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* Makefile.in (ALLDEPFILES): Add alpha-osf1-tdep.c.

Browse source 
(alpha-osf1-tdep.o): New dependency list.
* alpha-tdep.h (gdbarch_tdep): Add dynamic_sigtramp_offset
and skip_sigtramp_frame members.
* alpha-linux-tdep.c: Include gdbcore.h.
(alpha_linux_sigtramp_offset): Change return type to LONGEST.
(alpha_linux_init_abi): Initialize tdep->dynamic_sigtramp_offset.
* alpha-osf1-tdep.c: New file.
* alpha-tdep.c (alpha_osf_skip_sigtramp_frame): Moved to
alpha-osf1-dep.c.
(alpha_frame_past_sigtramp_frame): New function.
(alpha_dynamic_sigtramp_offset): Ditto.
(alpha_proc_desc_is_dyn_sigtramp): Ditto.
(alpha_set_proc_desc_is_dyn_sigtramp): Ditto.
(ALPHA_PROC_SIGTRAMP_MAGIC): Define.
(push_sigtramp_desc): Use alpha_set_proc_desc_is_dyn_sigtramp.
(after_prologue): Use alpha_proc_desc_is_dyn_sigtramp.
(find_proc_desc): Use alpha_dynamic_sigtramp_offset.
(alpha_frame_chain): Use alpha_frame_past_sigtramp_frame.
(alpha_init_extra_frame_info): Use alpha_proc_desc_is_dyn_sigtramp.
(alpha_pop_frame): Use alpha_proc_desc_is_dyn_sigtramp.
(alpha_gdbarch_init): Initialize tdep->dynamic_sigtramp_offset
and tdep->skip_sigtramp_frame.  Set gdbarch_skip_trampoline_code
to find_solib_trampoline_target.
* config/alpha/alpha-osf1.mt (TDEPFILES): Add alpha-osf1-tdep.o.
* config/alpha/tm-alpha.h: Remove inclusion of regcache.h.
(SKIP_TRAMPOLINE_CODE): Remove.
(PROC_DESC_IS_DYN_SIGTRAMP): Ditto.
(SET_PROC_DESC_IS_DYN_SIGTRAMP): Ditto.
(DYNAMIC_SIGTRAMP_OFFSET): Ditto.
(FRAME_PAST_SIGTRAMP_FRAME): Ditto.
* config/alpha/tm-alphalinux.h (PROC_DESC_IS_DYN_SIGTRAMP): Remove.
(PROC_SIGTRAMP_MAGIC): Ditto.
(PROC_DESC_IS_DYN_SIGTRAMP): Ditto.
(SET_PROC_DESC_IS_DYN_SIGTRAMP): Ditto.
(SET_PROC_DESC_IS_DYN_SIGTRAMP): Ditto.
(DYNAMIC_SIGTRAMP_OFFSET): Ditto.
(FRAME_PAST_SIGTRAMP_FRAME): Ditto.
This commit is contained in:
Jason Thorpe 2002-04-25 02:28:57 +00:00
parent 2f4bc57b95
commit 36a6271d5e
9 changed files with 172 additions and 87 deletions
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29
gdb/config/alpha/tm-alphalinux.h
View file

@ -29,7 +29,7 @@
/* Are we currently handling a signal ? */
extern long alpha_linux_sigtramp_offset (CORE_ADDR);
extern LONGEST alpha_linux_sigtramp_offset (CORE_ADDR);
#undef IN_SIGTRAMP
#define IN_SIGTRAMP(pc, name) (alpha_linux_sigtramp_offset (pc) >= 0)
@ -42,42 +42,15 @@ extern long alpha_linux_sigtramp_offset (CORE_ADDR);
/* Number of traps that happen between exec'ing the shell to run an
inferior, and when we finally get to the inferior code. This is 2
on GNU/Linux and most implementations. */
#undef START_INFERIOR_TRAPS_EXPECTED
#define START_INFERIOR_TRAPS_EXPECTED 2
/* Return TRUE if procedure descriptor PROC is a procedure descriptor
that refers to a dynamically generated sigtramp function. */
#undef PROC_DESC_IS_DYN_SIGTRAMP
#define PROC_SIGTRAMP_MAGIC 0x0e0f0f0f
#define PROC_DESC_IS_DYN_SIGTRAMP(proc) ((proc)->pdr.isym \
== PROC_SIGTRAMP_MAGIC)
#undef SET_PROC_DESC_IS_DYN_SIGTRAMP
#define SET_PROC_DESC_IS_DYN_SIGTRAMP(proc) ((proc)->pdr.isym \
= PROC_SIGTRAMP_MAGIC)
/* If PC is inside a dynamically generated sigtramp function, return
how many bytes the program counter is beyond the start of that
function. Otherwise, return a negative value. */
#undef DYNAMIC_SIGTRAMP_OFFSET
#define DYNAMIC_SIGTRAMP_OFFSET(pc) (alpha_linux_sigtramp_offset (pc))
/* Translate a signal handler frame into the address of the sigcontext
structure. */
#undef SIGCONTEXT_ADDR
#define SIGCONTEXT_ADDR(frame) ((frame)->frame - 0x298)
/* If FRAME refers to a sigtramp frame, return the address of the next frame.
Under GNU/Linux, sigtramp handlers have dynamically generated
procedure descriptors that make this hack unnecessary. */
#undef FRAME_PAST_SIGTRAMP_FRAME
#define FRAME_PAST_SIGTRAMP_FRAME(frame, pc) (0)
#include "tm-linux.h"
#endif /* TM_LINUXALPHA_H */