gh-mirror/mikepaul-LuaJIT
1
0
Fork 0
mirror of https://github.com/LuaJIT/LuaJIT.git synced 2025-04-19 21:43:27 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

Fix -Warray-bounds warnings on gcc

Browse Source 
With optimizations/inlining enabled GCC complains about gl - 10
resulting in a pointer to invalid memory when Dst is an array type
rather than a pointer.
This commit is contained in:
Ilija Tovilo 2023-03-06 18:39:32 +01:00
parent 505e2c03de
commit 2be049069f
No known key found for this signature in database
GPG Key ID: A4F5D403F118200A
5 changed files with 75 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

16
dynasm/dasm_arm.h
View File

@ -9,6 +9,20 @@
#include <string.h> #include <string.h>
#include <stdlib.h> #include <stdlib.h>
#if defined(_MSC_VER) && (_MSC_VER < 1700)
/* Old MSVC is stuck in the last century and doesn't have C99's stdint.h. */
#ifdef _WIN64
typedef unsigned __int64 uintptr_t;
#else
typedef unsigned __int32 uintptr_t;
#endif
#elif defined(__symbian__)
/* Cough. */
typedef unsigned int uintptr_t;
#else
#include <stdint.h>
#endif
#define DASM_ARCH "arm" #define DASM_ARCH "arm"
#ifndef DASM_EXTERN #ifndef DASM_EXTERN
@ -123,7 +137,7 @@ void dasm_free(Dst_DECL)
void dasm_setupglobal(Dst_DECL, void **gl, unsigned int maxgl) void dasm_setupglobal(Dst_DECL, void **gl, unsigned int maxgl)
{ {
dasm_State *D = Dst_REF; dasm_State *D = Dst_REF;
D->globals = gl - 10; /* Negative bias to compensate for locals. */ D->globals = (void **)((uintptr_t)gl - 10); /* Negative bias to compensate for locals. */
DASM_M_GROW(Dst, int, D->lglabels, D->lgsize, (10+maxgl)*sizeof(int)); DASM_M_GROW(Dst, int, D->lglabels, D->lgsize, (10+maxgl)*sizeof(int));
} }

16
dynasm/dasm_arm64.h
View File

@ -9,6 +9,20 @@
#include <string.h> #include <string.h>
#include <stdlib.h> #include <stdlib.h>
#if defined(_MSC_VER) && (_MSC_VER < 1700)
/* Old MSVC is stuck in the last century and doesn't have C99's stdint.h. */
#ifdef _WIN64
typedef unsigned __int64 uintptr_t;
#else
typedef unsigned __int32 uintptr_t;
#endif
#elif defined(__symbian__)
/* Cough. */
typedef unsigned int uintptr_t;
#else
#include <stdint.h>
#endif
#define DASM_ARCH "arm64" #define DASM_ARCH "arm64"
#ifndef DASM_EXTERN #ifndef DASM_EXTERN
@ -125,7 +139,7 @@ void dasm_free(Dst_DECL)
void dasm_setupglobal(Dst_DECL, void **gl, unsigned int maxgl) void dasm_setupglobal(Dst_DECL, void **gl, unsigned int maxgl)
{ {
dasm_State *D = Dst_REF; dasm_State *D = Dst_REF;
D->globals = gl - 10; /* Negative bias to compensate for locals. */ D->globals = (void **)((uintptr_t)gl - 10); /* Negative bias to compensate for locals. */
DASM_M_GROW(Dst, int, D->lglabels, D->lgsize, (10+maxgl)*sizeof(int)); DASM_M_GROW(Dst, int, D->lglabels, D->lgsize, (10+maxgl)*sizeof(int));
} }

16
dynasm/dasm_mips.h
View File

@ -9,6 +9,20 @@
#include <string.h> #include <string.h>
#include <stdlib.h> #include <stdlib.h>
#if defined(_MSC_VER) && (_MSC_VER < 1700)
/* Old MSVC is stuck in the last century and doesn't have C99's stdint.h. */
#ifdef _WIN64
typedef unsigned __int64 uintptr_t;
#else
typedef unsigned __int32 uintptr_t;
#endif
#elif defined(__symbian__)
/* Cough. */
typedef unsigned int uintptr_t;
#else
#include <stdint.h>
#endif
#define DASM_ARCH "mips" #define DASM_ARCH "mips"
#ifndef DASM_EXTERN #ifndef DASM_EXTERN
@ -122,7 +136,7 @@ void dasm_free(Dst_DECL)
void dasm_setupglobal(Dst_DECL, void **gl, unsigned int maxgl) void dasm_setupglobal(Dst_DECL, void **gl, unsigned int maxgl)
{ {
dasm_State *D = Dst_REF; dasm_State *D = Dst_REF;
D->globals = gl - 10; /* Negative bias to compensate for locals. */ D->globals = (void **)((uintptr_t)gl - 10); /* Negative bias to compensate for locals. */
DASM_M_GROW(Dst, int, D->lglabels, D->lgsize, (10+maxgl)*sizeof(int)); DASM_M_GROW(Dst, int, D->lglabels, D->lgsize, (10+maxgl)*sizeof(int));
} }

16
dynasm/dasm_ppc.h
View File

@ -9,6 +9,20 @@
#include <string.h> #include <string.h>
#include <stdlib.h> #include <stdlib.h>
#if defined(_MSC_VER) && (_MSC_VER < 1700)
/* Old MSVC is stuck in the last century and doesn't have C99's stdint.h. */
#ifdef _WIN64
typedef unsigned __int64 uintptr_t;
#else
typedef unsigned __int32 uintptr_t;
#endif
#elif defined(__symbian__)
/* Cough. */
typedef unsigned int uintptr_t;
#else
#include <stdint.h>
#endif
#define DASM_ARCH "ppc" #define DASM_ARCH "ppc"
#ifndef DASM_EXTERN #ifndef DASM_EXTERN
@ -122,7 +136,7 @@ void dasm_free(Dst_DECL)
void dasm_setupglobal(Dst_DECL, void **gl, unsigned int maxgl) void dasm_setupglobal(Dst_DECL, void **gl, unsigned int maxgl)
{ {
dasm_State *D = Dst_REF; dasm_State *D = Dst_REF;
D->globals = gl - 10; /* Negative bias to compensate for locals. */ D->globals = (void **)((uintptr_t)gl - 10); /* Negative bias to compensate for locals. */
DASM_M_GROW(Dst, int, D->lglabels, D->lgsize, (10+maxgl)*sizeof(int)); DASM_M_GROW(Dst, int, D->lglabels, D->lgsize, (10+maxgl)*sizeof(int));
} }

16
dynasm/dasm_x86.h
View File

@ -9,6 +9,20 @@
#include <string.h> #include <string.h>
#include <stdlib.h> #include <stdlib.h>
#if defined(_MSC_VER) && (_MSC_VER < 1700)
/* Old MSVC is stuck in the last century and doesn't have C99's stdint.h. */
#ifdef _WIN64
typedef unsigned __int64 uintptr_t;
#else
typedef unsigned __int32 uintptr_t;
#endif
#elif defined(__symbian__)
/* Cough. */
typedef unsigned int uintptr_t;
#else
#include <stdint.h>
#endif
#define DASM_ARCH "x86" #define DASM_ARCH "x86"
#ifndef DASM_EXTERN #ifndef DASM_EXTERN
@ -121,7 +135,7 @@ void dasm_free(Dst_DECL)
void dasm_setupglobal(Dst_DECL, void **gl, unsigned int maxgl) void dasm_setupglobal(Dst_DECL, void **gl, unsigned int maxgl)
{ {
dasm_State *D = Dst_REF; dasm_State *D = Dst_REF;
D->globals = gl - 10; /* Negative bias to compensate for locals. */ D->globals = (void **)((uintptr_t)gl - 10); /* Negative bias to compensate for locals. */
DASM_M_GROW(Dst, int, D->lglabels, D->lgsize, (10+maxgl)*sizeof(int)); DASM_M_GROW(Dst, int, D->lglabels, D->lgsize, (10+maxgl)*sizeof(int));
} }