diff mbox series

[05/11] disas: Use qemu/bswap.h for bfd endian loads

Message ID 20200914000153.1725632-6-richard.henderson@linaro.org
State New
Headers show
Series capstone + disassembler patches | expand

Commit Message

Richard Henderson Sept. 14, 2020, 12:01 a.m. UTC
Use the routines we have already instead of open-coding.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

---
 include/disas/dis-asm.h | 32 ++++++++++++++++++++----
 disas.c                 | 55 -----------------------------------------
 2 files changed, 27 insertions(+), 60 deletions(-)

-- 
2.25.1

Comments

Philippe Mathieu-Daudé Sept. 14, 2020, 5:49 a.m. UTC | #1
On 9/14/20 2:01 AM, Richard Henderson wrote:
> Use the routines we have already instead of open-coding.


Yay \o/
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>


> 

> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

> ---

>  include/disas/dis-asm.h | 32 ++++++++++++++++++++----

>  disas.c                 | 55 -----------------------------------------

>  2 files changed, 27 insertions(+), 60 deletions(-)

> 

> diff --git a/include/disas/dis-asm.h b/include/disas/dis-asm.h

> index d2418c977e..8a216ac495 100644

> --- a/include/disas/dis-asm.h

> +++ b/include/disas/dis-asm.h

> @@ -468,11 +468,33 @@ int print_insn_rx(bfd_vma, disassemble_info *);

>  

>  /* from libbfd */

>  

> -bfd_vma bfd_getl64 (const bfd_byte *addr);

> -bfd_vma bfd_getl32 (const bfd_byte *addr);

> -bfd_vma bfd_getb32 (const bfd_byte *addr);

> -bfd_vma bfd_getl16 (const bfd_byte *addr);

> -bfd_vma bfd_getb16 (const bfd_byte *addr);

> +#include "qemu/bswap.h"

> +

> +static inline bfd_vma bfd_getl64(const bfd_byte *addr)

> +{

> +    return ldq_le_p(addr);

> +}

> +

> +static inline bfd_vma bfd_getl32(const bfd_byte *addr)

> +{

> +    return (uint32_t)ldl_le_p(addr);

> +}

> +

> +static inline bfd_vma bfd_getl16(const bfd_byte *addr)

> +{

> +    return lduw_le_p(addr);

> +}

> +

> +static inline bfd_vma bfd_getb32(const bfd_byte *addr)

> +{

> +    return (uint32_t)ldl_be_p(addr);

> +}

> +

> +static inline bfd_vma bfd_getb16(const bfd_byte *addr)

> +{

> +    return lduw_be_p(addr);

> +}

> +

>  typedef bool bfd_boolean;

>  

>  #endif /* DISAS_DIS_ASM_H */

> diff --git a/disas.c b/disas.c

> index 50b5677930..20fad6aabb 100644

> --- a/disas.c

> +++ b/disas.c

> @@ -85,61 +85,6 @@ generic_symbol_at_address (bfd_vma addr, struct disassemble_info *info)

>    return 1;

>  }

>  

> -bfd_vma bfd_getl64 (const bfd_byte *addr)

> -{

> -  unsigned long long v;

> -

> -  v = (unsigned long long) addr[0];

> -  v |= (unsigned long long) addr[1] << 8;

> -  v |= (unsigned long long) addr[2] << 16;

> -  v |= (unsigned long long) addr[3] << 24;

> -  v |= (unsigned long long) addr[4] << 32;

> -  v |= (unsigned long long) addr[5] << 40;

> -  v |= (unsigned long long) addr[6] << 48;

> -  v |= (unsigned long long) addr[7] << 56;

> -  return (bfd_vma) v;

> -}

> -

> -bfd_vma bfd_getl32 (const bfd_byte *addr)

> -{

> -  unsigned long v;

> -

> -  v = (unsigned long) addr[0];

> -  v |= (unsigned long) addr[1] << 8;

> -  v |= (unsigned long) addr[2] << 16;

> -  v |= (unsigned long) addr[3] << 24;

> -  return (bfd_vma) v;

> -}

> -

> -bfd_vma bfd_getb32 (const bfd_byte *addr)

> -{

> -  unsigned long v;

> -

> -  v = (unsigned long) addr[0] << 24;

> -  v |= (unsigned long) addr[1] << 16;

> -  v |= (unsigned long) addr[2] << 8;

> -  v |= (unsigned long) addr[3];

> -  return (bfd_vma) v;

> -}

> -

> -bfd_vma bfd_getl16 (const bfd_byte *addr)

> -{

> -  unsigned long v;

> -

> -  v = (unsigned long) addr[0];

> -  v |= (unsigned long) addr[1] << 8;

> -  return (bfd_vma) v;

> -}

> -

> -bfd_vma bfd_getb16 (const bfd_byte *addr)

> -{

> -  unsigned long v;

> -

> -  v = (unsigned long) addr[0] << 24;

> -  v |= (unsigned long) addr[1] << 16;

> -  return (bfd_vma) v;

> -}

> -

>  static int print_insn_objdump(bfd_vma pc, disassemble_info *info,

>                                const char *prefix)

>  {

>
diff mbox series

Patch

diff --git a/include/disas/dis-asm.h b/include/disas/dis-asm.h
index d2418c977e..8a216ac495 100644
--- a/include/disas/dis-asm.h
+++ b/include/disas/dis-asm.h
@@ -468,11 +468,33 @@  int print_insn_rx(bfd_vma, disassemble_info *);
 
 /* from libbfd */
 
-bfd_vma bfd_getl64 (const bfd_byte *addr);
-bfd_vma bfd_getl32 (const bfd_byte *addr);
-bfd_vma bfd_getb32 (const bfd_byte *addr);
-bfd_vma bfd_getl16 (const bfd_byte *addr);
-bfd_vma bfd_getb16 (const bfd_byte *addr);
+#include "qemu/bswap.h"
+
+static inline bfd_vma bfd_getl64(const bfd_byte *addr)
+{
+    return ldq_le_p(addr);
+}
+
+static inline bfd_vma bfd_getl32(const bfd_byte *addr)
+{
+    return (uint32_t)ldl_le_p(addr);
+}
+
+static inline bfd_vma bfd_getl16(const bfd_byte *addr)
+{
+    return lduw_le_p(addr);
+}
+
+static inline bfd_vma bfd_getb32(const bfd_byte *addr)
+{
+    return (uint32_t)ldl_be_p(addr);
+}
+
+static inline bfd_vma bfd_getb16(const bfd_byte *addr)
+{
+    return lduw_be_p(addr);
+}
+
 typedef bool bfd_boolean;
 
 #endif /* DISAS_DIS_ASM_H */
diff --git a/disas.c b/disas.c
index 50b5677930..20fad6aabb 100644
--- a/disas.c
+++ b/disas.c
@@ -85,61 +85,6 @@  generic_symbol_at_address (bfd_vma addr, struct disassemble_info *info)
   return 1;
 }
 
-bfd_vma bfd_getl64 (const bfd_byte *addr)
-{
-  unsigned long long v;
-
-  v = (unsigned long long) addr[0];
-  v |= (unsigned long long) addr[1] << 8;
-  v |= (unsigned long long) addr[2] << 16;
-  v |= (unsigned long long) addr[3] << 24;
-  v |= (unsigned long long) addr[4] << 32;
-  v |= (unsigned long long) addr[5] << 40;
-  v |= (unsigned long long) addr[6] << 48;
-  v |= (unsigned long long) addr[7] << 56;
-  return (bfd_vma) v;
-}
-
-bfd_vma bfd_getl32 (const bfd_byte *addr)
-{
-  unsigned long v;
-
-  v = (unsigned long) addr[0];
-  v |= (unsigned long) addr[1] << 8;
-  v |= (unsigned long) addr[2] << 16;
-  v |= (unsigned long) addr[3] << 24;
-  return (bfd_vma) v;
-}
-
-bfd_vma bfd_getb32 (const bfd_byte *addr)
-{
-  unsigned long v;
-
-  v = (unsigned long) addr[0] << 24;
-  v |= (unsigned long) addr[1] << 16;
-  v |= (unsigned long) addr[2] << 8;
-  v |= (unsigned long) addr[3];
-  return (bfd_vma) v;
-}
-
-bfd_vma bfd_getl16 (const bfd_byte *addr)
-{
-  unsigned long v;
-
-  v = (unsigned long) addr[0];
-  v |= (unsigned long) addr[1] << 8;
-  return (bfd_vma) v;
-}
-
-bfd_vma bfd_getb16 (const bfd_byte *addr)
-{
-  unsigned long v;
-
-  v = (unsigned long) addr[0] << 24;
-  v |= (unsigned long) addr[1] << 16;
-  return (bfd_vma) v;
-}
-
 static int print_insn_objdump(bfd_vma pc, disassemble_info *info,
                               const char *prefix)
 {