[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [Xen-devel] [PATCH v8 19/20] xenctx: Fix print_ctx_32on64's print_special call.
print_special() uses the width argument to both select output format and array size. So by passing 4 it expects an array of uint32_t. But an array of uint64_t is passed. So copy and mask the registers to 32 bits. Signed-off-by: Don Slutz <dslutz@xxxxxxxxxxx> --- tools/xentrace/xenctx.c | 11 +++++++++-- 1 file changed, 9 insertions(+), 2 deletions(-) diff --git a/tools/xentrace/xenctx.c b/tools/xentrace/xenctx.c index b7f6e0f..6105ffb 100644 --- a/tools/xentrace/xenctx.c +++ b/tools/xentrace/xenctx.c @@ -444,8 +444,15 @@ static void print_ctx_32on64(vcpu_guest_context_x86_64_t *ctx) printf(" gs: %04x\n", regs->gs); if (xenctx.disp_all) { - print_special(ctx->ctrlreg, "cr", 0x1d, cr_reg_mask, 4); - print_special(ctx->debugreg, "dr", 0xcf, dr_reg_mask, 4); + uint32_t tmp_regs[8]; + int i; + + for (i = 0; i < 5; i++) + tmp_regs[i] = ctx->ctrlreg[i]; + print_special(tmp_regs, "cr", 0x1d, cr_reg_mask, 4); + for (i = 0; i < 8; i++) + tmp_regs[i] = ctx->debugreg[i]; + print_special(tmp_regs, "dr", 0xcf, dr_reg_mask, 4); } } -- 1.8.4 _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxx http://lists.xen.org/xen-devel
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