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Work around targets that don't yet define JB_PC or JB_ELEMENT_SIZE.

This commit is contained in:
Andrew Cagney 2000-11-08 12:26:15 +00:00
parent f4281f55cf
commit 2765b7984f
2 changed files with 15 additions and 0 deletions
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5
gdb/ChangeLog
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@ -1,3 +1,8 @@
Wed Nov 8 23:08:48 2000 Andrew Cagney <cagney@b1.cygnus.com>
* m68k-tdep.c (m68k_get_longjmp_target): Work around targets that
don't define JB_PC or JB_ELEMENT_SIZE.
Wed Nov 8 22:46:43 2000 Andrew Cagney <cagney@b1.cygnus.com>
* m68k-tdep.c (m68k_get_longjmp_target): Rename function

10
gdb/m68k-tdep.c
View File

@ -642,9 +642,15 @@ fill_fpregset (fpregset_t *fpregsetp, int regno)
we extract the pc (JB_PC) that we will land at. The pc is copied into PC.
This routine returns true on success. */
/* NOTE: cagney/2000-11-08: For this function to be fully multi-arched
the macro's JB_PC and JB_ELEMENT_SIZE would need to be moved into
the ``struct gdbarch_tdep'' object and then set on a target ISA/ABI
dependant basis. */
int
m68k_get_longjmp_target (CORE_ADDR *pc)
{
#if defined (JB_PC) && defined (JB_ELEMENT_SIZE)
char *buf;
CORE_ADDR sp, jb_addr;
@ -665,6 +671,10 @@ m68k_get_longjmp_target (CORE_ADDR *pc)
*pc = extract_address (buf, TARGET_PTR_BIT / TARGET_CHAR_BIT);
return 1;
#else
internal_error ("m68k_get_longjmp_target: not implemented");
return 0;
#endif
}
/* Immediately after a function call, return the saved pc before the frame