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The content of .eh_frame may be misaligned, so use memcpy. This is seen 

in the wild on SH3.

llvm-svn: 205756
This commit is contained in:
Joerg Sonnenberger 2014-04-08 11:43:49 +00:00
parent 559c8623c5
commit 7955feb82f
1 changed files with 31 additions and 7 deletions
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38
libcxxabi/src/Unwind/AddressSpace.hpp
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@ -16,6 +16,7 @@
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <dlfcn.h>
#if __APPLE__
@ -62,12 +63,36 @@ public:
typedef uint32_t pint_t;
typedef int32_t sint_t;
#endif
uint8_t get8(pint_t addr) { return *((uint8_t *)addr); }
uint16_t get16(pint_t addr) { return *((uint16_t *)addr); }
uint32_t get32(pint_t addr) { return *((uint32_t *)addr); }
uint64_t get64(pint_t addr) { return *((uint64_t *)addr); }
double getDouble(pint_t addr) { return *((double *)addr); }
v128 getVector(pint_t addr) { return *((v128 *)addr); }
uint8_t get8(pint_t addr) {
uint8_t val;
memcpy(&val, (void *)addr, sizeof(val));
return val;
}
uint16_t get16(pint_t addr) {
uint16_t val;
memcpy(&val, (void *)addr, sizeof(val));
return val;
}
uint32_t get32(pint_t addr) {
uint32_t val;
memcpy(&val, (void *)addr, sizeof(val));
return val;
}
uint64_t get64(pint_t addr) {
uint64_t val;
memcpy(&val, (void *)addr, sizeof(val));
return val;
}
double getDouble(pint_t addr) {
double val;
memcpy(&val, (void *)addr, sizeof(val));
return val;
}
v128 getVector(pint_t addr) {
v128 val;
memcpy(&val, (void *)addr, sizeof(val));
return val;
}
uintptr_t getP(pint_t addr);
static uint64_t getULEB128(pint_t &addr, pint_t end);
static int64_t getSLEB128(pint_t &addr, pint_t end);
@ -81,7 +106,6 @@ public:
static LocalAddressSpace sThisAddressSpace;
};
inline uintptr_t LocalAddressSpace::getP(pint_t addr) {
#if __LP64__
return get64(addr);