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* sparc-tdep.c (sparc32_dwarf2_frame_init_reg): New. 

(sparc32_gdbarch_init): Pass it to dwarf2_frame_set_init_reg.
	* Makefile.in (sparc-tdep.o): Update dependencies.
This commit is contained in:
David S. Miller 2006-04-05 18:35:39 +00:00
parent c5f8c3881a
commit f5a9b87dbe
2 changed files with 38 additions and 0 deletions
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6
gdb/ChangeLog
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@ -1,3 +1,9 @@
2006-04-05 David S. Miller <davem@sunset.davemloft.net>
* sparc-tdep.c (sparc32_dwarf2_frame_init_reg): New.
(sparc32_gdbarch_init): Pass it to dwarf2_frame_set_init_reg.
* Makefile.in (sparc-tdep.o): Update dependencies.
2006-04-04 David S. Miller <davem@davemloft.net>
* config/linux.mh (NATDEPFILES): Remove sparc-sol2-nat.o

32
gdb/sparc-tdep.c
View File

@ -22,6 +22,7 @@
#include "defs.h"
#include "arch-utils.h"
#include "dis-asm.h"
#include "dwarf2-frame.h"
#include "floatformat.h"
#include "frame.h"
#include "frame-base.h"
@ -994,6 +995,32 @@ sparc32_stabs_argument_has_addr (struct gdbarch *gdbarch, struct type *type)
|| (sparc_floating_p (type) && TYPE_LENGTH (type) == 16));
}
static void
sparc32_dwarf2_frame_init_reg (struct gdbarch *gdbarch, int regnum,
struct dwarf2_frame_state_reg *reg)
{
switch (regnum)
{
case SPARC_G0_REGNUM:
/* Since %g0 is always zero, there is no point in saving it, and
people will be inclined omit it from the CFI. Make sure we
don't warn about that. */
reg->how = DWARF2_FRAME_REG_SAME_VALUE;
break;
case SPARC_SP_REGNUM:
reg->how = DWARF2_FRAME_REG_CFA;
break;
case SPARC32_PC_REGNUM:
reg->how = DWARF2_FRAME_REG_RA_OFFSET;
reg->loc.offset = 8;
break;
case SPARC32_NPC_REGNUM:
reg->how = DWARF2_FRAME_REG_RA_OFFSET;
reg->loc.offset = 12;
break;
}
}
/* The SPARC Architecture doesn't have hardware single-step support,
and most operating systems don't implement it either, so we provide
@ -1248,6 +1275,11 @@ sparc32_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
/* Hook in ABI-specific overrides, if they have been registered. */
gdbarch_init_osabi (info, gdbarch);
/* Hook in the DWARF CFI frame unwinder. */
dwarf2_frame_set_init_reg (gdbarch, sparc32_dwarf2_frame_init_reg);
/* FIXME: kettenis/20050423: Don't enable the unwinder until the
StackGhost issues have been resolved. */
frame_unwind_append_sniffer (gdbarch, sparc32_frame_sniffer);
/* If we have register sets, enable the generic core file support. */