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Markus F.X.J. Oberhumer
2024-06-21 18:19:59 +02:00
parent ad566d793a
commit 17cf73001c
4 changed files with 40 additions and 4 deletions
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src/check/dt_check.cpp
+3 -3
View File
@@ -491,7 +491,7 @@ struct CheckSignedness {
};
template <class A, class B>
struct TestNoAliasingStruct {
struct TestNoAliasingStruct { // check working -fno-strict-aliasing
static noinline bool test(A *a, B *b) noexcept {
*a = 0;
*b = 0;
@@ -504,10 +504,10 @@ static forceinline bool testNoAliasing(A *a, B *b) noexcept {
return TestNoAliasingStruct<A, B>::test(a, b);
}
template <class T>
struct TestIntegerWrap {
struct TestIntegerWrap { // check working -fno-strict-overflow
static inline bool inc_gt(const T x) noexcept { return x + 1 > x; }
static inline bool dec_lt(const T x) noexcept { return x - 1 < x; }
static inline bool neg_eq(const T x) noexcept { return T(0) - x == x; }
static inline bool neg_eq(const T x) noexcept { return T(T(0) - x) == x; }
};
//
src/help.cpp
+10
View File
@@ -618,6 +618,16 @@ void show_sysinfo(const char *options_var) {
#endif
// misc compilation options
#if defined(__PIC__)
cf_print("__PIC__", "%lld", __PIC__ + 0, 3);
#elif defined(__pic__)
cf_print("__pic__", "%lld", __pic__ + 0, 3);
#endif
#if defined(__PIE__)
cf_print("__PIE__", "%lld", __PIE__ + 0, 3);
#elif defined(__pie__)
cf_print("__pie__", "%lld", __pie__ + 0, 3);
#endif
#if defined(UPX_CONFIG_DISABLE_WSTRICT)
cf_print("UPX_CONFIG_DISABLE_WSTRICT", "%lld", UPX_CONFIG_DISABLE_WSTRICT + 0, 3);
#endif
src/util/system_headers.h
+21 -1
View File
@@ -27,6 +27,7 @@
#pragma once
#include "system_defs.h"
#include "system_features.h"
#if !(__cplusplus + 0 >= 201703L)
#error "FATAL ERROR: C++17 is required"
@@ -40,7 +41,7 @@
#error "missing __CYGWIN__"
#endif
#if defined(__clang__) || defined(__GNUC__)
// these are pre-defined since gcc-4.6 (2011) and clang-3.2 (2012)
// byte order - these are pre-defined since gcc-4.6 (2011) and clang-3.2 (2012)
#if !defined(__ORDER_BIG_ENDIAN__) || (__ORDER_BIG_ENDIAN__ + 0 == 0)
#error "missing __ORDER_BIG_ENDIAN__"
#endif
@@ -60,6 +61,25 @@
#error "unexpected __BYTE_ORDER__"
#endif
#endif
// pic and pie
#if defined(__PIC__) && defined(__pic__)
static_assert((__PIC__) == (__pic__));
#endif
#if defined(__PIC__)
static_assert(__PIC__ == 1 || __PIC__ == 2);
#endif
#if defined(__pic__)
static_assert(__pic__ == 1 || __pic__ == 2);
#endif
#if defined(__PIE__) && defined(__pie__)
static_assert((__PIE__) == (__pie__));
#endif
#if defined(__PIE__)
static_assert(__PIE__ == 1 || __PIE__ == 2);
#endif
#if defined(__pie__)
static_assert(__pie__ == 1 || __pie__ == 2);
#endif
// sanity checks
#if defined(_ILP32) || defined(__ILP32) || defined(__ILP32__)