From c6d41a6f5380624846daca4d9aad5988b3946cbd Mon Sep 17 00:00:00 2001 From: Andreas Arnez Date: Fri, 29 Nov 2013 16:57:54 +0000 Subject: [PATCH] SH: Migrate from 'regset_from_core_section' to 'iterate_over_regset_sections' For Super-H targets, no longer define the gdbarch method 'regset_from_core_section', but the iterator method instead. gdb/ChangeLog: * sh-linux-tdep.c (sh_linux_init_abi): Set tdep fields 'sizeof_gregset' and 'sizeof_fpregset'. * sh-tdep.c (sh_regset_from_core_section): Remove. (sh_iterate_over_regset_sections): New. (sh_gdbarch_init): Adjust gdbarch initialization. * sh-tdep.h (struct gdbarch_tdep): New fields sizeof_gregset and sizeof_fpregset. * shnbsd-tdep.c (shnbsd_init_abi): Set tdep field 'sizeof_gregset'. --- gdb/ChangeLog | 12 ++++++++++++ gdb/sh-linux-tdep.c | 4 ++++ gdb/sh-tdep.c | 21 +++++++++++---------- gdb/sh-tdep.h | 2 ++ gdb/shnbsd-tdep.c | 1 + 5 files changed, 30 insertions(+), 10 deletions(-) diff --git a/gdb/ChangeLog b/gdb/ChangeLog index 8b216e2ce8..fdbe9819cc 100644 --- a/gdb/ChangeLog +++ b/gdb/ChangeLog @@ -1,3 +1,15 @@ +2014-09-30 Andreas Arnez + + * sh-linux-tdep.c (sh_linux_init_abi): Set tdep fields + 'sizeof_gregset' and 'sizeof_fpregset'. + * sh-tdep.c (sh_regset_from_core_section): Remove. + (sh_iterate_over_regset_sections): New. + (sh_gdbarch_init): Adjust gdbarch initialization. + * sh-tdep.h (struct gdbarch_tdep): New fields sizeof_gregset and + sizeof_fpregset. + * shnbsd-tdep.c (shnbsd_init_abi): Set tdep field + 'sizeof_gregset'. + 2014-09-30 Andreas Arnez * score-tdep.c (score7_linux_regset_from_core_section): Remove. diff --git a/gdb/sh-linux-tdep.c b/gdb/sh-linux-tdep.c index 19cba4167a..2cc9fb8c82 100644 --- a/gdb/sh-linux-tdep.c +++ b/gdb/sh-linux-tdep.c @@ -200,8 +200,12 @@ sh_linux_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch) { struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch); + /* Remember regset characteristics. The sizes should match + elf_gregset_t and elf_fpregset_t from Linux. */ tdep->core_gregmap = (struct sh_corefile_regmap *)gregs_table; + tdep->sizeof_gregset = 92; tdep->core_fpregmap = (struct sh_corefile_regmap *)fpregs_table; + tdep->sizeof_fpregset = 136; tramp_frame_prepend_unwinder (gdbarch, &sh_linux_sigreturn_tramp_frame); tramp_frame_prepend_unwinder (gdbarch, &sh_linux_rt_sigreturn_tramp_frame); diff --git a/gdb/sh-tdep.c b/gdb/sh-tdep.c index c8c36db0f5..d91a29217c 100644 --- a/gdb/sh-tdep.c +++ b/gdb/sh-tdep.c @@ -2207,19 +2207,19 @@ static const struct regset sh_corefile_fpregset = sh_corefile_collect_regset }; -static const struct regset * -sh_regset_from_core_section (struct gdbarch *gdbarch, const char *sect_name, - size_t sect_size) +static void +sh_iterate_over_regset_sections (struct gdbarch *gdbarch, + iterate_over_regset_sections_cb *cb, + void *cb_data, + const struct regcache *regcache) { struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch); - if (tdep->core_gregmap && strcmp (sect_name, ".reg") == 0) - return &sh_corefile_gregset; - - if (tdep->core_fpregmap && strcmp (sect_name, ".reg2") == 0) - return &sh_corefile_fpregset; + if (tdep->core_gregmap != NULL) + cb (".reg", tdep->sizeof_gregset, &sh_corefile_gregset, NULL, cb_data); - return NULL; + if (tdep->core_fpregmap != NULL) + cb (".reg2", tdep->sizeof_fpregset, &sh_corefile_fpregset, NULL, cb_data); } /* This is the implementation of gdbarch method @@ -2298,7 +2298,8 @@ sh_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches) dwarf2_frame_set_init_reg (gdbarch, sh_dwarf2_frame_init_reg); - set_gdbarch_regset_from_core_section (gdbarch, sh_regset_from_core_section); + set_gdbarch_iterate_over_regset_sections + (gdbarch, sh_iterate_over_regset_sections); switch (info.bfd_arch_info->mach) { diff --git a/gdb/sh-tdep.h b/gdb/sh-tdep.h index 5d64c744f2..da96a84b8e 100644 --- a/gdb/sh-tdep.h +++ b/gdb/sh-tdep.h @@ -95,10 +95,12 @@ struct gdbarch_tdep where each general-purpose register is stored inside the associated core file section. */ struct sh_corefile_regmap *core_gregmap; + int sizeof_gregset; /* Non-NULL when debugging from a core file and when FP registers are available. Provides the offset where each FP register is stored inside the associated core file section. */ struct sh_corefile_regmap *core_fpregmap; + int sizeof_fpregset; }; extern const struct regset sh_corefile_gregset; diff --git a/gdb/shnbsd-tdep.c b/gdb/shnbsd-tdep.c index 2936661900..a81c2a1f73 100644 --- a/gdb/shnbsd-tdep.c +++ b/gdb/shnbsd-tdep.c @@ -64,6 +64,7 @@ shnbsd_init_abi (struct gdbarch_info info, struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch); tdep->core_gregmap = (struct sh_corefile_regmap *)regmap; + tdep->sizeof_gregset = 84; set_solib_svr4_fetch_link_map_offsets (gdbarch, svr4_ilp32_fetch_link_map_offsets); -- 2.34.1