From fe78531dcfcd709286a292c7707b987685f61919 Mon Sep 17 00:00:00 2001 From: Jan Kratochvil Date: Mon, 4 Jun 2012 14:35:25 +0000 Subject: bfd/ * bfd-in.h (bfd_elf_bfd_from_remote_memory): Make LEN argument of target_read_memory as bfd_size_type. * bfd-in2.h: Regenerate. * elf-bfd.h (elf_backend_bfd_from_remote_memory): Make LEN argument of target_read_memory as bfd_size_type. (_bfd_elf32_bfd_from_remote_memory): Likewise. (_bfd_elf64_bfd_from_remote_memory): Likewise. * elf.c (bfd_elf_bfd_from_remote_memory): Likewise. * elfcode.h (NAME(_bfd_elf,bfd_from_remote_memory)): Likewise. gdb/ * symfile-mem.c: 3 new gdb_static_assert for target_read_memory_bfd parameters. (target_read_memory_bfd): New function. (symbol_file_add_from_memory): Use it. --- gdb/symfile-mem.c | 21 ++++++++++++++++++++- 1 file changed, 20 insertions(+), 1 deletion(-) (limited to 'gdb/symfile-mem.c') diff --git a/gdb/symfile-mem.c b/gdb/symfile-mem.c index 91125e15e5f..45d95a77e67 100644 --- a/gdb/symfile-mem.c +++ b/gdb/symfile-mem.c @@ -55,6 +55,25 @@ #include "auxv.h" #include "elf/common.h" +/* Verify parameters of target_read_memory_bfd and target_read_memory are + compatible. */ + +gdb_static_assert (sizeof (CORE_ADDR) == sizeof (bfd_vma)); +gdb_static_assert (sizeof (gdb_byte) == sizeof (bfd_byte)); +gdb_static_assert (sizeof (size_t) <= sizeof (bfd_size_type)); + +/* Provide bfd/ compatible prototype for target_read_memory. Casting would not + be enough as LEN width may differ. */ + +static int +target_read_memory_bfd (bfd_vma memaddr, bfd_byte *myaddr, bfd_size_type len) +{ + /* MYADDR must be already allocated for the LEN size so it has to fit in + size_t. */ + gdb_assert ((size_t) len == len); + + return target_read_memory (memaddr, myaddr, len); +} /* Read inferior memory at ADDR to find the header of a loaded object file and read its in-core symbols out of inferior memory. TEMPL is a bfd @@ -77,7 +96,7 @@ symbol_file_add_from_memory (struct bfd *templ, CORE_ADDR addr, char *name, error (_("add-symbol-file-from-memory not supported for this target")); nbfd = bfd_elf_bfd_from_remote_memory (templ, addr, &loadbase, - target_read_memory); + target_read_memory_bfd); if (nbfd == NULL) error (_("Failed to read a valid object file image from memory.")); -- cgit v1.2.1