From 476a79fe2fc6c4c7b809d0b359ad041a1034ffce Mon Sep 17 00:00:00 2001
From: Andrew Waterman <andrew@sifive.com>
Date: Thu, 1 Sep 2022 20:23:16 -0700
Subject: Substantially increase context_t stack size

It's nearly free to do so, because it's just virtual address space.

@davidbiancolin recently fell into this pit when using context_t with VCS.
---
 fesvr/context.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'fesvr')

diff --git a/fesvr/context.cc b/fesvr/context.cc
index ca73813..1dceeec 100644
--- a/fesvr/context.cc
+++ b/fesvr/context.cc
@@ -49,7 +49,7 @@ void context_t::init(void (*f)(void*), void* a)
 #ifdef USE_UCONTEXT
   getcontext(context.get());
   context->uc_link = creator->context.get();
-  context->uc_stack.ss_size = 64*1024;
+  context->uc_stack.ss_size = 1024 * 1024;
   context->uc_stack.ss_sp = new void*[context->uc_stack.ss_size/sizeof(void*)];
 #ifndef GLIBC_64BIT_PTR_BUG
   makecontext(context.get(), (void(*)(void))&context_t::wrapper, 1, this);
-- 
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