diff options
Diffstat (limited to 'gdb/i386-tdep.c')
| -rw-r--r-- | gdb/i386-tdep.c | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/gdb/i386-tdep.c b/gdb/i386-tdep.c index d2baa75..21721de 100644 --- a/gdb/i386-tdep.c +++ b/gdb/i386-tdep.c @@ -1587,6 +1587,40 @@ i386_supply_fpregset (const struct regset *regset, struct regcache *regcache, gdb_assert (len == tdep->sizeof_fpregset); i387_supply_fsave (regcache, regnum, fpregs); } + +/* Return the appropriate register set for the core section identified + by SECT_NAME and SECT_SIZE. */ + +const struct regset * +i386_regset_from_core_section (struct gdbarch *gdbarch, + const char *sect_name, size_t sect_size) +{ + struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch); + + if (strcmp (sect_name, ".reg") == 0 && sect_size == tdep->sizeof_gregset) + { + if (tdep->gregset == NULL) + { + tdep->gregset = XMALLOC (struct regset); + tdep->gregset->descr = tdep; + tdep->gregset->supply_regset = i386_supply_gregset; + } + return tdep->gregset; + } + + if (strcmp (sect_name, ".reg2") == 0 && sect_size == tdep->sizeof_fpregset) + { + if (tdep->fpregset == NULL) + { + tdep->fpregset = XMALLOC (struct regset); + tdep->fpregset->descr = tdep; + tdep->fpregset->supply_regset = i386_supply_fpregset; + } + return tdep->fpregset; + } + + return NULL; +} #ifdef STATIC_TRANSFORM_NAME @@ -1977,6 +2011,13 @@ i386_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches) frame_unwind_append_sniffer (gdbarch, i386_sigtramp_frame_sniffer); frame_unwind_append_sniffer (gdbarch, i386_frame_sniffer); + /* If we have a register mapping, enable the generic core file + support, unless it has already been enabled. */ + if (tdep->gregset_reg_offset + && !gdbarch_regset_from_core_section_p (gdbarch)) + set_gdbarch_regset_from_core_section (gdbarch, + i386_regset_from_core_section); + /* Unless support for MMX has been disabled, make %mm0 the first pseudo-register. */ if (tdep->mm0_regnum == 0) |