From 88a82a65e0c920f2b543fb1c9eed02b8554b2db2 Mon Sep 17 00:00:00 2001 From: Andrew Cagney Date: Tue, 9 Sep 2003 03:58:18 +0000 Subject: [PATCH] 2003-09-08 Andrew Cagney * gdbarch.sh (DEPRECATED_CALL_DUMMY_ADDRESS): Rename CALL_DUMMY_ADDRESS, change to a predicate. * gdbarch.h, gdbarch.c: Re-generate. * blockframe.c (deprecated_pc_in_call_dummy_at_entry_point): Use either DEPRECATED_CALL_DUMMY_ADDRESS or entry_point_address. * infcall.c (call_function_by_hand): Ditto. * sparc-tdep.c (sparc_push_return_address): Ditto. (sparc_gdbarch_init): Set deprecated_call_dummy_address. * xstormy16-tdep.c (xstormy16_push_return_address): Replace CALL_DUMMY_ADDRESS with entry_point_address. * v850-tdep.c (v850_push_return_address): Ditto. * s390-tdep.c (s390_push_return_address): Ditto. * rs6000-tdep.c (ppc_push_return_address): Ditto. * mn10300-tdep.c (mn10300_push_return_address): Ditto. * mcore-tdep.c (mcore_push_return_address): Ditto. * cris-tdep.c (cris_push_return_address): Ditto. * arm-tdep.c (arm_push_return_address): Ditto. --- gdb/ChangeLog | 20 ++++++++++++++++++ gdb/arm-tdep.c | 2 +- gdb/blockframe.c | 6 ++++-- gdb/cris-tdep.c | 2 +- gdb/gdbarch.c | 57 +++++++++++++++++++++++++++++++++------------------- gdb/gdbarch.h | 31 ++++++++++++++++++++-------- gdb/gdbarch.sh | 2 +- gdb/infcall.c | 5 ++++- gdb/mcore-tdep.c | 8 ++++---- gdb/mn10300-tdep.c | 2 +- gdb/rs6000-tdep.c | 2 +- gdb/s390-tdep.c | 2 +- gdb/sparc-tdep.c | 13 +++++++----- gdb/v850-tdep.c | 2 +- gdb/xstormy16-tdep.c | 2 +- 15 files changed, 107 insertions(+), 49 deletions(-) diff --git a/gdb/ChangeLog b/gdb/ChangeLog index f309ba8..1ca28e4 100644 --- a/gdb/ChangeLog +++ b/gdb/ChangeLog @@ -1,5 +1,25 @@ 2003-09-08 Andrew Cagney + * gdbarch.sh (DEPRECATED_CALL_DUMMY_ADDRESS): Rename + CALL_DUMMY_ADDRESS, change to a predicate. + * gdbarch.h, gdbarch.c: Re-generate. + * blockframe.c (deprecated_pc_in_call_dummy_at_entry_point): + Use either DEPRECATED_CALL_DUMMY_ADDRESS or entry_point_address. + * infcall.c (call_function_by_hand): Ditto. + * sparc-tdep.c (sparc_push_return_address): Ditto. + (sparc_gdbarch_init): Set deprecated_call_dummy_address. + * xstormy16-tdep.c (xstormy16_push_return_address): Replace + CALL_DUMMY_ADDRESS with entry_point_address. + * v850-tdep.c (v850_push_return_address): Ditto. + * s390-tdep.c (s390_push_return_address): Ditto. + * rs6000-tdep.c (ppc_push_return_address): Ditto. + * mn10300-tdep.c (mn10300_push_return_address): Ditto. + * mcore-tdep.c (mcore_push_return_address): Ditto. + * cris-tdep.c (cris_push_return_address): Ditto. + * arm-tdep.c (arm_push_return_address): Ditto. + +2003-09-08 Andrew Cagney + * dwarf2-frame.c (enum dwarf2_reg_rule): New, replace anonymous enum. Add REG_UNSPECIFIED, rename REG_UNSAVED to REG_UNDEFINED and REG_UNMODIFIED to REG_SAME_VALUE. diff --git a/gdb/arm-tdep.c b/gdb/arm-tdep.c index d54b956..9187207 100644 --- a/gdb/arm-tdep.c +++ b/gdb/arm-tdep.c @@ -1178,7 +1178,7 @@ arm_unwind_sp (struct gdbarch *gdbarch, struct frame_info *this_frame) static CORE_ADDR arm_push_return_address (CORE_ADDR pc, CORE_ADDR sp) { - write_register (ARM_LR_REGNUM, CALL_DUMMY_ADDRESS ()); + write_register (ARM_LR_REGNUM, entry_point_address ()); return sp; } diff --git a/gdb/blockframe.c b/gdb/blockframe.c index 4e689ac..f431b50 100644 --- a/gdb/blockframe.c +++ b/gdb/blockframe.c @@ -570,8 +570,10 @@ int deprecated_pc_in_call_dummy_at_entry_point (CORE_ADDR pc, CORE_ADDR sp, CORE_ADDR frame_address) { - return ((pc) >= CALL_DUMMY_ADDRESS () - && (pc) <= (CALL_DUMMY_ADDRESS () + DECR_PC_AFTER_BREAK)); + CORE_ADDR addr = entry_point_address (); + if (DEPRECATED_CALL_DUMMY_ADDRESS_P ()) + addr = DEPRECATED_CALL_DUMMY_ADDRESS (); + return ((pc) >= addr && (pc) <= (addr + DECR_PC_AFTER_BREAK)); } /* Returns true for a user frame or a call_function_by_hand dummy diff --git a/gdb/cris-tdep.c b/gdb/cris-tdep.c index 81a80d8..27ef266 100644 --- a/gdb/cris-tdep.c +++ b/gdb/cris-tdep.c @@ -1490,7 +1490,7 @@ cris_abi_v2_push_arguments (int nargs, struct value **args, CORE_ADDR sp, static CORE_ADDR cris_push_return_address (CORE_ADDR pc, CORE_ADDR sp) { - write_register (SRP_REGNUM, CALL_DUMMY_ADDRESS ()); + write_register (SRP_REGNUM, entry_point_address ()); return sp; } diff --git a/gdb/gdbarch.c b/gdb/gdbarch.c index b523935..d7c65f4 100644 --- a/gdb/gdbarch.c +++ b/gdb/gdbarch.c @@ -168,7 +168,7 @@ struct gdbarch gdbarch_deprecated_dummy_write_sp_ftype *deprecated_dummy_write_sp; int deprecated_register_size; int call_dummy_location; - gdbarch_call_dummy_address_ftype *call_dummy_address; + gdbarch_deprecated_call_dummy_address_ftype *deprecated_call_dummy_address; CORE_ADDR deprecated_call_dummy_start_offset; CORE_ADDR deprecated_call_dummy_breakpoint_offset; int deprecated_call_dummy_length; @@ -336,7 +336,7 @@ struct gdbarch startup_gdbarch = 0, /* deprecated_dummy_write_sp */ 0, /* deprecated_register_size */ 0, /* call_dummy_location */ - 0, /* call_dummy_address */ + 0, /* deprecated_call_dummy_address */ 0, /* deprecated_call_dummy_start_offset */ 0, /* deprecated_call_dummy_breakpoint_offset */ 0, /* deprecated_call_dummy_length */ @@ -513,7 +513,6 @@ gdbarch_alloc (const struct gdbarch_info *info, current_gdbarch->deprecated_fp_regnum = -1; current_gdbarch->deprecated_use_generic_dummy_frames = 1; current_gdbarch->call_dummy_location = AT_ENTRY_POINT; - current_gdbarch->call_dummy_address = entry_point_address; current_gdbarch->deprecated_call_dummy_words = legacy_call_dummy_words; current_gdbarch->deprecated_sizeof_call_dummy_words = legacy_sizeof_call_dummy_words; current_gdbarch->print_registers_info = default_print_registers_info; @@ -656,7 +655,7 @@ verify_gdbarch (struct gdbarch *gdbarch) /* Skip verify of deprecated_push_return_address, has predicate */ /* Skip verify of deprecated_dummy_write_sp, has predicate */ /* Skip verify of call_dummy_location, invalid_p == 0 */ - /* Skip verify of call_dummy_address, invalid_p == 0 */ + /* Skip verify of deprecated_call_dummy_address, has predicate */ /* Skip verify of deprecated_call_dummy_words, invalid_p == 0 */ /* Skip verify of deprecated_sizeof_call_dummy_words, invalid_p == 0 */ /* Skip verify of deprecated_call_dummy_stack_adjust, has predicate */ @@ -887,16 +886,6 @@ gdbarch_dump (struct gdbarch *gdbarch, struct ui_file *file) (long) current_gdbarch->breakpoint_from_pc /*BREAKPOINT_FROM_PC ()*/); #endif -#ifdef CALL_DUMMY_ADDRESS - fprintf_unfiltered (file, - "gdbarch_dump: %s # %s\n", - "CALL_DUMMY_ADDRESS()", - XSTRING (CALL_DUMMY_ADDRESS ())); - fprintf_unfiltered (file, - "gdbarch_dump: CALL_DUMMY_ADDRESS = <0x%08lx>\n", - (long) current_gdbarch->call_dummy_address - /*CALL_DUMMY_ADDRESS ()*/); -#endif #ifdef CALL_DUMMY_LOCATION fprintf_unfiltered (file, "gdbarch_dump: CALL_DUMMY_LOCATION # %s\n", @@ -974,6 +963,25 @@ gdbarch_dump (struct gdbarch *gdbarch, struct ui_file *file) "gdbarch_dump: DECR_PC_AFTER_BREAK = %ld\n", (long) DECR_PC_AFTER_BREAK); #endif +#ifdef DEPRECATED_CALL_DUMMY_ADDRESS_P + fprintf_unfiltered (file, + "gdbarch_dump: %s # %s\n", + "DEPRECATED_CALL_DUMMY_ADDRESS_P()", + XSTRING (DEPRECATED_CALL_DUMMY_ADDRESS_P ())); + fprintf_unfiltered (file, + "gdbarch_dump: DEPRECATED_CALL_DUMMY_ADDRESS_P() = %d\n", + DEPRECATED_CALL_DUMMY_ADDRESS_P ()); +#endif +#ifdef DEPRECATED_CALL_DUMMY_ADDRESS + fprintf_unfiltered (file, + "gdbarch_dump: %s # %s\n", + "DEPRECATED_CALL_DUMMY_ADDRESS()", + XSTRING (DEPRECATED_CALL_DUMMY_ADDRESS ())); + fprintf_unfiltered (file, + "gdbarch_dump: DEPRECATED_CALL_DUMMY_ADDRESS = <0x%08lx>\n", + (long) current_gdbarch->deprecated_call_dummy_address + /*DEPRECATED_CALL_DUMMY_ADDRESS ()*/); +#endif #ifdef DEPRECATED_CALL_DUMMY_BREAKPOINT_OFFSET fprintf_unfiltered (file, "gdbarch_dump: DEPRECATED_CALL_DUMMY_BREAKPOINT_OFFSET # %s\n", @@ -3501,21 +3509,28 @@ set_gdbarch_call_dummy_location (struct gdbarch *gdbarch, gdbarch->call_dummy_location = call_dummy_location; } +int +gdbarch_deprecated_call_dummy_address_p (struct gdbarch *gdbarch) +{ + gdb_assert (gdbarch != NULL); + return gdbarch->deprecated_call_dummy_address != NULL; +} + CORE_ADDR -gdbarch_call_dummy_address (struct gdbarch *gdbarch) +gdbarch_deprecated_call_dummy_address (struct gdbarch *gdbarch) { gdb_assert (gdbarch != NULL); - gdb_assert (gdbarch->call_dummy_address != NULL); + gdb_assert (gdbarch->deprecated_call_dummy_address != NULL); if (gdbarch_debug >= 2) - fprintf_unfiltered (gdb_stdlog, "gdbarch_call_dummy_address called\n"); - return gdbarch->call_dummy_address (); + fprintf_unfiltered (gdb_stdlog, "gdbarch_deprecated_call_dummy_address called\n"); + return gdbarch->deprecated_call_dummy_address (); } void -set_gdbarch_call_dummy_address (struct gdbarch *gdbarch, - gdbarch_call_dummy_address_ftype call_dummy_address) +set_gdbarch_deprecated_call_dummy_address (struct gdbarch *gdbarch, + gdbarch_deprecated_call_dummy_address_ftype deprecated_call_dummy_address) { - gdbarch->call_dummy_address = call_dummy_address; + gdbarch->deprecated_call_dummy_address = deprecated_call_dummy_address; } CORE_ADDR diff --git a/gdb/gdbarch.h b/gdb/gdbarch.h index 1471378..a15044b 100644 --- a/gdb/gdbarch.h +++ b/gdb/gdbarch.h @@ -846,14 +846,29 @@ extern void set_gdbarch_call_dummy_location (struct gdbarch *gdbarch, int call_d #define CALL_DUMMY_LOCATION (gdbarch_call_dummy_location (current_gdbarch)) #endif -typedef CORE_ADDR (gdbarch_call_dummy_address_ftype) (void); -extern CORE_ADDR gdbarch_call_dummy_address (struct gdbarch *gdbarch); -extern void set_gdbarch_call_dummy_address (struct gdbarch *gdbarch, gdbarch_call_dummy_address_ftype *call_dummy_address); -#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) && defined (CALL_DUMMY_ADDRESS) -#error "Non multi-arch definition of CALL_DUMMY_ADDRESS" -#endif -#if !defined (CALL_DUMMY_ADDRESS) -#define CALL_DUMMY_ADDRESS() (gdbarch_call_dummy_address (current_gdbarch)) +#if defined (DEPRECATED_CALL_DUMMY_ADDRESS) +/* Legacy for systems yet to multi-arch DEPRECATED_CALL_DUMMY_ADDRESS */ +#if !defined (DEPRECATED_CALL_DUMMY_ADDRESS_P) +#define DEPRECATED_CALL_DUMMY_ADDRESS_P() (1) +#endif +#endif + +extern int gdbarch_deprecated_call_dummy_address_p (struct gdbarch *gdbarch); +#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) && defined (DEPRECATED_CALL_DUMMY_ADDRESS_P) +#error "Non multi-arch definition of DEPRECATED_CALL_DUMMY_ADDRESS" +#endif +#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !defined (DEPRECATED_CALL_DUMMY_ADDRESS_P) +#define DEPRECATED_CALL_DUMMY_ADDRESS_P() (gdbarch_deprecated_call_dummy_address_p (current_gdbarch)) +#endif + +typedef CORE_ADDR (gdbarch_deprecated_call_dummy_address_ftype) (void); +extern CORE_ADDR gdbarch_deprecated_call_dummy_address (struct gdbarch *gdbarch); +extern void set_gdbarch_deprecated_call_dummy_address (struct gdbarch *gdbarch, gdbarch_deprecated_call_dummy_address_ftype *deprecated_call_dummy_address); +#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) && defined (DEPRECATED_CALL_DUMMY_ADDRESS) +#error "Non multi-arch definition of DEPRECATED_CALL_DUMMY_ADDRESS" +#endif +#if !defined (DEPRECATED_CALL_DUMMY_ADDRESS) +#define DEPRECATED_CALL_DUMMY_ADDRESS() (gdbarch_deprecated_call_dummy_address (current_gdbarch)) #endif /* DEPRECATED_CALL_DUMMY_START_OFFSET can be deleted. */ diff --git a/gdb/gdbarch.sh b/gdb/gdbarch.sh index 9bb9d5c..efb1ef0 100755 --- a/gdb/gdbarch.sh +++ b/gdb/gdbarch.sh @@ -526,7 +526,7 @@ F:2:DEPRECATED_DUMMY_WRITE_SP:void:deprecated_dummy_write_sp:CORE_ADDR val:val # DEPRECATED_REGISTER_SIZE can be deleted. v::DEPRECATED_REGISTER_SIZE:int:deprecated_register_size v::CALL_DUMMY_LOCATION:int:call_dummy_location:::::AT_ENTRY_POINT::0 -f::CALL_DUMMY_ADDRESS:CORE_ADDR:call_dummy_address:void::::entry_point_address::0 +F::DEPRECATED_CALL_DUMMY_ADDRESS:CORE_ADDR:deprecated_call_dummy_address:void # DEPRECATED_CALL_DUMMY_START_OFFSET can be deleted. v::DEPRECATED_CALL_DUMMY_START_OFFSET:CORE_ADDR:deprecated_call_dummy_start_offset # DEPRECATED_CALL_DUMMY_BREAKPOINT_OFFSET can be deleted. diff --git a/gdb/infcall.c b/gdb/infcall.c index 6baa88a..8820e9c 100644 --- a/gdb/infcall.c +++ b/gdb/infcall.c @@ -557,7 +557,10 @@ call_function_by_hand (struct value *function, int nargs, struct value **args) value_type, using_gcc); } real_pc = funaddr; - dummy_addr = CALL_DUMMY_ADDRESS (); + dummy_addr = entry_point_address (); + if (DEPRECATED_CALL_DUMMY_ADDRESS_P ()) + /* Override it. */ + dummy_addr = DEPRECATED_CALL_DUMMY_ADDRESS (); /* Make certain that the address points at real code, and not a function descriptor. */ dummy_addr = CONVERT_FROM_FUNC_PTR_ADDR (dummy_addr); diff --git a/gdb/mcore-tdep.c b/gdb/mcore-tdep.c index a8381ed..dcb8a93 100644 --- a/gdb/mcore-tdep.c +++ b/gdb/mcore-tdep.c @@ -908,14 +908,14 @@ mcore_push_arguments (int nargs, struct value **args, CORE_ADDR sp, return sp; } -/* Store the return address for the call dummy. For MCore, we've - opted to use generic call dummies, so we simply store the - CALL_DUMMY_ADDRESS into the PR register (r15). */ +/* Store the return address for the call dummy. For MCore, we've opted + to use generic call dummies, so we simply store the entry-point + address into the PR register (r15). */ static CORE_ADDR mcore_push_return_address (CORE_ADDR pc, CORE_ADDR sp) { - write_register (PR_REGNUM, CALL_DUMMY_ADDRESS ()); + write_register (PR_REGNUM, entry_point_address ()); return sp; } diff --git a/gdb/mn10300-tdep.c b/gdb/mn10300-tdep.c index be9bf97..83be4d1 100644 --- a/gdb/mn10300-tdep.c +++ b/gdb/mn10300-tdep.c @@ -862,7 +862,7 @@ mn10300_push_return_address (CORE_ADDR pc, CORE_ADDR sp) { unsigned char buf[4]; - store_unsigned_integer (buf, 4, CALL_DUMMY_ADDRESS ()); + store_unsigned_integer (buf, 4, entry_point_address ()); write_memory (sp - 4, buf, 4); return sp - 4; } diff --git a/gdb/rs6000-tdep.c b/gdb/rs6000-tdep.c index 6265f90..eaf4db6 100644 --- a/gdb/rs6000-tdep.c +++ b/gdb/rs6000-tdep.c @@ -1323,7 +1323,7 @@ static CORE_ADDR ppc_push_return_address (CORE_ADDR pc, CORE_ADDR sp) { write_register (gdbarch_tdep (current_gdbarch)->ppc_lr_regnum, - CALL_DUMMY_ADDRESS ()); + entry_point_address ()); return sp; } diff --git a/gdb/s390-tdep.c b/gdb/s390-tdep.c index 50aa541..e3c71d4 100644 --- a/gdb/s390-tdep.c +++ b/gdb/s390-tdep.c @@ -2536,7 +2536,7 @@ s390_addr_bits_remove (CORE_ADDR addr) static CORE_ADDR s390_push_return_address (CORE_ADDR pc, CORE_ADDR sp) { - write_register (S390_RETADDR_REGNUM, CALL_DUMMY_ADDRESS ()); + write_register (S390_RETADDR_REGNUM, entry_point_address ()); return sp; } diff --git a/gdb/sparc-tdep.c b/gdb/sparc-tdep.c index 970d953..c516efd 100644 --- a/gdb/sparc-tdep.c +++ b/gdb/sparc-tdep.c @@ -2967,8 +2967,10 @@ sparc_push_return_address (CORE_ADDR pc_unused, CORE_ADDR sp) This address will actually be the program's entry point. There will be a special call_dummy breakpoint there. */ - write_register (O7_REGNUM, - CALL_DUMMY_ADDRESS () - 8); + if (DEPRECATED_CALL_DUMMY_ADDRESS_P ()) + write_register (O7_REGNUM, DEPRECATED_CALL_DUMMY_ADDRESS () - 8); + else + write_register (O7_REGNUM, entry_point_address () - 8); } return sp; @@ -3136,7 +3138,8 @@ sparc_gdbarch_fix_call_dummy (char *dummy, sparc_fix_call_dummy (dummy, pc, fun, type, gcc_p); } -/* CALL_DUMMY_ADDRESS: fetch the breakpoint address for a call dummy. */ +/* DEPRECATED_CALL_DUMMY_ADDRESS: fetch the breakpoint address for a + call dummy. */ static CORE_ADDR sparc_call_dummy_address (void) @@ -3314,7 +3317,7 @@ sparc_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches) #ifdef SPARC32_CALL_DUMMY_ON_STACK set_gdbarch_deprecated_pc_in_call_dummy (gdbarch, deprecated_pc_in_call_dummy_on_stack); - set_gdbarch_call_dummy_address (gdbarch, sparc_call_dummy_address); + set_gdbarch_deprecated_call_dummy_address (gdbarch, sparc_call_dummy_address); set_gdbarch_deprecated_call_dummy_breakpoint_offset (gdbarch, 0x30); set_gdbarch_deprecated_call_dummy_length (gdbarch, 0x38); @@ -3414,7 +3417,7 @@ sparc_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches) #ifdef SPARC64_CALL_DUMMY_ON_STACK set_gdbarch_deprecated_pc_in_call_dummy (gdbarch, deprecated_pc_in_call_dummy_on_stack); - set_gdbarch_call_dummy_address (gdbarch, sparc_call_dummy_address); + set_gdbarch_deprecated_call_dummy_address (gdbarch, sparc_call_dummy_address); set_gdbarch_deprecated_call_dummy_breakpoint_offset (gdbarch, 8 * 4); set_gdbarch_deprecated_call_dummy_length (gdbarch, 192); set_gdbarch_call_dummy_location (gdbarch, ON_STACK); diff --git a/gdb/v850-tdep.c b/gdb/v850-tdep.c index 2705804..c7a8027 100644 --- a/gdb/v850-tdep.c +++ b/gdb/v850-tdep.c @@ -1000,7 +1000,7 @@ v850_push_arguments (int nargs, struct value **args, CORE_ADDR sp, static CORE_ADDR v850_push_return_address (CORE_ADDR pc, CORE_ADDR sp) { - write_register (E_RP_REGNUM, CALL_DUMMY_ADDRESS ()); + write_register (E_RP_REGNUM, entry_point_address ()); return sp; } diff --git a/gdb/xstormy16-tdep.c b/gdb/xstormy16-tdep.c index f6d8fcc..15abe45 100644 --- a/gdb/xstormy16-tdep.c +++ b/gdb/xstormy16-tdep.c @@ -312,7 +312,7 @@ xstormy16_push_return_address (CORE_ADDR pc, CORE_ADDR sp) { unsigned char buf[xstormy16_pc_size]; - store_unsigned_integer (buf, xstormy16_pc_size, CALL_DUMMY_ADDRESS ()); + store_unsigned_integer (buf, xstormy16_pc_size, entry_point_address ()); write_memory (sp, buf, xstormy16_pc_size); return sp + xstormy16_pc_size; } -- 2.7.4