diff options
author | H. Peter Anvin <hpa@zytor.com> | 2008-06-09 17:40:16 -0700 |
---|---|---|
committer | H. Peter Anvin <hpa@zytor.com> | 2008-06-09 17:40:16 -0700 |
commit | fcb8909749b2a159ba7f32fec7df8e465a974f77 (patch) | |
tree | 59a257a1d223ca0ed0f3e410830b0cc8544804d0 /nasmlib.c | |
parent | 35d620d2fdd6bfb1502c7db60ad8331edf74354e (diff) | |
download | nasm-fcb8909749b2a159ba7f32fec7df8e465a974f77.tar.gz nasm-fcb8909749b2a159ba7f32fec7df8e465a974f77.tar.bz2 nasm-fcb8909749b2a159ba7f32fec7df8e465a974f77.zip |
Move all the RAA code out of nasmlib
The RAA code doesn't have to be in nasmlib; it is only used by nasm
itself, and is better handled in a separate module.
Diffstat (limited to 'nasmlib.c')
-rw-r--r-- | nasmlib.c | 93 |
1 files changed, 0 insertions, 93 deletions
@@ -469,99 +469,6 @@ void standard_extension(char *inname, char *outname, char *extension, strcpy(p, extension); } -#define LEAFSIZ (sizeof(RAA)-sizeof(RAA_UNION)+sizeof(RAA_LEAF)) -#define BRANCHSIZ (sizeof(RAA)-sizeof(RAA_UNION)+sizeof(RAA_BRANCH)) - -#define LAYERSHIFT(r) ( (r)->layers==0 ? RAA_BLKSHIFT : RAA_LAYERSHIFT ) - -static struct RAA *real_raa_init(int layers) -{ - struct RAA *r; - int i; - - if (layers == 0) { - r = nasm_zalloc(LEAFSIZ); - r->shift = 0; - } else { - r = nasm_malloc(BRANCHSIZ); - r->layers = layers; - for (i = 0; i < RAA_LAYERSIZE; i++) - r->u.b.data[i] = NULL; - r->shift = (RAA_BLKSHIFT-RAA_LAYERSHIFT) + layers*RAA_LAYERSHIFT; - } - return r; -} - -struct RAA *raa_init(void) -{ - return real_raa_init(0); -} - -void raa_free(struct RAA *r) -{ - if (r->layers) { - struct RAA **p; - for (p = r->u.b.data; p - r->u.b.data < RAA_LAYERSIZE; p++) - if (*p) - raa_free(*p); - } - nasm_free(r); -} - -int64_t raa_read(struct RAA *r, int32_t posn) -{ - if ((uint32_t)posn >= (UINT32_C(1) << (r->shift + LAYERSHIFT(r)))) - return 0; /* Return 0 for undefined entries */ - while (r->layers > 0) { - int32_t l = posn >> r->shift; - posn &= (UINT32_C(1) << r->shift)-1; - r = r->u.b.data[l]; - if (!r) - return 0; /* Return 0 for undefined entries */ - } - return r->u.l.data[posn]; -} - -struct RAA *raa_write(struct RAA *r, int32_t posn, int64_t value) -{ - struct RAA *result; - - if (posn < 0) - nasm_malloc_error(ERR_PANIC, "negative position in raa_write"); - - while ((UINT32_C(1) << (r->shift+LAYERSHIFT(r))) <= (uint32_t)posn) { - /* - * Must add a layer. - */ - struct RAA *s; - int i; - - s = nasm_malloc(BRANCHSIZ); - for (i = 0; i < RAA_LAYERSIZE; i++) - s->u.b.data[i] = NULL; - s->layers = r->layers + 1; - s->shift = LAYERSHIFT(r) + r->shift; - s->u.b.data[0] = r; - r = s; - } - - result = r; - - while (r->layers > 0) { - struct RAA **s; - int32_t l = posn >> r->shift; - posn &= (UINT32_C(1) << r->shift)-1; - s = &r->u.b.data[l]; - if (!*s) - *s = real_raa_init(r->layers - 1); - r = *s; - } - - r->u.l.data[posn] = value; - - return result; -} - /* * Common list of prefix names */ |