From f2524b93f342c757b14cc16595e00833aaaa49b5 Mon Sep 17 00:00:00 2001 From: Andrew Cagney Date: Sat, 1 May 2004 15:34:49 +0000 Subject: [PATCH] 2004-05-01 Andrew Cagney * alpha-tdep.c (alpha_sigtramp_frame_sniffer): Use pc_in_sigtramp. * alpha-tdep.h (struct gdbarch_tdep): Add pc_in_sigtramp. * alphafbsd-tdep.c (alphafbsd_init_abi): Update. * alpha-osf1-tdep.c (alpha_osf1_init_abi): Update. * alpha-linux-tdep.c (alpha_linux_init_abi): Update. --- gdb/ChangeLog | 6 ++++++ gdb/alpha-linux-tdep.c | 3 +-- gdb/alpha-osf1-tdep.c | 2 +- gdb/alpha-tdep.c | 14 ++++++++++---- gdb/alpha-tdep.h | 6 ++++++ gdb/alphafbsd-tdep.c | 3 +-- gdb/alphanbsd-tdep.c | 3 +-- 7 files changed, 26 insertions(+), 11 deletions(-) diff --git a/gdb/ChangeLog b/gdb/ChangeLog index f0ee01654d0..c6f4bccc203 100644 --- a/gdb/ChangeLog +++ b/gdb/ChangeLog @@ -1,5 +1,11 @@ 2004-05-01 Andrew Cagney + * alpha-tdep.c (alpha_sigtramp_frame_sniffer): Use pc_in_sigtramp. + * alpha-tdep.h (struct gdbarch_tdep): Add pc_in_sigtramp. + * alphafbsd-tdep.c (alphafbsd_init_abi): Update. + * alpha-osf1-tdep.c (alpha_osf1_init_abi): Update. + * alpha-linux-tdep.c (alpha_linux_init_abi): Update. + * Makefile.in (m68klinux-nat.o): Update dependencies. * m68klinux-tdep.c: Include "trad-frame.h" and "frame-unwind.h". (m68k_linux_sigtramp_frame_cache) diff --git a/gdb/alpha-linux-tdep.c b/gdb/alpha-linux-tdep.c index 344195eee49..02036ba3a59 100644 --- a/gdb/alpha-linux-tdep.c +++ b/gdb/alpha-linux-tdep.c @@ -134,11 +134,10 @@ alpha_linux_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch) /* Hook into the MDEBUG frame unwinder. */ alpha_mdebug_init_abi (info, gdbarch); - set_gdbarch_deprecated_pc_in_sigtramp (gdbarch, alpha_linux_pc_in_sigtramp); - tdep = gdbarch_tdep (gdbarch); tdep->dynamic_sigtramp_offset = alpha_linux_sigtramp_offset; tdep->sigcontext_addr = alpha_linux_sigcontext_addr; + tdep->pc_in_sigtramp = alpha_linux_pc_in_sigtramp; tdep->jb_pc = 2; tdep->jb_elt_size = 8; } diff --git a/gdb/alpha-osf1-tdep.c b/gdb/alpha-osf1-tdep.c index 1fc988956f6..b5879ad551c 100644 --- a/gdb/alpha-osf1-tdep.c +++ b/gdb/alpha-osf1-tdep.c @@ -54,13 +54,13 @@ alpha_osf1_init_abi (struct gdbarch_info info, /* Hook into the MDEBUG frame unwinder. */ alpha_mdebug_init_abi (info, gdbarch); - set_gdbarch_deprecated_pc_in_sigtramp (gdbarch, alpha_osf1_pc_in_sigtramp); /* The next/step support via procfs on OSF1 is broken when running on multi-processor machines. We need to use software single stepping instead. */ set_gdbarch_software_single_step (gdbarch, alpha_software_single_step); tdep->sigcontext_addr = alpha_osf1_sigcontext_addr; + tdep->pc_in_sigtramp = alpha_osf1_pc_in_sigtramp; tdep->jb_pc = 2; tdep->jb_elt_size = 8; diff --git a/gdb/alpha-tdep.c b/gdb/alpha-tdep.c index 0f4eaa7611d..378b652feef 100644 --- a/gdb/alpha-tdep.c +++ b/gdb/alpha-tdep.c @@ -863,14 +863,20 @@ alpha_sigtramp_frame_sniffer (struct frame_info *next_frame) CORE_ADDR pc = frame_pc_unwind (next_frame); char *name; - /* We shouldn't even bother to try if the OSABI didn't register - a sigcontext_addr handler. */ - if (!gdbarch_tdep (current_gdbarch)->sigcontext_addr) + /* NOTE: cagney/2004-04-30: Do not copy/clone this code. Instead + look at tramp-frame.h and other simplier per-architecture + sigtramp unwinders. */ + + /* We shouldn't even bother to try if the OSABI didn't register a + sigcontext_addr handler or pc_in_sigtramp hander. */ + if (gdbarch_tdep (current_gdbarch)->sigcontext_addr == NULL) + return NULL; + if (gdbarch_tdep (current_gdbarch)->pc_in_sigtramp == NULL) return NULL; /* Otherwise we should be in a signal frame. */ find_pc_partial_function (pc, &name, NULL, NULL); - if (DEPRECATED_PC_IN_SIGTRAMP (pc, name)) + if (gdbarch_tdep (current_gdbarch)->pc_in_sigtramp (pc, name)) return &alpha_sigtramp_frame_unwind; return NULL; diff --git a/gdb/alpha-tdep.h b/gdb/alpha-tdep.h index 828a3c6b2f7..b1b8516bc7c 100644 --- a/gdb/alpha-tdep.h +++ b/gdb/alpha-tdep.h @@ -83,6 +83,12 @@ struct gdbarch_tdep the sigcontext structure for that signal handler. */ CORE_ADDR (*sigcontext_addr) (struct frame_info *); + /* Does the PC fall in a signal trampoline. */ + /* NOTE: cagney/2004-04-30: Do not copy/clone this code. Instead + look at tramp-frame.h and other simplier per-architecture + sigtramp unwinders. */ + int (*pc_in_sigtramp) (CORE_ADDR pc, char *name); + /* Offset of registers in `struct sigcontext'. */ int sc_pc_offset; int sc_regs_offset; diff --git a/gdb/alphafbsd-tdep.c b/gdb/alphafbsd-tdep.c index 77bd6eaac34..661cf0285e9 100644 --- a/gdb/alphafbsd-tdep.c +++ b/gdb/alphafbsd-tdep.c @@ -100,10 +100,9 @@ alphafbsd_init_abi (struct gdbarch_info info, set_gdbarch_use_struct_convention (gdbarch, alphafbsd_use_struct_convention); - set_gdbarch_deprecated_pc_in_sigtramp (gdbarch, alphafbsd_pc_in_sigtramp); - tdep->dynamic_sigtramp_offset = alphafbsd_sigtramp_offset; tdep->sigcontext_addr = alphafbsd_sigcontext_addr; + tdep->pc_in_sigtramp = alphafbsd_pc_in_sigtramp; tdep->sc_pc_offset = 288; tdep->sc_regs_offset = 24; tdep->sc_fpregs_offset = 320; diff --git a/gdb/alphanbsd-tdep.c b/gdb/alphanbsd-tdep.c index 24fa358b82e..c8a441bb868 100644 --- a/gdb/alphanbsd-tdep.c +++ b/gdb/alphanbsd-tdep.c @@ -205,8 +205,6 @@ alphanbsd_init_abi (struct gdbarch_info info, /* Hook into the MDEBUG frame unwinder. */ alpha_mdebug_init_abi (info, gdbarch); - set_gdbarch_deprecated_pc_in_sigtramp (gdbarch, alphanbsd_pc_in_sigtramp); - /* NetBSD/alpha does not provide single step support via ptrace(2); we must use software single-stepping. */ set_gdbarch_software_single_step (gdbarch, alpha_software_single_step); @@ -215,6 +213,7 @@ alphanbsd_init_abi (struct gdbarch_info info, nbsd_lp64_solib_svr4_fetch_link_map_offsets); tdep->dynamic_sigtramp_offset = alphanbsd_sigtramp_offset; + tdep->pc_in_sigtramp = alphanbsd_pc_in_sigtramp; tdep->sigcontext_addr = alphanbsd_sigcontext_addr; tdep->jb_pc = 2; -- 2.30.2