105 void Seg__cmp(Seg* seg, Addr a, Int* cmp, UWord* n)  in Seg__cmp()  argument
107    if (a < seg->addr) {  in Seg__cmp()
109       *n   = seg->addr - a;  in Seg__cmp()
110    } else if (a < seg->addr + seg->szB && seg->szB > 0) {  in Seg__cmp()
112       *n = a - seg->addr;  in Seg__cmp()
115       *n = a - (seg->addr + seg->szB);  in Seg__cmp()
119 /*inline*/ Bool Seg__is_freed(Seg* seg)  in Seg__is_freed()  argument
121    if (!is_known_segment(seg))  in Seg__is_freed()
124       return seg->nextfree != (Seg*)1;  in Seg__is_freed()
127 ExeContext* Seg__where(Seg* seg)  in Seg__where()  argument
129    tl_assert(is_known_segment(seg));  in Seg__where()
130    return seg->ec;  in Seg__where()
133 SizeT Seg__size(Seg* seg)  in Seg__size()  argument
135    tl_assert(is_known_segment(seg));  in Seg__size()
136    return seg->szB;  in Seg__size()
139 Addr Seg__addr(Seg* seg)  in Seg__addr()  argument
141    tl_assert(is_known_segment(seg));  in Seg__addr()
142    return seg->addr;  in Seg__addr()
193    Seg* seg;  in get_Seg_for_malloc()  local
195       seg = new_Seg();  in get_Seg_for_malloc()
196       seg->nextfree = (Seg*)1;  in get_Seg_for_malloc()
197       return seg;  in get_Seg_for_malloc()
203    seg = freesegs_oldest;  in get_Seg_for_malloc()
204    freesegs_oldest = seg->nextfree;  in get_Seg_for_malloc()
206    seg->nextfree = (Seg*)1;  in get_Seg_for_malloc()
208    return seg;  in get_Seg_for_malloc()
211 static void set_Seg_freed ( Seg* seg )  in set_Seg_freed()  argument
213    tl_assert(seg);  in set_Seg_freed()
214    tl_assert(!Seg__is_freed(seg));  in set_Seg_freed()
218       seg->nextfree = NULL;  in set_Seg_freed()
219       freesegs_youngest = seg;  in set_Seg_freed()
220       freesegs_oldest = seg;  in set_Seg_freed()
231       tl_assert(seg != freesegs_youngest && seg != freesegs_oldest);  in set_Seg_freed()
232       seg->nextfree = NULL;  in set_Seg_freed()
233       freesegs_youngest->nextfree = seg;  in set_Seg_freed()
234       freesegs_youngest = seg;  in set_Seg_freed()
261 static void bind_addr_to_Seg ( Addr ga, Seg* seg )  in bind_addr_to_Seg()  argument
265    b = VG_(addToFM)( addr_to_seg_map, (UWord)ga, (UWord)seg );  in bind_addr_to_Seg()
288    Seg* seg = get_Seg_for_malloc();  in add_new_segment()  local
289    tl_assert(seg != (Seg*)1); /* since we're using 1 as a special value */  in add_new_segment()
290    seg->addr = p;  in add_new_segment()
291    seg->szB  = size;  in add_new_segment()
292    seg->ec   = VG_(record_ExeContext)( tid, 0/*first_ip_delta*/ );  in add_new_segment()
293    tl_assert(!Seg__is_freed(seg));  in add_new_segment()
295    bind_addr_to_Seg(p, seg);  in add_new_segment()
297    return seg;  in add_new_segment()
319 static void die_and_free_mem_heap ( ThreadId tid, Seg* seg )  in die_and_free_mem_heap()  argument
322    tl_assert(!Seg__is_freed(seg));  in die_and_free_mem_heap()
324    VG_(cli_free)( (void*)seg->addr );  in die_and_free_mem_heap()
327    seg->ec = VG_(record_ExeContext)( tid, 0/*first_ip_delta*/ );  in die_and_free_mem_heap()
329    set_Seg_freed(seg);  in die_and_free_mem_heap()
330    unbind_addr_from_Seg( seg->addr );  in die_and_free_mem_heap()
337    Seg* seg = find_Seg_by_addr( (Addr)p );  in handle_free_heap()  local
338    if (!seg) {  in handle_free_heap()
342    die_and_free_mem_heap( tid, seg );  in handle_free_heap()
410    Seg* seg;  in h_replace_realloc()  local
413    seg = find_Seg_by_addr( (Addr)p_old );  in h_replace_realloc()
414    if (!seg)  in h_replace_realloc()
417    tl_assert(seg->addr == (Addr)p_old);  in h_replace_realloc()
419    if (new_size <= seg->szB) {  in h_replace_realloc()
425       die_and_free_mem_heap( tid, seg );  in h_replace_realloc()
436       VG_(memcpy)((void*)p_new, p_old, seg->szB);  in h_replace_realloc()
439       die_and_free_mem_heap( tid, seg );  in h_replace_realloc()
454    Seg* seg = find_Seg_by_addr( (Addr)p );  in h_replace_malloc_usable_size()  local
458    return ( seg ? seg->szB : 0 );  in h_replace_malloc_usable_size()