[Xen-devel] [PATCH] xenctx: print x86_32 context on x86_64

[Kouya Shimura <kouya@xxxxxxxxxxxxxx>]

Although x86_64 context covers x86_32, I think it's easy to watch.

Signed-off-by: Kouya Shimura <kouya@xxxxxxxxxxxxxx>

diff -r 191643d4307c tools/xentrace/xenctx.c
--- a/tools/xentrace/xenctx.c   Thu Feb 05 15:28:09 2009 +0000
+++ b/tools/xentrace/xenctx.c   Fri Feb 06 10:18:54 2009 +0900
@@ -288,6 +288,35 @@
     }
 }
 
+static void print_ctx_32on64(vcpu_guest_context_x86_64_t *ctx)
+{
+    struct cpu_user_regs_x86_64 *regs = &ctx->user_regs;
+
+    printf("cs:eip: %04x:%08x ", regs->cs, (uint32_t)regs->eip);
+    print_symbol((uint32_t)regs->eip);
+    print_flags((uint32_t)regs->eflags);
+    printf("ss:esp: %04x:%08x\n", regs->ss, (uint32_t)regs->esp);
+
+    printf("eax: %08x\t", (uint32_t)regs->eax);
+    printf("ebx: %08x\t", (uint32_t)regs->ebx);
+    printf("ecx: %08x\t", (uint32_t)regs->ecx);
+    printf("edx: %08x\n", (uint32_t)regs->edx);
+
+    printf("esi: %08x\t", (uint32_t)regs->esi);
+    printf("edi: %08x\t", (uint32_t)regs->edi);
+    printf("ebp: %08x\n", (uint32_t)regs->ebp);
+
+    printf(" ds:     %04x\t", regs->ds);
+    printf(" es:     %04x\t", regs->es);
+    printf(" fs:     %04x\t", regs->fs);
+    printf(" gs:     %04x\n", regs->gs);
+
+    if (disp_all) {
+        print_special(ctx->ctrlreg, "cr", 0x1d, 4);
+        print_special(ctx->debugreg, "dr", 0xcf, 4);
+    }
+}
+
 static void print_ctx_64(vcpu_guest_context_x86_64_t *ctx)
 {
     struct cpu_user_regs_x86_64 *regs = &ctx->user_regs;
@@ -336,6 +365,8 @@
 {
     if (ctxt_word_size == 4) 
         print_ctx_32(&ctx->x32);
+    else if (guest_word_size == 4)
+        print_ctx_32on64(&ctx->x64);
     else 
         print_ctx_64(&ctx->x64);
 }

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