1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
|
#![feature(link_args)]
// Set the stack size at link time on Windows. See rustc_driver::in_rustc_thread
// for the rationale.
#[allow(unused_attributes)]
#[cfg_attr(all(windows, target_env = "msvc"), link_args = "/STACK:16777216")]
// We only build for msvc and gnu now, but we use a exhaustive condition here
// so we can expect either the stack size to be set or the build fails.
#[cfg_attr(all(windows, not(target_env = "msvc")), link_args = "-Wl,--stack,16777216")]
// Also, don't forget to set this for rustdoc.
extern {}
fn main() {
// Pull in jemalloc when enabled.
//
// Note that we're pulling in a static copy of jemalloc which means that to
// pull it in we need to actually reference its symbols for it to get
// linked. The two crates we link to here, std and rustc_driver, are both
// dynamic libraries. That means to pull in jemalloc we need to actually
// reference allocation symbols one way or another (as this file is the only
// object code in the rustc executable).
#[cfg(feature = "jemalloc-sys")]
{
use std::os::raw::{c_void, c_int};
#[used]
static _F1: unsafe extern fn(usize, usize) -> *mut c_void =
jemalloc_sys::calloc;
#[used]
static _F2: unsafe extern fn(*mut *mut c_void, usize, usize) -> c_int =
jemalloc_sys::posix_memalign;
#[used]
static _F3: unsafe extern fn(usize, usize) -> *mut c_void =
jemalloc_sys::aligned_alloc;
#[used]
static _F4: unsafe extern fn(usize) -> *mut c_void =
jemalloc_sys::malloc;
#[used]
static _F5: unsafe extern fn(*mut c_void, usize) -> *mut c_void =
jemalloc_sys::realloc;
#[used]
static _F6: unsafe extern fn(*mut c_void) =
jemalloc_sys::free;
}
rustc_driver::set_sigpipe_handler();
rustc_driver::main()
}
|
