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* gdbarch.sh: For for level one methods, disallow a definition

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when partially multi-arched.  Add comments explaining rationale.
* gdbarch.h: Re-generate.
This commit is contained in:
Andrew Cagney 2002-02-10 17:25:38 +00:00
parent 6acf50cd6b
commit 028c194b3f
3 changed files with 55 additions and 24 deletions
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6
gdb/ChangeLog
View file

@ -1,3 +1,9 @@
2002-02-10 Andrew Cagney <ac131313@redhat.com>
* gdbarch.sh: For for level one methods, disallow a definition
when partially multi-arched. Add comments explaining rationale.
* gdbarch.h: Re-generate.
2002-02-10 Andrew Cagney <ac131313@redhat.com>
* gdbarch.sh (EXTRA_STACK_ALIGNMENT_NEEDED): Don't require when

46
gdb/gdbarch.h
View file

@ -883,24 +883,32 @@ extern void set_gdbarch_cannot_store_register (struct gdbarch *gdbarch, gdbarch_
#endif
#endif
/* Non multi-arch DUMMY_FRAMES are a mess (multi-arch ones are not that
much better but at least they are vaguely consistent). The headers
and body contain convoluted #if/#else sequences for determine how
things should be compiled. Instead of trying to mimic that
behaviour here (and hence entrench it further) gdbarch simply
reqires that these methods be set up from the word go. This also
avoids any potential problems with moving beyond multi-arch partial. */
extern int gdbarch_use_generic_dummy_frames (struct gdbarch *gdbarch);
extern void set_gdbarch_use_generic_dummy_frames (struct gdbarch *gdbarch, int use_generic_dummy_frames);
#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) && defined (USE_GENERIC_DUMMY_FRAMES)
#if (GDB_MULTI_ARCH >= GDB_MULTI_ARCH_PARTIAL) && defined (USE_GENERIC_DUMMY_FRAMES)
#error "Non multi-arch definition of USE_GENERIC_DUMMY_FRAMES"
#endif
#if GDB_MULTI_ARCH
#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !defined (USE_GENERIC_DUMMY_FRAMES)
#if (GDB_MULTI_ARCH >= GDB_MULTI_ARCH_PARTIAL) || !defined (USE_GENERIC_DUMMY_FRAMES)
#define USE_GENERIC_DUMMY_FRAMES (gdbarch_use_generic_dummy_frames (current_gdbarch))
#endif
#endif
extern int gdbarch_call_dummy_location (struct gdbarch *gdbarch);
extern void set_gdbarch_call_dummy_location (struct gdbarch *gdbarch, int call_dummy_location);
#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) && defined (CALL_DUMMY_LOCATION)
#if (GDB_MULTI_ARCH >= GDB_MULTI_ARCH_PARTIAL) && defined (CALL_DUMMY_LOCATION)
#error "Non multi-arch definition of CALL_DUMMY_LOCATION"
#endif
#if GDB_MULTI_ARCH
#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !defined (CALL_DUMMY_LOCATION)
#if (GDB_MULTI_ARCH >= GDB_MULTI_ARCH_PARTIAL) || !defined (CALL_DUMMY_LOCATION)
#define CALL_DUMMY_LOCATION (gdbarch_call_dummy_location (current_gdbarch))
#endif
#endif
@ -941,11 +949,11 @@ extern void set_gdbarch_call_dummy_breakpoint_offset (struct gdbarch *gdbarch, C
extern int gdbarch_call_dummy_breakpoint_offset_p (struct gdbarch *gdbarch);
extern void set_gdbarch_call_dummy_breakpoint_offset_p (struct gdbarch *gdbarch, int call_dummy_breakpoint_offset_p);
#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) && defined (CALL_DUMMY_BREAKPOINT_OFFSET_P)
#if (GDB_MULTI_ARCH >= GDB_MULTI_ARCH_PARTIAL) && defined (CALL_DUMMY_BREAKPOINT_OFFSET_P)
#error "Non multi-arch definition of CALL_DUMMY_BREAKPOINT_OFFSET_P"
#endif
#if GDB_MULTI_ARCH
#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !defined (CALL_DUMMY_BREAKPOINT_OFFSET_P)
#if (GDB_MULTI_ARCH >= GDB_MULTI_ARCH_PARTIAL) || !defined (CALL_DUMMY_BREAKPOINT_OFFSET_P)
#define CALL_DUMMY_BREAKPOINT_OFFSET_P (gdbarch_call_dummy_breakpoint_offset_p (current_gdbarch))
#endif
#endif
@ -964,22 +972,22 @@ extern void set_gdbarch_call_dummy_length (struct gdbarch *gdbarch, int call_dum
typedef int (gdbarch_pc_in_call_dummy_ftype) (CORE_ADDR pc, CORE_ADDR sp, CORE_ADDR frame_address);
extern int gdbarch_pc_in_call_dummy (struct gdbarch *gdbarch, CORE_ADDR pc, CORE_ADDR sp, CORE_ADDR frame_address);
extern void set_gdbarch_pc_in_call_dummy (struct gdbarch *gdbarch, gdbarch_pc_in_call_dummy_ftype *pc_in_call_dummy);
#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) && defined (PC_IN_CALL_DUMMY)
#if (GDB_MULTI_ARCH >= GDB_MULTI_ARCH_PARTIAL) && defined (PC_IN_CALL_DUMMY)
#error "Non multi-arch definition of PC_IN_CALL_DUMMY"
#endif
#if GDB_MULTI_ARCH
#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !defined (PC_IN_CALL_DUMMY)
#if (GDB_MULTI_ARCH >= GDB_MULTI_ARCH_PARTIAL) || !defined (PC_IN_CALL_DUMMY)
#define PC_IN_CALL_DUMMY(pc, sp, frame_address) (gdbarch_pc_in_call_dummy (current_gdbarch, pc, sp, frame_address))
#endif
#endif
extern int gdbarch_call_dummy_p (struct gdbarch *gdbarch);
extern void set_gdbarch_call_dummy_p (struct gdbarch *gdbarch, int call_dummy_p);
#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) && defined (CALL_DUMMY_P)
#if (GDB_MULTI_ARCH >= GDB_MULTI_ARCH_PARTIAL) && defined (CALL_DUMMY_P)
#error "Non multi-arch definition of CALL_DUMMY_P"
#endif
#if GDB_MULTI_ARCH
#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !defined (CALL_DUMMY_P)
#if (GDB_MULTI_ARCH >= GDB_MULTI_ARCH_PARTIAL) || !defined (CALL_DUMMY_P)
#define CALL_DUMMY_P (gdbarch_call_dummy_p (current_gdbarch))
#endif
#endif
@ -1018,11 +1026,11 @@ extern void set_gdbarch_sizeof_call_dummy_words (struct gdbarch *gdbarch, int si
extern int gdbarch_call_dummy_stack_adjust_p (struct gdbarch *gdbarch);
extern void set_gdbarch_call_dummy_stack_adjust_p (struct gdbarch *gdbarch, int call_dummy_stack_adjust_p);
#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) && defined (CALL_DUMMY_STACK_ADJUST_P)
#if (GDB_MULTI_ARCH >= GDB_MULTI_ARCH_PARTIAL) && defined (CALL_DUMMY_STACK_ADJUST_P)
#error "Non multi-arch definition of CALL_DUMMY_STACK_ADJUST_P"
#endif
#if GDB_MULTI_ARCH
#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !defined (CALL_DUMMY_STACK_ADJUST_P)
#if (GDB_MULTI_ARCH >= GDB_MULTI_ARCH_PARTIAL) || !defined (CALL_DUMMY_STACK_ADJUST_P)
#define CALL_DUMMY_STACK_ADJUST_P (gdbarch_call_dummy_stack_adjust_p (current_gdbarch))
#endif
#endif
@ -1123,14 +1131,18 @@ extern void set_gdbarch_coerce_float_to_double (struct gdbarch *gdbarch, gdbarch
#endif
#endif
/* GET_SAVED_REGISTER is like DUMMY_FRAMES. It is at level one as the
old code has strange #ifdef interaction. So far no one has found
that default_get_saved_register() is the default they are after. */
typedef void (gdbarch_get_saved_register_ftype) (char *raw_buffer, int *optimized, CORE_ADDR *addrp, struct frame_info *frame, int regnum, enum lval_type *lval);
extern void gdbarch_get_saved_register (struct gdbarch *gdbarch, char *raw_buffer, int *optimized, CORE_ADDR *addrp, struct frame_info *frame, int regnum, enum lval_type *lval);
extern void set_gdbarch_get_saved_register (struct gdbarch *gdbarch, gdbarch_get_saved_register_ftype *get_saved_register);
#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) && defined (GET_SAVED_REGISTER)
#if (GDB_MULTI_ARCH >= GDB_MULTI_ARCH_PARTIAL) && defined (GET_SAVED_REGISTER)
#error "Non multi-arch definition of GET_SAVED_REGISTER"
#endif
#if GDB_MULTI_ARCH
#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !defined (GET_SAVED_REGISTER)
#if (GDB_MULTI_ARCH >= GDB_MULTI_ARCH_PARTIAL) || !defined (GET_SAVED_REGISTER)
#define GET_SAVED_REGISTER(raw_buffer, optimized, addrp, frame, regnum, lval) (gdbarch_get_saved_register (current_gdbarch, raw_buffer, optimized, addrp, frame, regnum, lval))
#endif
#endif
@ -1761,14 +1773,16 @@ extern void set_gdbarch_frame_chain (struct gdbarch *gdbarch, gdbarch_frame_chai
#endif
#endif
/* See comments on DUMMY_FRAME for why this is required at level 1. */
typedef int (gdbarch_frame_chain_valid_ftype) (CORE_ADDR chain, struct frame_info *thisframe);
extern int gdbarch_frame_chain_valid (struct gdbarch *gdbarch, CORE_ADDR chain, struct frame_info *thisframe);
extern void set_gdbarch_frame_chain_valid (struct gdbarch *gdbarch, gdbarch_frame_chain_valid_ftype *frame_chain_valid);
#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) && defined (FRAME_CHAIN_VALID)
#if (GDB_MULTI_ARCH >= GDB_MULTI_ARCH_PARTIAL) && defined (FRAME_CHAIN_VALID)
#error "Non multi-arch definition of FRAME_CHAIN_VALID"
#endif
#if GDB_MULTI_ARCH
#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !defined (FRAME_CHAIN_VALID)
#if (GDB_MULTI_ARCH >= GDB_MULTI_ARCH_PARTIAL) || !defined (FRAME_CHAIN_VALID)
#define FRAME_CHAIN_VALID(chain, thisframe) (gdbarch_frame_chain_valid (current_gdbarch, chain, thisframe))
#endif
#endif

27
gdb/gdbarch.sh
View file

@ -467,6 +467,13 @@ F:2:REGISTER_BYTES_OK:int:register_bytes_ok:long nr_bytes:nr_bytes::0:0
f:2:CANNOT_FETCH_REGISTER:int:cannot_fetch_register:int regnum:regnum:::cannot_register_not::0
f:2:CANNOT_STORE_REGISTER:int:cannot_store_register:int regnum:regnum:::cannot_register_not::0
#
# Non multi-arch DUMMY_FRAMES are a mess (multi-arch ones are not that
# much better but at least they are vaguely consistent). The headers
# and body contain convoluted #if/#else sequences for determine how
# things should be compiled. Instead of trying to mimic that
# behaviour here (and hence entrench it further) gdbarch simply
# reqires that these methods be set up from the word go. This also
# avoids any potential problems with moving beyond multi-arch partial.
v:1:USE_GENERIC_DUMMY_FRAMES:int:use_generic_dummy_frames::::0:-1
v:1:CALL_DUMMY_LOCATION:int:call_dummy_location::::0:0
f:2:CALL_DUMMY_ADDRESS:CORE_ADDR:call_dummy_address:void:::0:0::gdbarch->call_dummy_location == AT_ENTRY_POINT && gdbarch->call_dummy_address == 0
@ -487,6 +494,9 @@ f:2:INIT_FRAME_PC:void:init_frame_pc:int fromleaf, struct frame_info *prev:froml
v:2:BELIEVE_PCC_PROMOTION:int:believe_pcc_promotion:::::::
v:2:BELIEVE_PCC_PROMOTION_TYPE:int:believe_pcc_promotion_type:::::::
f:2:COERCE_FLOAT_TO_DOUBLE:int:coerce_float_to_double:struct type *formal, struct type *actual:formal, actual:::default_coerce_float_to_double::0
# GET_SAVED_REGISTER is like DUMMY_FRAMES. It is at level one as the
# old code has strange #ifdef interaction. So far no one has found
# that default_get_saved_register() is the default they are after.
f:1:GET_SAVED_REGISTER:void:get_saved_register:char *raw_buffer, int *optimized, CORE_ADDR *addrp, struct frame_info *frame, int regnum, enum lval_type *lval:raw_buffer, optimized, addrp, frame, regnum, lval::generic_get_saved_register:0
#
f:2:REGISTER_CONVERTIBLE:int:register_convertible:int nr:nr:::generic_register_convertible_not::0
@ -535,6 +545,7 @@ f:2:REMOTE_TRANSLATE_XFER_ADDRESS:void:remote_translate_xfer_address:CORE_ADDR g
v:2:FRAME_ARGS_SKIP:CORE_ADDR:frame_args_skip::::0:-1
f:2:FRAMELESS_FUNCTION_INVOCATION:int:frameless_function_invocation:struct frame_info *fi:fi:::generic_frameless_function_invocation_not::0
f:2:FRAME_CHAIN:CORE_ADDR:frame_chain:struct frame_info *frame:frame::0:0
# See comments on DUMMY_FRAME for why this is required at level 1.
f:1:FRAME_CHAIN_VALID:int:frame_chain_valid:CORE_ADDR chain, struct frame_info *thisframe:chain, thisframe::0:0
f:2:FRAME_SAVED_PC:CORE_ADDR:frame_saved_pc:struct frame_info *fi:fi::0:0
f:2:FRAME_ARGS_ADDRESS:CORE_ADDR:frame_args_address:struct frame_info *fi:fi::0:0
@ -745,11 +756,11 @@ do
printf "\n"
printf "extern ${returntype} gdbarch_${function} (struct gdbarch *gdbarch);\n"
printf "/* set_gdbarch_${function}() - not applicable - pre-initialized. */\n"
printf "#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) && defined (${macro})\n"
printf "#if (GDB_MULTI_ARCH ${gt_level}) && defined (${macro})\n"
printf "#error \"Non multi-arch definition of ${macro}\"\n"
printf "#endif\n"
printf "#if GDB_MULTI_ARCH\n"
printf "#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !defined (${macro})\n"
printf "#if (GDB_MULTI_ARCH ${gt_level}) || !defined (${macro})\n"
printf "#define ${macro} (gdbarch_${function} (current_gdbarch))\n"
printf "#endif\n"
printf "#endif\n"
@ -794,10 +805,10 @@ do
printf "#endif\n"
printf "\n"
printf "extern int gdbarch_${function}_p (struct gdbarch *gdbarch);\n"
printf "#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) && defined (${macro}_P)\n"
printf "#if (GDB_MULTI_ARCH ${gt_level}) && defined (${macro}_P)\n"
printf "#error \"Non multi-arch definition of ${macro}\"\n"
printf "#endif\n"
printf "#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !defined (${macro}_P)\n"
printf "#if (GDB_MULTI_ARCH ${gt_level}) || !defined (${macro}_P)\n"
printf "#define ${macro}_P() (gdbarch_${function}_p (current_gdbarch))\n"
printf "#endif\n"
fi
@ -816,11 +827,11 @@ do
printf "\n"
printf "extern ${returntype} gdbarch_${function} (struct gdbarch *gdbarch);\n"
printf "extern void set_gdbarch_${function} (struct gdbarch *gdbarch, ${returntype} ${function});\n"
printf "#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) && defined (${macro})\n"
printf "#if (GDB_MULTI_ARCH ${gt_level}) && defined (${macro})\n"
printf "#error \"Non multi-arch definition of ${macro}\"\n"
printf "#endif\n"
printf "#if GDB_MULTI_ARCH\n"
printf "#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !defined (${macro})\n"
printf "#if (GDB_MULTI_ARCH ${gt_level}) || !defined (${macro})\n"
printf "#define ${macro} (gdbarch_${function} (current_gdbarch))\n"
printf "#endif\n"
printf "#endif\n"
@ -862,11 +873,11 @@ do
printf "extern void set_gdbarch_${function} (struct gdbarch *gdbarch, gdbarch_${function}_ftype *${function});\n"
if class_is_multiarch_p ; then :
else
printf "#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) && defined (${macro})\n"
printf "#if (GDB_MULTI_ARCH ${gt_level}) && defined (${macro})\n"
printf "#error \"Non multi-arch definition of ${macro}\"\n"
printf "#endif\n"
printf "#if GDB_MULTI_ARCH\n"
printf "#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !defined (${macro})\n"
printf "#if (GDB_MULTI_ARCH ${gt_level}) || !defined (${macro})\n"
if [ "x${actual}" = "x" ]
then
printf "#define ${macro}() (gdbarch_${function} (current_gdbarch))\n"