From 313495587598fb1a69b94c44a83735f6056f6049 Mon Sep 17 00:00:00 2001
From: Steve Langasek <steve.langasek@canonical.com>
Date: Thu, 8 Oct 2020 16:49:21 -0700
Subject: Additional porting for riscv64.

Adds handling for the PC register, malloc_hook_mmap, and syscalls.

Successfully built in Ubuntu with these changes.
---
 m4/pc_from_ucontext.m4 | 1 +
 1 file changed, 1 insertion(+)

(limited to 'm4')

diff --git a/m4/pc_from_ucontext.m4 b/m4/pc_from_ucontext.m4
index 9d76f4c..88c8abf 100644
--- a/m4/pc_from_ucontext.m4
+++ b/m4/pc_from_ucontext.m4
@@ -28,6 +28,7 @@ AC_DEFUN([AC_PC_FROM_UCONTEXT],
    pc_fields="$pc_fields uc_mcontext.sc_ip"            # Linux (ia64)
    pc_fields="$pc_fields uc_mcontext.pc"               # Linux (mips)
    pc_fields="$pc_fields uc_mcontext.uc_regs->gregs[[PT_NIP]]" # Linux (ppc)
+   pc_fields="$pc_fields uc_mcontext.__gregs[[REG_PC]]"  # Linux (riscv64)
    pc_fields="$pc_fields uc_mcontext.psw.addr"         # Linux (s390)
    pc_fields="$pc_fields uc_mcontext.gregs[[R15]]"     # Linux (arm old [untested])
    pc_fields="$pc_fields uc_mcontext.arm_pc"           # Linux (arm arch 5)
-- 
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