From 788682a338dd4012e29c0c17de9bc8b4c0d8e734 Mon Sep 17 00:00:00 2001
From: Michael Benfield <mbenfield@google.com>
Date: Tue, 6 Dec 2022 20:58:12 +0000
Subject: [PATCH] Use mmap64 on Linux.

mmap is a non-LFS function and due to its usage here will appear in
binaries produced by rustc.

This is relevant to rust-lang/rust#94173.
---
 src/symbolize/gimli/mmap_unix.rs | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/src/symbolize/gimli/mmap_unix.rs b/src/symbolize/gimli/mmap_unix.rs
index 5806c9f7e..b0f5064f6 100644
--- a/src/symbolize/gimli/mmap_unix.rs
+++ b/src/symbolize/gimli/mmap_unix.rs
@@ -4,6 +4,11 @@ use core::ops::Deref;
 use core::ptr;
 use core::slice;
 
+#[cfg(target_os = "linux")]
+use libc::mmap64;
+#[cfg(not(target_os = "linux"))]
+use libc::mmap as mmap64;
+
 pub struct Mmap {
     ptr: *mut libc::c_void,
     len: usize,
@@ -11,7 +16,7 @@ pub struct Mmap {
 
 impl Mmap {
     pub unsafe fn map(file: &File, len: usize) -> Option<Mmap> {
-        let ptr = libc::mmap(
+        let ptr = mmap64(
             ptr::null_mut(),
             len,
             libc::PROT_READ,