[PULL 13/45] exec: Use uintptr_t in cpu_ldst.h

Maintainers: Eduardo Habkost <ehabkost@redhat.com>, Thomas Huth <thuth@redhat.com>, Jason Wang <jasowang@redhat.com>, Peter Maydell <peter.maydell@linaro.org>, Laurent Vivier <laurent@vivier.eu>, Richard Henderson <richard.henderson@linaro.org>, Riku Voipio <riku.voipio@iki.fi>, David Hildenbrand <david@redhat.com>, Paolo Bonzini <pbonzini@redhat.com>, Laurent Vivier <lvivier@redhat.com>, Havard Skinnemoen <hskinnemoen@google.com>, Tyrone Ting <kfting@nuvoton.com>, Cornelia Huck <cohuck@redhat.com>
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[PULL 13/45] exec: Use uintptr_t in cpu_ldst.h
Posted by Peter Maydell 4 years, 2 months ago
From: Richard Henderson <richard.henderson@linaro.org>

This is more descriptive than 'unsigned long'.
No functional change, since these match on all linux+bsd hosts.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20210210000223.884088-5-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
---
 include/exec/cpu_ldst.h | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/include/exec/cpu_ldst.h b/include/exec/cpu_ldst.h
index ef54cb7e1f8..3f9063aaded 100644
--- a/include/exec/cpu_ldst.h
+++ b/include/exec/cpu_ldst.h
@@ -70,14 +70,14 @@ typedef uint64_t abi_ptr;
 #endif
 
 /* All direct uses of g2h and h2g need to go away for usermode softmmu.  */
-#define g2h(x) ((void *)((unsigned long)(abi_ptr)(x) + guest_base))
+#define g2h(x) ((void *)((uintptr_t)(abi_ptr)(x) + guest_base))
 
 #if HOST_LONG_BITS <= TARGET_VIRT_ADDR_SPACE_BITS
 #define guest_addr_valid(x) (1)
 #else
 #define guest_addr_valid(x) ((x) <= GUEST_ADDR_MAX)
 #endif
-#define h2g_valid(x) guest_addr_valid((unsigned long)(x) - guest_base)
+#define h2g_valid(x) guest_addr_valid((uintptr_t)(x) - guest_base)
 
 static inline int guest_range_valid(unsigned long start, unsigned long len)
 {
@@ -85,7 +85,7 @@ static inline int guest_range_valid(unsigned long start, unsigned long len)
 }
 
 #define h2g_nocheck(x) ({ \
-    unsigned long __ret = (unsigned long)(x) - guest_base; \
+    uintptr_t __ret = (uintptr_t)(x) - guest_base; \
     (abi_ptr)__ret; \
 })
 
-- 
2.20.1


Re: [PULL 13/45] exec: Use uintptr_t in cpu_ldst.h
Posted by Philippe Mathieu-Daudé 4 years, 2 months ago
Hi Richard,

On 2/11/21 1:58 PM, Peter Maydell wrote:
> From: Richard Henderson <richard.henderson@linaro.org>
> 
> This is more descriptive than 'unsigned long'.
> No functional change, since these match on all linux+bsd hosts.
> 
> Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
> Message-id: 20210210000223.884088-5-richard.henderson@linaro.org
> Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
> ---
>  include/exec/cpu_ldst.h | 6 +++---
>  1 file changed, 3 insertions(+), 3 deletions(-)

I reviewed this (and following) patch in v4:
https://www.mail-archive.com/qemu-devel@nongnu.org/msg778419.html
https://www.mail-archive.com/qemu-devel@nongnu.org/msg778412.html

No worries, not a big deal, just to mention there might be some
issue in your tooling.

Phil.