From 0cf5f0d0b085e66eb5421b5bb8a179d9b7fad6db Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Alex=20R=C3=B8nne=20Petersen?= <alex@alexrp.com>
Date: Wed, 26 Mar 2025 18:26:48 +0100
Subject: [PATCH] std.process: Fix getBaseAddress() for linux + libc.

In this case we should use the getauxval() from libc, not our own.
---
 lib/std/process.zig | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/lib/std/process.zig b/lib/std/process.zig
index b734276444..3320513b0f 100644
--- a/lib/std/process.zig
+++ b/lib/std/process.zig
@@ -1652,11 +1652,12 @@ pub fn posixGetUserInfo(name: []const u8) !UserInfo {
 pub fn getBaseAddress() usize {
     switch (native_os) {
         .linux => {
-            const base = std.os.linux.getauxval(std.elf.AT_BASE);
+            const getauxval = if (builtin.link_libc) std.c.getauxval else std.os.linux.getauxval;
+            const base = getauxval(std.elf.AT_BASE);
             if (base != 0) {
                 return base;
             }
-            const phdr = std.os.linux.getauxval(std.elf.AT_PHDR);
+            const phdr = getauxval(std.elf.AT_PHDR);
             return phdr - @sizeOf(std.elf.Ehdr);
         },
         .macos, .freebsd, .netbsd => {