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| author | John Darrington <john@darrington.wattle.id.au> | 2018-07-24 12:58:43 +0200 |
|---|---|---|
| committer | Alan Modra <amodra@gmail.com> | 2018-07-27 11:28:59 +0930 |
| commit | 370e4b5079ff8d62be3adee7396948d4c5795091 (patch) | |
| tree | 6cddc1bcfede5c1a64562cca7e5396dcd25c3c42 /bfd/libbfd.c | |
| parent | cd4d353f812a3ecb29cabf0e62319253daf510fa (diff) | |
| download | gdb-370e4b5079ff8d62be3adee7396948d4c5795091.zip gdb-370e4b5079ff8d62be3adee7396948d4c5795091.tar.gz gdb-370e4b5079ff8d62be3adee7396948d4c5795091.tar.bz2 | |
Add functions and macros to read and write 24 bit values.
* libbfd.c (bfd_getb24, bfd_getl24): New functions.
(bfd_get_24, bfd_put_24): New macros.
* bfd-in2.h: Regenerate.
Diffstat (limited to 'bfd/libbfd.c')
| -rw-r--r-- | bfd/libbfd.c | 39 |
1 files changed, 37 insertions, 2 deletions
diff --git a/bfd/libbfd.c b/bfd/libbfd.c index 971be4f..7c45d52 100644 --- a/bfd/libbfd.c +++ b/bfd/libbfd.c @@ -458,6 +458,20 @@ DESCRIPTION .#define bfd_get_signed_16(abfd, ptr) \ . BFD_SEND (abfd, bfd_getx_signed_16, (ptr)) . +.#define bfd_put_24(abfd, val, ptr) \ +. do \ +. if (bfd_big_endian (abfd)) \ +. bfd_putb24 ((val), (ptr)); \ +. else \ +. bfd_putl24 ((val), (ptr)); \ +. while (0) +. +.bfd_vma bfd_getb24 (const void *p); +.bfd_vma bfd_getl24 (const void *p); +. +.#define bfd_get_24(abfd, ptr) \ +. (bfd_big_endian (abfd) ? bfd_getb24 (ptr) : bfd_getl24 (ptr)) +. .#define bfd_put_32(abfd, val, ptr) \ . BFD_SEND (abfd, bfd_putx32, ((val),(ptr))) .#define bfd_put_signed_32 \ @@ -613,7 +627,6 @@ bfd_putl16 (bfd_vma data, void *p) addr[1] = (data >> 8) & 0xff; } - void bfd_putb24 (bfd_vma data, void *p) { @@ -623,7 +636,6 @@ bfd_putb24 (bfd_vma data, void *p) addr[2] = data & 0xff; } - void bfd_putl24 (bfd_vma data, void *p) { @@ -633,6 +645,29 @@ bfd_putl24 (bfd_vma data, void *p) addr[2] = (data >> 16) & 0xff; } +bfd_vma +bfd_getb24 (const void *p) +{ + const bfd_byte *addr = (const bfd_byte *) p; + unsigned long v; + + v = (unsigned long) addr[0] << 16; + v |= (unsigned long) addr[1] << 8; + v |= (unsigned long) addr[2]; + return v; +} + +bfd_vma +bfd_getl24 (const void *p) +{ + const bfd_byte *addr = (const bfd_byte *) p; + unsigned long v; + + v = (unsigned long) addr[0]; + v |= (unsigned long) addr[1] << 8; + v |= (unsigned long) addr[2] << 16; + return v; +} bfd_vma bfd_getb32 (const void *p) |