From 6347458b01d8812df349ad1622a32a0c7493e480 Mon Sep 17 00:00:00 2001
From: jewelcodes <omarmelghoul01@gmail.com>
Date: Tue, 26 Nov 2024 19:07:11 -0500
Subject: [PATCH] x86_64: allocate memory for siginfo and context for signals

---
 src/platform/x86_64/ipc/signal.c | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/src/platform/x86_64/ipc/signal.c b/src/platform/x86_64/ipc/signal.c
index 26621fa..05d6351 100644
--- a/src/platform/x86_64/ipc/signal.c
+++ b/src/platform/x86_64/ipc/signal.c
@@ -24,8 +24,23 @@ int platformSignalSetup(Thread *t) {
     void *trampoline = uxmalloc(sigstubSize);
     if(!trampoline) return -1;
 
+    void *siginfo = umalloc(sizeof(siginfo_t));
+    if(!siginfo) {
+        free(trampoline);
+        return -1;
+    }
+
+    void *sigctx = umalloc(PLATFORM_CONTEXT_SIZE);
+    if(!sigctx) {
+        free(trampoline);
+        free(siginfo);
+        return -1;
+    }
+
     memcpy(trampoline, sigstub, sigstubSize);
     t->signalTrampoline = (uintptr_t) trampoline;
+    t->siginfo = (uintptr_t) siginfo;
+    t->signalUserContext = (uintptr_t) sigctx;
     return 0;
 }