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Demos: Remove extra methods/globals from DynamicLib

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Andrew Kaster 2020-01-09 00:37:02 -07:00 • committed by Andreas Kling
parent 4cb7c8ea85
commit 5accedfedb
1 changed files with 6 additions and 20 deletions
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26
Demos/DynamicLink/LinkLib/DynamicLib.cpp
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@ -3,35 +3,21 @@
#include <assert.h>
#include <stdio.h>
// FIXME: Things defined in crt0 >:(
// We need to figure out a better way to get these symbols defined and available
// Even if we're linking a shared object.
__thread int errno;
char* __static_environ[] = { nullptr }; // We don't get the environment without some libc workarounds..
char** environ = __static_environ;
bool __environ_is_malloced = false;
extern unsigned __stack_chk_guard;
unsigned __stack_chk_guard = (unsigned)0xc0000c13;
[[noreturn]] void __stack_chk_fail()
{
ASSERT_NOT_REACHED();
}
// FIXME: Because we need to call printf, and we don't have access to the stout file descriptor
// from the main executable, we need to create our own copy in __stdio_init :/
// Same deal for malloc init. We're essentially manually calling __libc_init here.
extern "C" void __stdio_init();
extern "C" void __malloc_init();
// from the main executable. We need to call __libc_init....
extern "C" void __libc_init();
extern "C" bool __environ_is_malloced;
class Global {
public:
Global(int i)
: m_i(i)
{
__malloc_init();
__stdio_init();
__environ_is_malloced = false;
environ = __static_environ;
__libc_init();
}
int get_i() const { return m_i; }