* [Qemu-devel] [PATCH 13/43] pci: made printf always compile in debug output
@ 2017-04-01 13:48 Danil Antonov
0 siblings, 0 replies; only message in thread
From: Danil Antonov @ 2017-04-01 13:48 UTC (permalink / raw)
To: qemu-devel, mst, marcel
>From 7ff1463852763cbe7b8260147aa0c19bf91c8cbb Mon Sep 17 00:00:00 2001
From: Danil Antonov <g.danil.anto@gmail.com>
Date: Wed, 29 Mar 2017 12:27:57 +0300
Subject: [PATCH 13/43] pci: made printf always compile in debug output
Wrapped printf calls inside debug macros (DPRINTF) in `if` statement.
This will ensure that printf function will always compile even if debug
output is turned off and, in turn, will prevent bitrot of the format
strings.
Signed-off-by: Danil Antonov <g.danil.anto@gmail.com>
---
hw/pci/msi.c | 17 +++++++++++------
hw/pci/pci.c | 16 +++++++++++-----
hw/pci/pci_host.c | 16 ++++++++++------
hw/pci/pcie.c | 18 ++++++++++++------
hw/pci/pcie_aer.c | 18 ++++++++++++------
5 files changed, 56 insertions(+), 29 deletions(-)
diff --git a/hw/pci/msi.c b/hw/pci/msi.c
index a87b227..b7cfa5c 100644
--- a/hw/pci/msi.c
+++ b/hw/pci/msi.c
@@ -72,12 +72,17 @@ static inline uint8_t msi_cap_sizeof(uint16_t flags)
//#define MSI_DEBUG
-#ifdef MSI_DEBUG
-# define MSI_DPRINTF(fmt, ...) \
- fprintf(stderr, "%s:%d " fmt, __func__, __LINE__, ## __VA_ARGS__)
-#else
-# define MSI_DPRINTF(fmt, ...) do { } while (0)
-#endif
+#ifndef MSI_DEBUG
+#define MSI_DEBUG 0
+#endif
+
+#define MSI_DPRINTF(fmt,
...) \
+ do
{ \
+ if (MSI_DEBUG)
{ \
+ fprintf(stderr, "%s:%d " fmt, __func__, __LINE__, ##
__VA_ARGS__); \
+
} \
+ } while (0)
+
#define MSI_DEV_PRINTF(dev, fmt, ...) \
MSI_DPRINTF("%s:%x " fmt, (dev)->name, (dev)->devfn, ## __VA_ARGS__)
diff --git a/hw/pci/pci.c b/hw/pci/pci.c
index e6b08e1..80d08af 100644
--- a/hw/pci/pci.c
+++ b/hw/pci/pci.c
@@ -43,11 +43,17 @@
#include "qemu/cutils.h"
//#define DEBUG_PCI
-#ifdef DEBUG_PCI
-# define PCI_DPRINTF(format, ...) printf(format, ## __VA_ARGS__)
-#else
-# define PCI_DPRINTF(format, ...) do { } while (0)
-#endif
+//
+#ifndef DEBUG_PCI
+#define DEBUG_PCI 0
+#endif
+
+#define PCI_DPRINTF(fmt, ...) \
+ do { \
+ if (DEBUG_PCI) { \
+ fprintf(stderr, "pci: " fmt, ## __VA_ARGS__); \
+ } \
+ } while (0)
static void pcibus_dev_print(Monitor *mon, DeviceState *dev, int indent);
static char *pcibus_get_dev_path(DeviceState *dev);
diff --git a/hw/pci/pci_host.c b/hw/pci/pci_host.c
index 5eaa935..83fde14 100644
--- a/hw/pci/pci_host.c
+++ b/hw/pci/pci_host.c
@@ -27,12 +27,16 @@
/* debug PCI */
//#define DEBUG_PCI
-#ifdef DEBUG_PCI
-#define PCI_DPRINTF(fmt, ...) \
-do { printf("pci_host_data: " fmt , ## __VA_ARGS__); } while (0)
-#else
-#define PCI_DPRINTF(fmt, ...)
-#endif
+#ifndef DEBUG_PCI
+#define DEBUG_PCI 0
+#endif
+
+#define PCI_DPRINTF(fmt, ...) \
+ do { \
+ if (DEBUG_PCI) { \
+ fprintf(stderr, "pci_host_data: " fmt, ## __VA_ARGS__); \
+ } \
+ } while (0)
/*
* PCI address
diff --git a/hw/pci/pcie.c b/hw/pci/pcie.c
index 18e634f..5148f69 100644
--- a/hw/pci/pcie.c
+++ b/hw/pci/pcie.c
@@ -30,12 +30,18 @@
#include "qemu/range.h"
//#define DEBUG_PCIE
-#ifdef DEBUG_PCIE
-# define PCIE_DPRINTF(fmt, ...) \
- fprintf(stderr, "%s:%d " fmt, __func__, __LINE__, ## __VA_ARGS__)
-#else
-# define PCIE_DPRINTF(fmt, ...) do {} while (0)
-#endif
+
+#ifndef DEBUG_PCIE
+#define DEBUG_PCIE 0
+#endif
+
+#define PCIE_DPRINTF(fmt,
...) \
+ do
{ \
+ if (DEBUG_PCIE)
{ \
+ fprintf(stderr, "%s:%d " fmt, __func__, __LINE__, ##
__VA_ARGS__); \
+
} \
+ } while (0)
+
#define PCIE_DEV_PRINTF(dev, fmt, ...) \
PCIE_DPRINTF("%s:%x "fmt, (dev)->name, (dev)->devfn, ## __VA_ARGS__)
diff --git a/hw/pci/pcie_aer.c b/hw/pci/pcie_aer.c
index a8c1820..5dfedda 100644
--- a/hw/pci/pcie_aer.c
+++ b/hw/pci/pcie_aer.c
@@ -32,12 +32,18 @@
#include "qapi/error.h"
//#define DEBUG_PCIE
-#ifdef DEBUG_PCIE
-# define PCIE_DPRINTF(fmt, ...) \
- fprintf(stderr, "%s:%d " fmt, __func__, __LINE__, ## __VA_ARGS__)
-#else
-# define PCIE_DPRINTF(fmt, ...) do {} while (0)
-#endif
+
+#ifndef DEBUG_PCIE
+#define DEBUG_PCIE 0
+#endif
+
+#define PCIE_DPRINTF(fmt,
...) \
+ do
{ \
+ if (DEBUG_PCIE)
{ \
+ fprintf(stderr, "%s:%d " fmt, __func__, __LINE__, ##
__VA_ARGS__) \
+
} \
+ } while (0)
+
#define PCIE_DEV_PRINTF(dev, fmt, ...) \
PCIE_DPRINTF("%s:%x "fmt, (dev)->name, (dev)->devfn, ## __VA_ARGS__)
--
2.8.0.rc3
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