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For completeness, fix the SunOS/sun3 sigtramp support too. 

(I had to change tm-m68k.h which affects tm-sun3.h also.)
This commit is contained in:
gwr 1998-01-14 18:51:06 +00:00
parent 254db76f83
commit 4fea918e34
1 changed files with 16 additions and 1 deletions
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17
gnu/dist/gdb/config/m68k/tm-sun3.h vendored
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@ -84,6 +84,13 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
/* The code which tries to deal with this bug is never harmful on a sun3. */
#define SUN_FIXED_LBRAC_BUG (0)
/* Offset to saved PC in sigcontext, from <sys/signal.h>. */
#define SIGCONTEXT_PC_OFFSET 12
/* The common sigtramp_saved_pc() works fine, but if you insist,
the following is how to do the old SIG_PC_FP_OFFSET hack. */
#if 0 /* XXX */
/* On the sun3 the kernel pushes a sigcontext on the user stack and then
`calls' _sigtramp in user code. _sigtramp saves the floating point status
on the stack and calls the signal handler function. The stack does not
@ -99,8 +106,16 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
Please note that it is impossible to correctly backtrace from a breakpoint
in _sigtramp as _sigtramp modifies the stack pointer a few times. */
#undef SIG_PC_FP_OFFSET
#define SIG_PC_FP_OFFSET 324
#define SIG_SP_FP_OFFSET 332
#undef FRAME_SAVED_PC
#define FRAME_SAVED_PC(FRAME) \
((FRAME)->signal_handler_caller \
? m68k_sigtramp_saved_pc (FRAME) \
: read_memory_integer ((FRAME)->frame + 4, 4))
extern CORE_ADDR m68k_sigtramp_saved_pc PARAMS ((struct frame_info *));
#endif /* XXX */
#endif /* TM_SUN3_H */