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| author | Paul Pluzhnikov <ppluzhnikov@google.com> | 2009-06-11 00:41:03 +0000 |
|---|---|---|
| committer | Paul Pluzhnikov <ppluzhnikov@google.com> | 2009-06-11 00:41:03 +0000 |
| commit | 25b88f335af1b8c7a4428710ffd9066338b167c0 (patch) | |
| tree | fd707bda1bcc8d4d609622b5da49451b5c2e3303 /bfd/bfdio.c | |
| parent | e433f867b0ffb2181886a9c2b3281ad5931ef31b (diff) | |
| download | gdb-25b88f335af1b8c7a4428710ffd9066338b167c0.zip gdb-25b88f335af1b8c7a4428710ffd9066338b167c0.tar.gz gdb-25b88f335af1b8c7a4428710ffd9066338b167c0.tar.bz2 | |
2009-06-10 Paul Pluzhnikov <ppluzhnikov@google.com>
* bfd-in2.h: bfd_mmap prototype
* bfdio.c (bfd_mmap): New function.
* libbfd.h (bfd_iovec): Add bmmap.
* cache.c (cache_bmap): New function.
(cache_iovec): Initialize bmmap member.
* opencls.c (opncls_bmmap): New function.
(opncls_iovec): Initialize bmmap member.
Diffstat (limited to 'bfd/bfdio.c')
| -rw-r--r-- | bfd/bfdio.c | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/bfd/bfdio.c b/bfd/bfdio.c index 16bbf03..9b85338 100644 --- a/bfd/bfdio.c +++ b/bfd/bfdio.c @@ -158,6 +158,8 @@ DESCRIPTION . int (*bclose) (struct bfd *abfd); . int (*bflush) (struct bfd *abfd); . int (*bstat) (struct bfd *abfd, struct stat *sb); +. void* (*bmmap) (struct bfd *abfd, void *addr, bfd_size_type len, +. int prot, int flags, file_ptr offset); .}; */ @@ -511,3 +513,31 @@ bfd_get_size (bfd *abfd) return buf.st_size; } + + +/* +FUNCTION + bfd_mmap + +SYNOPSIS + void *bfd_mmap (bfd *abfd, void *addr, bfd_size_type len, + int prot, int flags, file_ptr offset); + +DESCRIPTION + Return mmap()ed region of the file, if possible and implemented. + +*/ + +void * +bfd_mmap (bfd *abfd, void *addr, bfd_size_type len, + int prot, int flags, file_ptr offset) +{ + void *ret = (void *)-1; + if ((abfd->flags & BFD_IN_MEMORY) != 0) + return ret; + + if (abfd->iovec == NULL) + return ret; + + return abfd->iovec->bmmap (abfd, addr, len, prot, flags, offset); +} |