diff --git a/tools/debugger/gdbsx/gx/gx_local.c b/tools/debugger/gdbsx/gx/gx_local.c
index 1bec03d49c..33556a582d 100644
--- a/tools/debugger/gdbsx/gx/gx_local.c
+++ b/tools/debugger/gdbsx/gx/gx_local.c
@@ -45,8 +45,8 @@ prnt_32regs(struct xg_gdb_regs32 *r32p)
 static void
 prnt_64regs(struct xg_gdb_regs64 *r64p)
 {
-    printf("rip:"XGF64" rsp:"XGF64" flags:"XGF64"\n", r64p->rip, r64p->rsp,
-           r64p->rflags);
+    printf("rip:"XGF64" rsp:"XGF64" flags:%08x\n", r64p->rip, r64p->rsp,
+           r64p->eflags);
     printf("rax:"XGF64" rbx:"XGF64" rcx:"XGF64"\n", r64p->rax, r64p->rbx,
            r64p->rcx);
     printf("rdx:"XGF64" rsi:"XGF64" rdi:"XGF64"\n", r64p->rdx, r64p->rsi,
@@ -57,7 +57,7 @@ prnt_64regs(struct xg_gdb_regs64 *r64p)
            r64p->r13);
     printf("r14:"XGF64" r15:"XGF64" rbp:"XGF64"\n", r64p->r14, r64p->r15,
            r64p->rbp);
-    printf("cs:"XGF64" ds:"XGF64" fs:"XGF64" gs:"XGF64"\n", r64p->cs, 
+    printf("cs:%08x ds:%08x fs:%08x gs:%08x\n", r64p->cs,
            r64p->ds, r64p->fs, r64p->gs);
     printf("\n");
 }
diff --git a/tools/debugger/gdbsx/xg/xg_main.c b/tools/debugger/gdbsx/xg/xg_main.c
index cc640d1d82..a4e8653168 100644
--- a/tools/debugger/gdbsx/xg/xg_main.c
+++ b/tools/debugger/gdbsx/xg/xg_main.c
@@ -580,14 +580,14 @@ _cp_64ctxt_to_64gdb(struct cpu_user_regs_x86_64 *cp, struct xg_gdb_regs64 *rp)
     rp->rax = cp->rax;
     rp->rip = cp->rip;         
     rp->rsp = cp->rsp;      
-    rp->rflags = cp->rflags;
+    rp->eflags = cp->rflags;
 
-    rp->cs = (uint64_t)cp->cs;            
-    rp->ss = (uint64_t)cp->ss;
-    rp->es = (uint64_t)cp->es;            
-    rp->ds = (uint64_t)cp->ds;
-    rp->fs = (uint64_t)cp->fs;            
-    rp->gs = (uint64_t)cp->gs;
+    rp->cs = cp->cs;
+    rp->ss = cp->ss;
+    rp->es = cp->es;
+    rp->ds = cp->ds;
+    rp->fs = cp->fs;
+    rp->gs = cp->gs;
 #if 0
     printf("cp:%llx bp:%llx rip:%llx\n", rp->rsp, rp->rbp, rp->rip);
     printf("rax:%llx rbx:%llx\n", rp->rax, rp->rbx);
@@ -635,7 +635,7 @@ _cp_32gdb_to_64ctxt(struct xg_gdb_regs32 *rp, struct cpu_user_regs_x86_64 *cp)
     cp->ds = rp->ds;       
     cp->fs = rp->fs;       
     cp->gs = rp->gs;
-    cp->rflags = rp->eflags;
+    cp->eflags = rp->eflags;
 }
 
 static void
@@ -658,7 +658,7 @@ _cp_64gdb_to_64ctxt(struct xg_gdb_regs64 *rp, struct cpu_user_regs_x86_64 *cp)
     cp->rax = rp->rax;
     cp->rip = rp->rip;
     cp->rsp = rp->rsp;
-    cp->rflags = rp->rflags;
+    cp->rflags = rp->eflags;
 
     cp->cs = (uint16_t)rp->cs;
     cp->ss = (uint16_t)rp->ss;
diff --git a/tools/debugger/gdbsx/xg/xg_public.h b/tools/debugger/gdbsx/xg/xg_public.h
index 3f905a2f0d..cffb2f7532 100644
--- a/tools/debugger/gdbsx/xg/xg_public.h
+++ b/tools/debugger/gdbsx/xg/xg_public.h
@@ -61,7 +61,7 @@ struct xg_gdb_regs32 {
     uint32_t  gs;
 };  
 
-/* this from: regformats/reg-x86-64.dat in gdbserver */
+/* based on gdb/features/i386/64bit-core.xml in gdb */
 struct xg_gdb_regs64 {
     uint64_t  rax;
     uint64_t  rbx;
@@ -80,14 +80,14 @@ struct xg_gdb_regs64 {
     uint64_t  r14;
     uint64_t  r15;
     uint64_t  rip;
-    uint64_t  rflags;
-    uint64_t  cs;
-    uint64_t  ss;
-    uint64_t  ds;
-    uint64_t  es;
-    uint64_t  fs;
-    uint64_t  gs;
-};
+    uint32_t  eflags;
+    uint32_t  cs;
+    uint32_t  ss;
+    uint32_t  ds;
+    uint32_t  es;
+    uint32_t  fs;
+    uint32_t  gs;
+} __attribute__((__packed__));
 
 union xg_gdb_regs {
     struct xg_gdb_regs32 gregs_32;