From c0681d6b6e74bd70228bb79c6bf719da5a5fe444 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Alex=20R=C3=B8nne=20Petersen?= <alex@alexrp.com>
Date: Sun, 4 Aug 2024 09:03:59 +0200
Subject: [PATCH] start: Add sparc32 support.

---
 lib/std/start.zig | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/lib/std/start.zig b/lib/std/start.zig
index c975c888af..2a072832bb 100644
--- a/lib/std/start.zig
+++ b/lib/std/start.zig
@@ -406,6 +406,13 @@ fn _start() callconv(.Naked) noreturn {
             \\ stg  %%r0, 0(%%r15)
             \\ jg %[posixCallMainAndExit]
             ,
+            .sparc =>
+            // argc is stored after a register window (16 registers * 4 bytes).
+            \\ mov %%g0, %%fp
+            \\ add %%sp, 64, %%o0
+            \\ and %%sp, -8, %%sp
+            \\ ba,a %[posixCallMainAndExit]
+            ,
             .sparc64 =>
             // argc is stored after a register window (16 registers * 8 bytes) plus the stack bias
             // (2047 bytes).