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https://github.com/lua/lua
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better support for 64-bit machines
This commit is contained in:
Roberto Ierusalimschy
parent
087df82a61
commit
2f82bf6fe9
4
lapi.c
4
lapi.c
@ -1,5 +1,5 @@
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/*
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** $Id: lapi.c,v 2.18 2004/08/30 13:44:44 roberto Exp roberto $
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** $Id: lapi.c,v 2.19 2004/09/15 20:39:42 roberto Exp roberto $
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** Lua API
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** See Copyright Notice in lua.h
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*/
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@ -842,7 +842,7 @@ LUA_API int lua_gc (lua_State *L, int what, int data) {
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g = G(L);
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switch (what) {
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case LUA_GCSTOP: {
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g->GCthreshold = MAXLMEM;
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g->GCthreshold = MAX_LUMEM;
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break;
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}
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case LUA_GCRESTART: {
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4
lgc.c
4
lgc.c
@ -1,5 +1,5 @@
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/*
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** $Id: lgc.c,v 2.14 2004/10/08 16:00:34 roberto Exp roberto $
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** $Id: lgc.c,v 2.15 2004/11/19 15:52:40 roberto Exp roberto $
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** Garbage Collector
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** See Copyright Notice in lua.h
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*/
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@ -555,7 +555,7 @@ static void atomic (lua_State *L) {
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g->sweepgc = &g->rootgc;
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g->gcstate = GCSsweepstring;
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aux = g->gcgenerational;
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g->gcgenerational = (g->estimate <= 4*g->prevestimate/2);
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g->gcgenerational = (g->estimate/2 <= g->prevestimate);
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if (!aux) /* last collection was full? */
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g->prevestimate = g->estimate; /* keep estimate of last full collection */
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g->estimate = g->totalbytes - udsize; /* first estimate */
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23
llimits.h
23
llimits.h
@ -1,5 +1,5 @@
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/*
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** $Id: llimits.h,v 1.59 2004/06/23 15:57:29 roberto Exp roberto $
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** $Id: llimits.h,v 1.60 2004/09/10 17:30:46 roberto Exp roberto $
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** Limits, basic types, and some other `installation-dependent' definitions
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** See Copyright Notice in lua.h
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*/
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@ -18,22 +18,9 @@
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typedef LUA_UINT32 lu_int32;
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typedef LUA_INT32 l_int32;
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typedef LU_MEM lu_mem;
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/*
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** an unsigned integer big enough to count the total memory used by Lua;
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** it should be at least as large as `size_t'
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*/
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typedef lu_int32 lu_mem;
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/*
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** a signed integer big enough to count the total memory used by Lua;
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** it should be at least as large as `size_t'
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*/
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typedef l_int32 l_mem;
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#define MAXLMEM LUA_MAXINT32
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typedef L_MEM l_mem;
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@ -43,6 +30,8 @@ typedef unsigned char lu_byte;
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#define MAX_SIZET ((size_t)(~(size_t)0)-2)
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#define MAX_LUMEM ((lu_mem)(~(lu_mem)0)-2)
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#define MAX_INT (INT_MAX-2) /* maximum value of an int (-2 for safety) */
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@ -51,7 +40,7 @@ typedef unsigned char lu_byte;
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** this is for hashing only; there is no problem if the integer
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** cannot hold the whole pointer value
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*/
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#define IntPoint(p) ((unsigned int)(p))
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#define IntPoint(p) ((unsigned int)(lu_mem)(p))
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54
luaconf.h
54
luaconf.h
@ -1,5 +1,5 @@
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/*
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** $Id: luaconf.h,v 1.15 2004/10/18 18:07:31 roberto Exp roberto $
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** $Id: luaconf.h,v 1.16 2004/11/18 19:53:49 roberto Exp roberto $
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** Configuration file for Lua
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** See Copyright Notice in lua.h
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*/
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@ -46,8 +46,11 @@
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#define LUA_NUMBER_FMT "%.14g"
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/* type for integer functions */
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#define LUA_INTEGER long
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/*
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** type for integer functions
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** on most machines, `ptrdiff_t' gives a reasonable size for integers
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*/
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#define LUA_INTEGER ptrdiff_t
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/* mark for all API functions */
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@ -130,12 +133,38 @@
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#define api_check(L,o) lua_assert(o)
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/* an unsigned integer with at least 32 bits */
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#define LUA_UINT32 unsigned long
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/* number of bits in an `int' */
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/* avoid overflows in comparison */
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#if INT_MAX-20 < 32760
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#define LUA_BITSINT 16
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#elif INT_MAX > 2147483640L
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/* `int' has at least 32 bits */
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#define LUA_BITSINT 32
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#else
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#error "you must define LUA_BITSINT with number of bits in an integer"
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#endif
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/* a signed integer with at least 32 bits */
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/*
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** L_UINT32: unsigned integer with at least 32 bits
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** L_INT32: signed integer with at least 32 bits
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** LU_MEM: an unsigned integer big enough to count the total memory used by Lua
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** L_MEM: a signed integer big enough to count the total memory used by Lua
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*/
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#if LUA_BITSINT >= 32
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#define LUA_UINT32 unsigned int
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#define LUA_INT32 int
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#define LUA_MAXINT32 INT_MAX
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#define LU_MEM size_t
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#define L_MEM ptrdiff_t
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#else
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/* 16-bit ints */
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#define LUA_UINT32 unsigned long
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#define LUA_INT32 long
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#define LUA_MAXINT32 LONG_MAX
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#define LU_MEM LUA_UINT32
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#define L_MEM ptrdiff_t
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#endif
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/* maximum depth for calls (unsigned short) */
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@ -174,7 +203,7 @@
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/* function to convert a lua_Number to int (with any rounding method) */
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#if defined(__GNUC__) && defined(__i386)
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#define lua_number2int(i,d) __asm__ ("fistpl %0":"=m"(i):"t"(d):"st")
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#elif 0
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#elif defined(__STDC_VERSION__) && (__STDC_VERSION__ >= 199900L)
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/* on machines compliant with C99, you can try `lrint' */
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#include <math.h>
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#define lua_number2int(i,d) ((i)=lrint(d))
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@ -199,17 +228,6 @@
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#define LUA_UACNUMBER double
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/* number of bits in an `int' */
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/* avoid overflows in comparison */
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#if INT_MAX-20 < 32760
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#define LUA_BITSINT 16
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#elif INT_MAX > 2147483640L
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/* machine has at least 32 bits */
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#define LUA_BITSINT 32
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#else
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#error "you must define LUA_BITSINT with number of bits in an integer"
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#endif
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/* type to ensure maximum alignment */
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#define LUSER_ALIGNMENT_T union { double u; void *s; long l; }
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