs))
+#define INIT_VDAT() (INIT_STACK(vcs, struct vdat))
+#define CURRENT_VDAT() (CURRENT_DATP(vcs,struct vdat))
+#define VDAT_FULL() (DATA_FULL(vcs,struct vdat))
+#define VDAT_ALLOC() (ALLOC_DAT(vcs,struct vdat))
+#define VCS_FULL() (CHUNKS_FULL(vcs))
+#define INIT_CDAT() (INIT_STACK(ccs, struct cdat))
+#define CURRENT_CDAT() (CURRENT_DATP(ccs,struct cdat))
+#define CDAT_FULL() (DATA_FULL(ccs, struct cdat))
+#define CDAT_ALLOC() (ALLOC_DAT(ccs, struct cdat))
+#define CCS_FULL() (CHUNKS_FULL(ccs))
+#define INIT_LINK() (INIT_STACK(lcs, struct link))
+#define CURRENT_LINK() (CURRENT_DATP(lcs,struct link))
+#define LDAT_FULL() (DATA_FULL(lcs, struct link))
+#define LDAT_ALLOC() (ALLOC_DAT(lcs, struct link))
+#define LCS_FULL() (CHUNKS_FULL(lcs))
+#define INIT_POST() (INIT_STACK(rcs, struct ref))
+#define CURRENT_POST() (CURRENT_DATP(pcs,struct ref))
+#define POST_FULL() (DATA_FULL(pcs,struct ref))
+#define POST_ALLOC() (ALLOC_DAT(pcs,struct ref))
+#define PCS_FULL() (CHUNKS_FULL(pcs))
+#define INIT_REF() (INIT_STACK(rcs, struct ref))
+#define CURRENT_REF() (CURRENT_DATP(rcs,struct ref))
+#define PREVIOUS_REF() (PREVIOUS_DATP(rcs, struct ref))
+#define REF_FULL() (DATA_FULL(rcs,struct ref))
+#define REF_ALLOC() (ALLOC_DAT(rcs,struct ref))
+#define RCS_FULL() (CHUNKS_FULL(rcs))
+//Metadata
+#define CURRENT_SET() (CURRENT_CDAT()->set_list[CURRENT_CDAT()->num_sets])
+#define CURRENT_MODEL() (CURRENT_VDAT()->model_list[CURRENT_VDAT()->num_models])
+
+
+#define CURR_QUAD (CURR_ODAT->quad_file)
+
+long pagesize;
+
+int num_cdats = 0;
+
+struct cdat* cdat_stack[MAX_CLASSES];
+struct cdat** cdat_stackp;
+
+int num_odats = 0;
+
+int num_vdats = 0;
+
+int num_refs = 0;
+uint64_t ss_ref_id = 0x00FFFFFF; /* system space for ref_ids */
+
+int num_posts = 0;
+
+int num_links = 0;
+
+
+/* The initalization function of the IR. */
+int
+ir_init()
+{
+
+ char root[4] = "root";
+
+ pagesize = sysconf(_SC_PAGESIZE);
+
+ INIT_CDAT();
+ *cdat_stackp = CURRENT_CDAT();
+ memmove((*cdat_stackp)->name, root, 32);
+
+ INIT_ODAT();
+ INIT_VDAT();
+ INIT_LINK();
+ INIT_REF();
+ INIT_POST();
+
+
+ return 0;
+
+}
+
+void
+ir_quit()
+{
+ int i;
+
+ for(i = 0; i < CHUNKS_LEN(ccs) ; i++)
+ {
+ free(ccs.chunks[i]);
+ }
+ for(i = 0; i < CHUNKS_LEN(ocs); i++)
+ {
+ free(ocs.chunks[i]);
+ }
+ for(i = 0; i < CHUNKS_LEN(vcs) ; i++)
+ {
+ free(vcs.chunks[i]);
+ }
+ for(i = 0; i < CHUNKS_LEN(rcs); i++)
+ {
+ free(rcs.chunks[i]);
+ }
+ for(i = 0; i < CHUNKS_LEN(lcs); i++)
+ {
+ free(lcs.chunks[i]);
+ }
+ for(i = 0; i < CHUNKS_LEN(pcs); i++)
+ {
+ free(pcs.chunks[i]);
+ }
+
+}
+
+struct cdat*
+alloc_cdat()
+{
+ num_cdats++;
+ if(CDAT_FULL())
+ { if(CCS_FULL())
+ { fprintf(stderr, "You have allocated to many (%d) cdats ", num_cdats);
+ exit(EXIT_FAILURE);
+ }
+ else
+ CSP_PUSH(ccs);
+ }
+ else
+ CDAT_ALLOC();
+
+ return CURRENT_CDAT();
+}
+
+//these should probably be inline
+struct odat*
+alloc_odat
+()
+{
+ num_odats++;
+ if(ODAT_FULL())
+ { if(!OCS_FULL())
+ { fprintf(stderr, "You have allocated to many (%d) odats ", num_odats);
+ exit(EXIT_FAILURE);
+ }
+ else
+ CSP_PUSH(ocs);
+ }
+ else
+ ODAT_ALLOC();
+
+ return CURRENT_ODAT();
+}
+
+void
+alloc_vdat
+()
+{ num_vdats++;
+ if(VDAT_FULL())
+ { if(!VCS_FULL())
+ { fprintf(stderr, "You have allocated to many (%d) vdats ", num_vdats);
+ exit(EXIT_FAILURE);
+ }
+ else
+ CSP_PUSH(vcs);
+ }
+ else
+ VDAT_ALLOC();
+}
+
+struct link*
+alloc_link
+()
+{ num_links++;
+ if(LDAT_FULL())
+ { if(!LCS_FULL())
+ { fprintf(stderr, "You have allocated to many (%d) links ", num_links);
+ exit(EXIT_FAILURE);
+ }
+ else
+ CSP_PUSH(lcs);
+ }
+ else
+ LDAT_ALLOC();
+
+ return CURRENT_LINK();
+
+}
+
+struct ref*
+alloc_ref
+()
+{ num_refs++;
+ if(REF_FULL())
+ { if(!RCS_FULL())
+ { fprintf(stderr, "You have allocated to many (%d) refs ", num_refs);
+ exit(EXIT_FAILURE);
+ }
+ else
+ CSP_PUSH(rcs);
+ }
+ else
+ REF_ALLOC();
+
+
+ if(num_refs % 16 == 0)
+ { CURRENT_POST() = CURRENT_REF();
+ inc_posts();
+ }
+
+ return CURRENT_REF();
+}
+
+void
+inc_posts()
+{ num_posts++;
+ if(POST_FULL())
+ { if(!PCS_FULL())
+ { fprintf(stderr, "You have allocated to many (%d) refs ", num_posts);
+ exit(EXIT_FAILURE);
+ }
+ else
+ CSP_PUSH(pcs);
+ }
+ else
+ POST_ALLOC();
+
+}
+
+struct cdat*
+curr_cdat
+()
+{
+ return (*cdat_stackp);
+}
+
+struct odat*
+curr_odat
+()
+{
+ return CURRENT_ODAT();
+}
+struct vdat*
+curr_vdat
+()
+{
+ return CURRENT_VDAT();
+}
+struct set*
+curr_set
+()
+{
+ return &CURRENT_SET();
+}
+struct ref*
+curr_ref
+()
+{
+ return CURRENT_REF();
+}
+struct model*
+curr_model
+()
+{
+ return &CURRENT_MODEL();
+}
projects / henge / webcc.git / blobdiff