[PATCH/RFC] sim: common: add PRI printf defines

[Mike Frysinger <vapier@gentoo.org>]

Keeping track of the right printf formats for the various types can be
a pretty big hassle, especially in common code which has to support a
variety of bitsizes.  Take a page from the existing standards and add
a set of PRI macros which hide the details in a common header.
---
 sim/common/ChangeLog   |  8 ++++++++
 sim/common/sim-types.h | 21 +++++++++++++++++++++
 2 files changed, 29 insertions(+)

diff --git a/sim/common/ChangeLog b/sim/common/ChangeLog
index 722ad98..db67a1d 100644
--- a/sim/common/ChangeLog
+++ b/sim/common/ChangeLog
@@ -1,5 +1,13 @@
 2015-06-21  Mike Frysinger  <vapier@gentoo.org>
 
+	* sim-types.h (_SIM_PRI_TB, __SIM_PRI_TB): New helper macros for
+	expanding target bitsizes into standard PRI formats.
+	(PRI_TW, PRIiTW, PRIxTW): New PRI target word defines.
+	(PRI_TA, PRIiTA, PRIxTA): New PRI target address defines.
+	(PRI_TF, PRIiTF, PRIxTF): New PRI target floating point defines.
+
+2015-06-21  Mike Frysinger  <vapier@gentoo.org>
+
 	* sim-model.c (sim_model_init): Assert model is not NULL.
 
 2015-06-21  Mike Frysinger  <vapier@gentoo.org>
diff --git a/sim/common/sim-types.h b/sim/common/sim-types.h
index 862f4e0..a64f644 100644
--- a/sim/common/sim-types.h
+++ b/sim/common/sim-types.h
@@ -87,6 +87,11 @@ typedef unsigned64 unsigned_8;
 typedef unsigned128 unsigned_16;
 
 
+/* Macros for printf.  */
+#define _SIM_PRI_TB(t, b)	__SIM_PRI_TB(t, b)
+#define __SIM_PRI_TB(t, b)	PRI##t##b
+
+
 /* for general work, the following are defined */
 /* unsigned: >= 32 bits */
 /* signed:   >= 32 bits */
@@ -107,6 +112,10 @@ typedef unsigned16 unsigned_word;
 typedef signed16 signed_word;
 #endif
 
+#define PRI_TW(t)	_SIM_PRI_TB(t, WITH_TARGET_WORD_BITSIZE)
+#define PRIiTW	PRI_TW(i)
+#define PRIxTW	PRI_TW(x)
+
 
 /* Other instructions */
 #if (WITH_TARGET_ADDRESS_BITSIZE == 64)
@@ -123,6 +132,10 @@ typedef signed16 signed_address;
 #endif
 typedef unsigned_address address_word;
 
+#define PRI_TA(t)	_SIM_PRI_TB(t, WITH_TARGET_ADDRESS_BITSIZE)
+#define PRIiTA	PRI_TA(i)
+#define PRIxTA	PRI_TA(x)
+
 
 /* IEEE 1275 cell size */
 #if (WITH_TARGET_CELL_BITSIZE == 64)
@@ -135,6 +148,10 @@ typedef signed32 signed_cell;
 #endif
 typedef signed_cell cell_word; /* cells are normally signed */
 
+#define PRI_TC(t)	_SIM_PRI_TB(t, WITH_TARGET_CELL_BITSIZE)
+#define PRIiTC	PRI_TC(i)
+#define PRIxTC	PRI_TC(x)
+
 
 /* Floating point registers */
 #if (WITH_TARGET_FLOATING_POINT_BITSIZE == 64)
@@ -144,4 +161,8 @@ typedef unsigned64 fp_word;
 typedef unsigned32 fp_word;
 #endif
 
+#define PRI_TF(t)	_SIM_PRI_TB(t, WITH_TARGET_FLOATING_POINT_BITSIZE)
+#define PRIiTF	PRI_TF(i)
+#define PRIxTF	PRI_TF(x)
+
 #endif
-- 
2.4.1