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Fix logic selecting a new architecture. Use the sequence:

Browse Source 
o	provided by INFO
	o	hard-wired by (gdb) set ...
	o	reversed engineered from INFO.abfd
	o	default to previous architecture
This commit is contained in:
Andrew Cagney
2001-05-14 16:43:35 +00:00
parent 4ed00bba84
commit b732d07d86
5 changed files with 112 additions and 123 deletions
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17
gdb/gdbarch.h
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@@ -1607,9 +1607,6 @@ struct gdbarch_list
struct gdbarch_info
{
/* Use default: bfd_arch_unknown (ZERO). */
enum bfd_architecture bfd_architecture;
/* Use default: NULL (ZERO). */
const struct bfd_arch_info *bfd_arch_info;
@@ -1663,16 +1660,12 @@ extern struct gdbarch *gdbarch_alloc (const struct gdbarch_info *info, struct gd
extern void gdbarch_free (struct gdbarch *);
/* Helper function. Force an update of the current architecture. Used
by legacy targets that have added their own target specific
architecture manipulation commands.
/* Helper function. Force an update of the current architecture.
The INFO parameter shall be fully initialized (``memset (&INFO,
sizeof (info), 0)'' set relevant fields) before gdbarch_update_p()
is called. gdbarch_update_p() shall initialize any ``default''
fields using information obtained from the previous architecture or
INFO.ABFD (if specified) before calling the corresponding
architectures INIT function.
The actual architecture selected is determined by INFO, ``(gdb) set
architecture'' et.al., the existing architecture and BFD's default
architecture. INFO should be initialized to zero and then selected
fields should be updated.
Returns non-zero if the update succeeds */