diff options
Diffstat (limited to 'gdb/hppa-tdep.c')
| -rw-r--r-- | gdb/hppa-tdep.c | 32 |
1 files changed, 0 insertions, 32 deletions
diff --git a/gdb/hppa-tdep.c b/gdb/hppa-tdep.c index f3cff64..5c0da34 100644 --- a/gdb/hppa-tdep.c +++ b/gdb/hppa-tdep.c @@ -68,10 +68,6 @@ const struct objfile_data *hppa_objfile_priv_data = NULL; #define UNWIND_ENTRY_SIZE 16 #define STUB_UNWIND_ENTRY_SIZE 8 -/* FIXME: brobecker 2002-11-07: We will likely be able to make the - following functions static, once we hppa is partially multiarched. */ -int hppa_pc_requires_run_before_use (CORE_ADDR pc); - /* Routines to extract various sized constants out of hppa instructions. */ @@ -2612,34 +2608,6 @@ unwind_command (char *exp, int from_tty) } } -int -hppa_pc_requires_run_before_use (CORE_ADDR pc) -{ - /* Sometimes we may pluck out a minimal symbol that has a negative address. - - An example of this occurs when an a.out is linked against a foo.sl. - The foo.sl defines a global bar(), and the a.out declares a signature - for bar(). However, the a.out doesn't directly call bar(), but passes - its address in another call. - - If you have this scenario and attempt to "break bar" before running, - gdb will find a minimal symbol for bar() in the a.out. But that - symbol's address will be negative. What this appears to denote is - an index backwards from the base of the procedure linkage table (PLT) - into the data linkage table (DLT), the end of which is contiguous - with the start of the PLT. This is clearly not a valid address for - us to set a breakpoint on. - - Note that one must be careful in how one checks for a negative address. - 0xc0000000 is a legitimate address of something in a shared text - segment, for example. Since I don't know what the possible range - is of these "really, truly negative" addresses that come from the - minimal symbols, I'm resorting to the gross hack of checking the - top byte of the address for all 1's. Sigh. */ - - return (!target_has_stack && (pc & 0xFF000000) == 0xFF000000); -} - /* Return the GDB type object for the "standard" data type of data in register REGNUM. */ |