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| author | Andrew Cagney <cagney@redhat.com> | 2001-06-15 22:10:21 +0000 |
|---|---|---|
| committer | Andrew Cagney <cagney@redhat.com> | 2001-06-15 22:10:21 +0000 |
| commit | 04201ba910bb5a27ecaa5202fb05c89a37c427e9 (patch) | |
| tree | d89e178ebda01318a6e1d72ae2de277d57ae5fe2 /gdb/gdbarch.h | |
| parent | 17e0a8c1757379145028cb80f9178c600a9c3aa7 (diff) | |
| download | gdb-04201ba910bb5a27ecaa5202fb05c89a37c427e9.tar.gz | |
multi-arch ADDR_BITS_REMOVE.
Diffstat (limited to 'gdb/gdbarch.h')
| -rw-r--r-- | gdb/gdbarch.h | 26 |
1 files changed, 25 insertions, 1 deletions
diff --git a/gdb/gdbarch.h b/gdb/gdbarch.h index 51cc4401af8..ddea0c0a101 100644 --- a/gdb/gdbarch.h +++ b/gdb/gdbarch.h @@ -1513,7 +1513,7 @@ extern void set_gdbarch_long_double_format (struct gdbarch *gdbarch, const struc /* Default (function) for non- multi-arch platforms. */ #if (!GDB_MULTI_ARCH) && !defined (CONVERT_FROM_FUNC_PTR_ADDR) -#define CONVERT_FROM_FUNC_PTR_ADDR(addr) (default_convert_from_func_ptr_addr (addr)) +#define CONVERT_FROM_FUNC_PTR_ADDR(addr) (core_addr_identity (addr)) #endif typedef CORE_ADDR (gdbarch_convert_from_func_ptr_addr_ftype) (CORE_ADDR addr); @@ -1525,6 +1525,30 @@ extern void set_gdbarch_convert_from_func_ptr_addr (struct gdbarch *gdbarch, gdb #endif #endif +/* On some machines there are bits in addresses which are not really + part of the address, but are used by the kernel, the hardware, etc. + for special purposes. ADDR_BITS_REMOVE takes out any such bits so + we get a "real" address such as one would find in a symbol table. + This is used only for addresses of instructions, and even then I'm + not sure it's used in all contexts. It exists to deal with there + being a few stray bits in the PC which would mislead us, not as some + sort of generic thing to handle alignment or segmentation (it's + possible it should be in TARGET_READ_PC instead). */ + +/* Default (function) for non- multi-arch platforms. */ +#if (!GDB_MULTI_ARCH) && !defined (ADDR_BITS_REMOVE) +#define ADDR_BITS_REMOVE(addr) (core_addr_identity (addr)) +#endif + +typedef CORE_ADDR (gdbarch_addr_bits_remove_ftype) (CORE_ADDR addr); +extern CORE_ADDR gdbarch_addr_bits_remove (struct gdbarch *gdbarch, CORE_ADDR addr); +extern void set_gdbarch_addr_bits_remove (struct gdbarch *gdbarch, gdbarch_addr_bits_remove_ftype *addr_bits_remove); +#if GDB_MULTI_ARCH +#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !defined (ADDR_BITS_REMOVE) +#define ADDR_BITS_REMOVE(addr) (gdbarch_addr_bits_remove (current_gdbarch, addr)) +#endif +#endif + /* FIXME/cagney/2001-01-18: This should be split in two. A target method that indicates if the target needs software single step. An ISA method to implement it. |