Add FreeBSD x86 support (#3782)

Co-authored-by: ptitSeb <sebastien.chev@gmail.com>
wasmerio · Apr 21, 2023 · e45add2 · e45add2
1 parent b2446c1
commit e45add2
Showing 1 changed file with 11 additions and 1 deletion.
diff --git a/lib/vm/src/trap/traphandlers.rs b/lib/vm/src/trap/traphandlers.rs
@@ -264,7 +264,10 @@ cfg_if::cfg_if! {
                 ))] {
                     pc = context.uc_mcontext.gregs[libc::REG_EIP as usize] as usize;
                     sp = context.uc_mcontext.gregs[libc::REG_ESP as usize] as usize;
-                } else if #[cfg(all(target_os = "freebsd", any(target_arch = "x86", target_arch = "x86_64")))] {
+                } else if #[cfg(all(target_os = "freebsd", target_arch = "x86"))] {
+                    pc = context.uc_mcontext.mc_eip as usize;
+                    sp = context.uc_mcontext.mc_esp as usize;
+                } else if #[cfg(all(target_os = "freebsd", target_arch = "x86_64"))] {
                     pc = context.uc_mcontext.mc_rip as usize;
                     sp = context.uc_mcontext.mc_rsp as usize;
                 } else if #[cfg(all(target_vendor = "apple", target_arch = "x86_64"))] {
@@ -330,6 +333,13 @@ cfg_if::cfg_if! {
                     (*context.uc_mcontext).__ss.__rbp = rbp;
                     (*context.uc_mcontext).__ss.__rdi = rdi;
                     (*context.uc_mcontext).__ss.__rsi = rsi;
+                } else if #[cfg(all(target_os = "freebsd", target_arch = "x86"))] {
+                    let TrapHandlerRegs { eip, esp, ebp, ecx, edx } = regs;
+                    context.uc_mcontext.mc_eip = eip as libc::register_t;
+                    context.uc_mcontext.mc_esp = esp as libc::register_t;
+                    context.uc_mcontext.mc_ebp = ebp as libc::register_t;
+                    context.uc_mcontext.mc_ecx = ecx as libc::register_t;
+                    context.uc_mcontext.mc_edx = edx as libc::register_t;
                 } else if #[cfg(all(target_os = "freebsd", target_arch = "x86_64"))] {
                     let TrapHandlerRegs { rip, rsp, rbp, rdi, rsi } = regs;
                     context.uc_mcontext.mc_rip = rip as libc::register_t;