mirror of
https://github.com/Ponce/slackbuilds
synced 2024-11-21 19:42:24 +01:00
103 lines
3.5 KiB
Diff
103 lines
3.5 KiB
Diff
Add missing GC steps for io.* functions.
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MIPS: Fix cache flush/sync for JIT-compiled code jump area.
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ARM: Fix cache flush/sync for exit stubs of JIT-compiled code.
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Fix MSVC intrinsics for older versions.
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Fix memory access check for fast string interning.
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--- a/src/lib_io.c
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+++ b/src/lib_io.c
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@@ -17,6 +17,7 @@
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#include "lualib.h"
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#include "lj_obj.h"
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+#include "lj_gc.h"
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#include "lj_err.h"
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#include "lj_str.h"
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#include "lj_state.h"
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@@ -152,6 +153,7 @@ static int io_file_readline(lua_State *L, FILE *fp, MSize chop)
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if (n >= m - 64) m += m;
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}
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setstrV(L, L->top++, lj_str_new(L, buf, (size_t)n));
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+ lj_gc_check(L);
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return (int)ok;
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}
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@@ -163,6 +165,7 @@ static void io_file_readall(lua_State *L, FILE *fp)
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n += (MSize)fread(buf+n, 1, m-n, fp);
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if (n != m) {
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setstrV(L, L->top++, lj_str_new(L, buf, (size_t)n));
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+ lj_gc_check(L);
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return;
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}
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}
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@@ -174,6 +177,7 @@ static int io_file_readlen(lua_State *L, FILE *fp, MSize m)
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char *buf = lj_str_needbuf(L, &G(L)->tmpbuf, m);
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MSize n = (MSize)fread(buf, 1, m, fp);
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setstrV(L, L->top++, lj_str_new(L, buf, (size_t)n));
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+ lj_gc_check(L);
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return (n > 0 || m == 0);
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} else {
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int c = getc(fp);
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--- a/src/lj_asm_arm.h
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+++ b/src/lj_asm_arm.h
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@@ -91,6 +91,7 @@ static MCode *asm_exitstub_gen(ASMState *as, ExitNo group)
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*mxp++ = group*EXITSTUBS_PER_GROUP;
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for (i = 0; i < EXITSTUBS_PER_GROUP; i++)
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*mxp++ = ARMI_B|((-6-i)&0x00ffffffu);
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+ lj_mcode_sync(as->mcbot, mxp);
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lj_mcode_commitbot(as->J, mxp);
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as->mcbot = mxp;
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as->mclim = as->mcbot + MCLIM_REDZONE;
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--- a/src/lj_asm_mips.h
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+++ b/src/lj_asm_mips.h
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@@ -71,6 +71,7 @@ static void asm_sparejump_setup(ASMState *as)
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memset(mxp+2, 0, MIPS_SPAREJUMP*8);
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mxp += MIPS_SPAREJUMP*2;
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lua_assert(mxp < as->mctop);
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+ lj_mcode_sync(as->mcbot, mxp);
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lj_mcode_commitbot(as->J, mxp);
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as->mcbot = mxp;
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as->mclim = as->mcbot + MCLIM_REDZONE;
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--- a/src/lj_def.h
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+++ b/src/lj_def.h
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@@ -243,17 +243,17 @@ static LJ_AINLINE uint32_t lj_getu32(const void *p)
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#endif
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#ifdef _M_PPC
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-#pragma intrinsic(_CountLeadingZeros)
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unsigned int _CountLeadingZeros(long);
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+#pragma intrinsic(_CountLeadingZeros)
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static LJ_AINLINE uint32_t lj_fls(uint32_t x)
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{
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return _CountLeadingZeros(x) ^ 31;
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}
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#else
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-#pragma intrinsic(_BitScanForward)
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-#pragma intrinsic(_BitScanReverse)
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unsigned char _BitScanForward(uint32_t *, unsigned long);
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unsigned char _BitScanReverse(uint32_t *, unsigned long);
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+#pragma intrinsic(_BitScanForward)
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+#pragma intrinsic(_BitScanReverse)
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static LJ_AINLINE uint32_t lj_ffs(uint32_t x)
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{
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--- a/src/lj_str.c
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+++ b/src/lj_str.c
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@@ -48,7 +48,7 @@ static LJ_AINLINE int str_fastcmp(const char *a, const char *b, MSize len)
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{
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MSize i = 0;
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lua_assert(len > 0);
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- lua_assert((((uintptr_t)a + len) & (LJ_PAGESIZE-1)) <= LJ_PAGESIZE-4);
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+ lua_assert((((uintptr_t)a+len-1) & (LJ_PAGESIZE-1)) <= LJ_PAGESIZE-4);
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do { /* Note: innocuous access up to end of string + 3. */
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uint32_t v = lj_getu32(a+i) ^ *(const uint32_t *)(b+i);
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if (v) {
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@@ -121,7 +121,7 @@ GCstr *lj_str_new(lua_State *L, const char *str, size_t lenx)
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h ^= b; h -= lj_rol(b, 16);
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/* Check if the string has already been interned. */
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o = gcref(g->strhash[h & g->strmask]);
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- if (LJ_LIKELY((((uintptr_t)str + len) & (LJ_PAGESIZE-1)) <= LJ_PAGESIZE-4)) {
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+ if (LJ_LIKELY((((uintptr_t)str+len-1) & (LJ_PAGESIZE-1)) <= LJ_PAGESIZE-4)) {
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while (o != NULL) {
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GCstr *sx = gco2str(o);
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if (sx->len == len && str_fastcmp(str, strdata(sx), len) == 0) {
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