From 43bd9a9e02a1279590947a8d7258108207896ba8 Mon Sep 17 00:00:00 2001 From: Andrew Cagney Date: Sun, 6 Apr 2003 01:13:59 +0000 Subject: [PATCH] 2003-04-05 Andrew Cagney Eliminate FRAME_FIND_SAVED_REGS. * config/pa/tm-hppah.h (hppa_hpux_frame_find_saved_regs_in_sigtramp): Change FSR parameter to a pointer. * config/pa/tm-hppa64.h (FRAME_FIND_SAVED_REGS_IN_SIGTRAMP): Assume FSR parameter is a pointer. * hppa-hpux-tdep.c (hppa_hpux_frame_find_saved_regs_in_sigtramp): Make fsr a pointer. * hppa-tdep.c (hppa_frame_find_saved_regs): New function. (hppa_frame_saved_pc): Call hppa_frame_init_saved_regs. Make saved_regs a pointer. (hppa_frame_saved_pc): Ditto. (find_dummy_frame_regs): Make frame_saved_regs a pointer (hppa_pop_frame): Call hppa_frame_init_saved_regs. Make fsr a pointer. (restore_pc_queue): Make fsr a pointer. (hppa_frame_find_saved_regs): Make frame_saved_regs a pointer. (hppa_frame_chain): Make saved_regs a pointer, call hppa_frame_init_saved_regs. * sparc-tdep.c: Include "gdb_assert.h". (sparc_frame_find_saved_regs): Replace internal_error with gdb_assert. * remote-vxsparc.c (vx_read_register): Delete reference to FRAME_FIND_SAVED_REGS. * gdbarch.sh: Delete check for FRAME_FIND_SAVED_REGS. * gdbarch.h: Regenerate. * frame.h (DEPRECATED_FRAME_INIT_SAVED_REGS): Delete macro. (deprecated_get_frame_saved_regs): Delete declaration. (struct frame_saved_regs): Delete definition. * frame.c (deprecated_get_frame_saved_regs): Delete function. * config/pa/tm-hppa.h (hppa_frame_init_saved_regs): Declare. (hppa_frame_find_saved_regs): Delete declaration. (FRAME_FIND_SAVED_REGS): Delete macro. (DEPRECATED_FRAME_INIT_SAVED_REGS): Define. * config/i386/tm-ptx.h (FRAME_FIND_SAVED_REGS): Delete FRAME_FIND_SAVED_REGS in comment. --- gdb/ChangeLog | 38 ++++++++ gdb/Makefile.in | 6 +- gdb/config/i386/tm-ptx.h | 6 -- gdb/config/pa/tm-hppa.h | 8 +- gdb/config/pa/tm-hppa64.h | 6 +- gdb/config/pa/tm-hppah.h | 3 +- gdb/frame.c | 28 ------ gdb/frame.h | 26 ------ gdb/gdbarch.h | 6 -- gdb/gdbarch.sh | 6 -- gdb/hppa-hpux-tdep.c | 8 +- gdb/hppa-tdep.c | 188 +++++++++++++++++++++----------------- gdb/remote-vxsparc.c | 7 +- gdb/sparc-tdep.c | 5 +- 14 files changed, 160 insertions(+), 181 deletions(-) diff --git a/gdb/ChangeLog b/gdb/ChangeLog index b45380c792f..43b2999d777 100644 --- a/gdb/ChangeLog +++ b/gdb/ChangeLog @@ -1,3 +1,41 @@ +2003-04-05 Andrew Cagney + + Eliminate FRAME_FIND_SAVED_REGS. + * config/pa/tm-hppah.h (hppa_hpux_frame_find_saved_regs_in_sigtramp): + Change FSR parameter to a pointer. + * config/pa/tm-hppa64.h (FRAME_FIND_SAVED_REGS_IN_SIGTRAMP): + Assume FSR parameter is a pointer. + * hppa-hpux-tdep.c (hppa_hpux_frame_find_saved_regs_in_sigtramp): + Make fsr a pointer. + * hppa-tdep.c (hppa_frame_find_saved_regs): New function. + (hppa_frame_saved_pc): Call hppa_frame_init_saved_regs. Make + saved_regs a pointer. + (hppa_frame_saved_pc): Ditto. + (find_dummy_frame_regs): Make frame_saved_regs a pointer + (hppa_pop_frame): Call hppa_frame_init_saved_regs. Make fsr a + pointer. + (restore_pc_queue): Make fsr a pointer. + (hppa_frame_find_saved_regs): Make frame_saved_regs a pointer. + (hppa_frame_chain): Make saved_regs a pointer, call + hppa_frame_init_saved_regs. + * sparc-tdep.c: Include "gdb_assert.h". + (sparc_frame_find_saved_regs): Replace internal_error with + gdb_assert. + * remote-vxsparc.c (vx_read_register): Delete reference to + FRAME_FIND_SAVED_REGS. + * gdbarch.sh: Delete check for FRAME_FIND_SAVED_REGS. + * gdbarch.h: Regenerate. + * frame.h (DEPRECATED_FRAME_INIT_SAVED_REGS): Delete macro. + (deprecated_get_frame_saved_regs): Delete declaration. + (struct frame_saved_regs): Delete definition. + * frame.c (deprecated_get_frame_saved_regs): Delete function. + * config/pa/tm-hppa.h (hppa_frame_init_saved_regs): Declare. + (hppa_frame_find_saved_regs): Delete declaration. + (FRAME_FIND_SAVED_REGS): Delete macro. + (DEPRECATED_FRAME_INIT_SAVED_REGS): Define. + * config/i386/tm-ptx.h (FRAME_FIND_SAVED_REGS): Delete + FRAME_FIND_SAVED_REGS in comment. + 2003-04-05 Andrew Cagney * frame.c (frame_func_unwind, get_frame_func): New functions. diff --git a/gdb/Makefile.in b/gdb/Makefile.in index a825d7a2a0f..21255fe9142 100644 --- a/gdb/Makefile.in +++ b/gdb/Makefile.in @@ -2208,9 +2208,9 @@ sparc-linux-nat.o: sparc-linux-nat.c $(defs_h) $(regcache_h) $(gregset_h) sparc-nat.o: sparc-nat.c $(defs_h) $(inferior_h) $(target_h) $(gdbcore_h) \ $(regcache_h) $(gdb_wait_h) sparc-stub.o: sparc-stub.c -sparc-tdep.o: sparc-tdep.c $(defs_h) $(arch_utils_h) $(frame_h) \ - $(inferior_h) $(target_h) $(value_h) $(bfd_h) $(gdb_string_h) \ - $(regcache_h) $(osabi_h) $(gregset_h) $(gdbcore_h) $(symfile_h) +sparc-tdep.o: sparc-tdep.c $(defs_h) $(arch_utils_h) $(frame_h) $(inferior_h) \ + $(target_h) $(value_h) $(bfd_h) $(gdb_string_h) $(regcache_h) \ + $(osabi_h) $(gregset_h) $(gdbcore_h) $(gdb_assert_h) $(symfile_h) sparc64nbsd-nat.o: sparc64nbsd-nat.c $(defs_h) $(inferior_h) $(regcache_h) \ $(sparcnbsd_tdep_h) sparcl-stub.o: sparcl-stub.c diff --git a/gdb/config/i386/tm-ptx.h b/gdb/config/i386/tm-ptx.h index 80026e3568e..2f2bba3e58b 100644 --- a/gdb/config/i386/tm-ptx.h +++ b/gdb/config/i386/tm-ptx.h @@ -191,10 +191,4 @@ extern const struct floatformat floatformat_i387_ext; /* from floatformat.h */ #define DEPRECATED_EXTRACT_RETURN_VALUE(TYPE,REGBUF,VALBUF) \ symmetry_extract_return_value(TYPE, REGBUF, VALBUF) -/* - #undef FRAME_FIND_SAVED_REGS - #define FRAME_FIND_SAVED_REGS(frame_info, frame_saved_regs) \ - { ptx_frame_find_saved_regs((frame_info), &(frame_saved_regs)); } - */ - #endif /* ifndef TM_PTX_H */ diff --git a/gdb/config/pa/tm-hppa.h b/gdb/config/pa/tm-hppa.h index 9c26c798258..6089b32b526 100644 --- a/gdb/config/pa/tm-hppa.h +++ b/gdb/config/pa/tm-hppa.h @@ -441,11 +441,9 @@ extern int hppa_frame_num_args (struct frame_info *frame); #define FRAME_ARGS_SKIP 0 #endif -#define FRAME_FIND_SAVED_REGS(frame_info, frame_saved_regs) \ - hppa_frame_find_saved_regs (frame_info, &frame_saved_regs) -extern void hppa_frame_find_saved_regs (struct frame_info *, - struct frame_saved_regs *); - +extern void hppa_frame_init_saved_regs (struct frame_info *); +#define DEPRECATED_FRAME_INIT_SAVED_REGS(FI) \ + hppa_frame_init_saved_regs (FI) /* Things needed for making the inferior call functions. */ diff --git a/gdb/config/pa/tm-hppa64.h b/gdb/config/pa/tm-hppa64.h index b2b98e40895..503e42688df 100644 --- a/gdb/config/pa/tm-hppa64.h +++ b/gdb/config/pa/tm-hppa64.h @@ -312,11 +312,11 @@ call_dummy for (i = 0; i < NUM_REGS; i++) \ { \ if (i == SP_REGNUM) \ - (FSR)->regs[SP_REGNUM] = read_memory_integer (TMP1 + SP_REGNUM * 8, 8); \ + (FSR)[SP_REGNUM] = read_memory_integer (TMP1 + SP_REGNUM * 8, 8); \ else if (i >= FP0_REGNUM) \ - (FSR)->regs[i] = TMP2 + (i - FP0_REGNUM) * 8; \ + (FSR)[i] = TMP2 + (i - FP0_REGNUM) * 8; \ else \ - (FSR)->regs[i] = TMP1 + i * 8; \ + (FSR)[i] = TMP1 + i * 8; \ } \ } diff --git a/gdb/config/pa/tm-hppah.h b/gdb/config/pa/tm-hppah.h index 4e68de992f1..5a457a9db3a 100644 --- a/gdb/config/pa/tm-hppah.h +++ b/gdb/config/pa/tm-hppah.h @@ -46,9 +46,8 @@ extern void hppa_hpux_frame_base_before_sigtramp (struct frame_info *fi, #define FRAME_BASE_BEFORE_SIGTRAMP(FRAME, TMP) \ hppa_hpux_frame_base_before_sigtramp (FRAME, TMP) -struct frame_saved_regs; extern void hppa_hpux_frame_find_saved_regs_in_sigtramp - (struct frame_info *fi, struct frame_saved_regs *fsr); + (struct frame_info *fi, CORE_ADDR *fsr); #define FRAME_FIND_SAVED_REGS_IN_SIGTRAMP(FRAME, FSR) \ hppa_hpux_frame_find_saved_regs_in_sigtramp (FRAME, FSR) diff --git a/gdb/frame.c b/gdb/frame.c index b58900b7f00..5e7f6f1ec05 100644 --- a/gdb/frame.c +++ b/gdb/frame.c @@ -1776,34 +1776,6 @@ deprecated_set_frame_type (struct frame_info *frame, enum frame_type type) frame->type = type; } -#ifdef FRAME_FIND_SAVED_REGS -/* XXX - deprecated. This is a compatibility function for targets - that do not yet implement DEPRECATED_FRAME_INIT_SAVED_REGS. */ -/* Find the addresses in which registers are saved in FRAME. */ - -void -deprecated_get_frame_saved_regs (struct frame_info *frame, - struct frame_saved_regs *saved_regs_addr) -{ - if (frame->saved_regs == NULL) - { - frame->saved_regs = (CORE_ADDR *) - frame_obstack_zalloc (SIZEOF_FRAME_SAVED_REGS); - } - if (saved_regs_addr == NULL) - { - struct frame_saved_regs saved_regs; - FRAME_FIND_SAVED_REGS (frame, saved_regs); - memcpy (frame->saved_regs, &saved_regs, SIZEOF_FRAME_SAVED_REGS); - } - else - { - FRAME_FIND_SAVED_REGS (frame, *saved_regs_addr); - memcpy (frame->saved_regs, saved_regs_addr, SIZEOF_FRAME_SAVED_REGS); - } -} -#endif - struct frame_extra_info * get_frame_extra_info (struct frame_info *fi) { diff --git a/gdb/frame.h b/gdb/frame.h index 1d26209cede..f928b9c11ba 100644 --- a/gdb/frame.h +++ b/gdb/frame.h @@ -324,24 +324,6 @@ extern CORE_ADDR frame_pc_unwind (struct frame_info *frame); of the caller. */ extern void frame_pop (struct frame_info *frame); -/* Describe the saved registers of a frame. */ - -#if defined (FRAME_FIND_SAVED_REGS) -/* XXXX - deprecated */ -struct frame_saved_regs - { - /* For each register R (except the SP), regs[R] is the address at - which it was saved on entry to the frame, or zero if it was not - saved on entry to this frame. This includes special registers - such as pc and fp saved in special ways in the stack frame. - - regs[SP_REGNUM] is different. It holds the actual SP, not the - address at which it was saved. */ - - CORE_ADDR regs[NUM_REGS]; - }; -#endif - /* We keep a cache of stack frames, each of which is a "struct frame_info". The innermost one gets allocated (in wait_for_inferior) each time the inferior stops; current_frame @@ -480,14 +462,6 @@ extern int frame_chain_valid (CORE_ADDR, struct frame_info *); extern void generic_save_dummy_frame_tos (CORE_ADDR sp); - -#ifdef FRAME_FIND_SAVED_REGS -/* XXX - deprecated */ -#define DEPRECATED_FRAME_INIT_SAVED_REGS(FI) deprecated_get_frame_saved_regs (FI, NULL) -extern void deprecated_get_frame_saved_regs (struct frame_info *, - struct frame_saved_regs *); -#endif - extern struct block *get_frame_block (struct frame_info *, CORE_ADDR *addr_in_block); diff --git a/gdb/gdbarch.h b/gdb/gdbarch.h index 8246bc1b42c..ab1db71cc2b 100644 --- a/gdb/gdbarch.h +++ b/gdb/gdbarch.h @@ -55,12 +55,6 @@ extern struct gdbarch *current_gdbarch; /* If any of the following are defined, the target wasn't correctly converted. */ -#if GDB_MULTI_ARCH -#if defined (FRAME_FIND_SAVED_REGS) -#error "FRAME_FIND_SAVED_REGS: replaced by DEPRECATED_FRAME_INIT_SAVED_REGS" -#endif -#endif - #if (GDB_MULTI_ARCH >= GDB_MULTI_ARCH_PURE) && defined (GDB_TM_FILE) #error "GDB_TM_FILE: Pure multi-arch targets do not have a tm.h file." #endif diff --git a/gdb/gdbarch.sh b/gdb/gdbarch.sh index 7f85063b15b..89e640d16be 100755 --- a/gdb/gdbarch.sh +++ b/gdb/gdbarch.sh @@ -820,12 +820,6 @@ extern struct gdbarch *current_gdbarch; /* If any of the following are defined, the target wasn't correctly converted. */ -#if GDB_MULTI_ARCH -#if defined (FRAME_FIND_SAVED_REGS) -#error "FRAME_FIND_SAVED_REGS: replaced by DEPRECATED_FRAME_INIT_SAVED_REGS" -#endif -#endif - #if (GDB_MULTI_ARCH >= GDB_MULTI_ARCH_PURE) && defined (GDB_TM_FILE) #error "GDB_TM_FILE: Pure multi-arch targets do not have a tm.h file." #endif diff --git a/gdb/hppa-hpux-tdep.c b/gdb/hppa-hpux-tdep.c index 3d1ca88ce50..1e1cb917820 100644 --- a/gdb/hppa-hpux-tdep.c +++ b/gdb/hppa-hpux-tdep.c @@ -35,7 +35,7 @@ void hppa_hpux_frame_saved_pc_in_sigtramp (struct frame_info *fi, void hppa_hpux_frame_base_before_sigtramp (struct frame_info *fi, CORE_ADDR *tmp); void hppa_hpux_frame_find_saved_regs_in_sigtramp - (struct frame_info *fi, struct frame_saved_regs *fsr); + (struct frame_info *fi, CORE_ADDR *fsr); int hppa_hpux_pc_in_sigtramp (CORE_ADDR pc, char *name) @@ -79,7 +79,7 @@ hppa_hpux_frame_base_before_sigtramp (struct frame_info *fi, void hppa_hpux_frame_find_saved_regs_in_sigtramp (struct frame_info *fi, - struct frame_saved_regs *fsr) + CORE_ADDR *fsr) { int i; const CORE_ADDR tmp = (fi)->frame + (10 * 4); @@ -87,9 +87,9 @@ hppa_hpux_frame_find_saved_regs_in_sigtramp (struct frame_info *fi, for (i = 0; i < NUM_REGS; i++) { if (i == SP_REGNUM) - (fsr)->regs[SP_REGNUM] = read_memory_integer (tmp + SP_REGNUM * 4, 4); + fsr[SP_REGNUM] = read_memory_integer (tmp + SP_REGNUM * 4, 4); else - (fsr)->regs[i] = tmp + i * 4; + fsr[i] = tmp + i * 4; } } diff --git a/gdb/hppa-tdep.c b/gdb/hppa-tdep.c index c9826e0f9d9..896d638e9e7 100644 --- a/gdb/hppa-tdep.c +++ b/gdb/hppa-tdep.c @@ -78,8 +78,7 @@ static unsigned extract_5R_store (unsigned int); static unsigned extract_5r_store (unsigned int); -static void find_dummy_frame_regs (struct frame_info *, - struct frame_saved_regs *); +static void find_dummy_frame_regs (struct frame_info *, CORE_ADDR *); static int find_proc_framesize (CORE_ADDR); @@ -103,7 +102,7 @@ static int low_sign_extend (unsigned int, unsigned int); static int sign_extend (unsigned int, unsigned int); -static int restore_pc_queue (struct frame_saved_regs *); +static int restore_pc_queue (CORE_ADDR *); static int hppa_alignof (struct type *); @@ -943,13 +942,13 @@ hppa_frame_saved_pc (struct frame_info *frame) && ((get_frame_type (frame->next) == SIGTRAMP_FRAME) || pc_in_interrupt_handler (frame->next->pc))) { - struct frame_saved_regs saved_regs; - - deprecated_get_frame_saved_regs (frame->next, &saved_regs); - if (read_memory_integer (saved_regs.regs[FLAGS_REGNUM], + CORE_ADDR *saved_regs; + hppa_frame_init_saved_regs (frame->next); + saved_regs = get_frame_saved_regs (frame->next); + if (read_memory_integer (saved_regs[FLAGS_REGNUM], TARGET_PTR_BIT / 8) & 0x2) { - pc = read_memory_integer (saved_regs.regs[31], + pc = read_memory_integer (saved_regs[31], TARGET_PTR_BIT / 8) & ~0x3; /* Syscalls are really two frames. The syscall stub itself @@ -957,11 +956,11 @@ hppa_frame_saved_pc (struct frame_info *frame) a return pointer in %r31. We return the %rp variant if %r31 is the same as frame->pc. */ if (pc == frame->pc) - pc = read_memory_integer (saved_regs.regs[RP_REGNUM], + pc = read_memory_integer (saved_regs[RP_REGNUM], TARGET_PTR_BIT / 8) & ~0x3; } else - pc = read_memory_integer (saved_regs.regs[RP_REGNUM], + pc = read_memory_integer (saved_regs[RP_REGNUM], TARGET_PTR_BIT / 8) & ~0x3; } else @@ -983,13 +982,13 @@ hppa_frame_saved_pc (struct frame_info *frame) && ((get_frame_type (frame->next) == SIGTRAMP_FRAME) || pc_in_interrupt_handler (frame->next->pc))) { - struct frame_saved_regs saved_regs; - - deprecated_get_frame_saved_regs (frame->next, &saved_regs); - if (read_memory_integer (saved_regs.regs[FLAGS_REGNUM], + CORE_ADDR *saved_regs; + hppa_frame_init_saved_regs (frame->next); + saved_regs = get_frame_saved_regs (frame->next); + if (read_memory_integer (saved_regs[FLAGS_REGNUM], TARGET_PTR_BIT / 8) & 0x2) { - pc = read_memory_integer (saved_regs.regs[31], + pc = read_memory_integer (saved_regs[31], TARGET_PTR_BIT / 8) & ~0x3; /* Syscalls are really two frames. The syscall stub itself @@ -997,11 +996,11 @@ hppa_frame_saved_pc (struct frame_info *frame) a return pointer in %r31. We return the %rp variant if %r31 is the same as frame->pc. */ if (pc == frame->pc) - pc = read_memory_integer (saved_regs.regs[RP_REGNUM], + pc = read_memory_integer (saved_regs[RP_REGNUM], TARGET_PTR_BIT / 8) & ~0x3; } else - pc = read_memory_integer (saved_regs.regs[RP_REGNUM], + pc = read_memory_integer (saved_regs[RP_REGNUM], TARGET_PTR_BIT / 8) & ~0x3; } else if (rp_offset == 0) @@ -1129,9 +1128,9 @@ hppa_frame_chain (struct frame_info *frame) /* A frame in the current frame list, or zero. */ struct frame_info *saved_regs_frame = 0; - /* Where the registers were saved in saved_regs_frame. - If saved_regs_frame is zero, this is garbage. */ - struct frame_saved_regs saved_regs; + /* Where the registers were saved in saved_regs_frame. If + saved_regs_frame is zero, this is garbage. */ + CORE_ADDR *saved_regs = NULL; CORE_ADDR caller_pc; @@ -1258,11 +1257,12 @@ hppa_frame_chain (struct frame_info *frame) /* The unwind entry claims that r3 is saved here. However, in optimized code, GCC often doesn't actually save r3. We'll discover this if we look at the prologue. */ - deprecated_get_frame_saved_regs (tmp_frame, &saved_regs); + hppa_frame_init_saved_regs (tmp_frame); + saved_regs = get_frame_saved_regs (tmp_frame); saved_regs_frame = tmp_frame; /* If we have an address for r3, that's good. */ - if (saved_regs.regs[FP_REGNUM]) + if (saved_regs[FP_REGNUM]) break; } } @@ -1307,21 +1307,24 @@ hppa_frame_chain (struct frame_info *frame) system call has a variable sized stack frame. */ if (tmp_frame != saved_regs_frame) - deprecated_get_frame_saved_regs (tmp_frame, &saved_regs); + { + hppa_frame_init_saved_regs (tmp_frame); + saved_regs = get_frame_saved_regs (tmp_frame); + } /* Abominable hack. */ if (current_target.to_has_execution == 0 - && ((saved_regs.regs[FLAGS_REGNUM] - && (read_memory_integer (saved_regs.regs[FLAGS_REGNUM], + && ((saved_regs[FLAGS_REGNUM] + && (read_memory_integer (saved_regs[FLAGS_REGNUM], TARGET_PTR_BIT / 8) & 0x2)) - || (saved_regs.regs[FLAGS_REGNUM] == 0 + || (saved_regs[FLAGS_REGNUM] == 0 && read_register (FLAGS_REGNUM) & 0x2))) { u = find_unwind_entry (DEPRECATED_FRAME_SAVED_PC (frame)); if (!u) { - return read_memory_integer (saved_regs.regs[FP_REGNUM], + return read_memory_integer (saved_regs[FP_REGNUM], TARGET_PTR_BIT / 8); } else @@ -1330,7 +1333,7 @@ hppa_frame_chain (struct frame_info *frame) } } - return read_memory_integer (saved_regs.regs[FP_REGNUM], + return read_memory_integer (saved_regs[FP_REGNUM], TARGET_PTR_BIT / 8); } } @@ -1342,21 +1345,24 @@ hppa_frame_chain (struct frame_info *frame) tmp_frame = tmp_frame->next; if (tmp_frame != saved_regs_frame) - deprecated_get_frame_saved_regs (tmp_frame, &saved_regs); + { + hppa_frame_init_saved_regs (tmp_frame); + saved_regs = get_frame_saved_regs (tmp_frame); + } /* Abominable hack. See above. */ if (current_target.to_has_execution == 0 - && ((saved_regs.regs[FLAGS_REGNUM] - && (read_memory_integer (saved_regs.regs[FLAGS_REGNUM], + && ((saved_regs[FLAGS_REGNUM] + && (read_memory_integer (saved_regs[FLAGS_REGNUM], TARGET_PTR_BIT / 8) & 0x2)) - || (saved_regs.regs[FLAGS_REGNUM] == 0 + || (saved_regs[FLAGS_REGNUM] == 0 && read_register (FLAGS_REGNUM) & 0x2))) { u = find_unwind_entry (DEPRECATED_FRAME_SAVED_PC (frame)); if (!u) { - return read_memory_integer (saved_regs.regs[FP_REGNUM], + return read_memory_integer (saved_regs[FP_REGNUM], TARGET_PTR_BIT / 8); } else @@ -1496,26 +1502,26 @@ hppa_push_dummy_frame (void) static void find_dummy_frame_regs (struct frame_info *frame, - struct frame_saved_regs *frame_saved_regs) + CORE_ADDR frame_saved_regs[]) { CORE_ADDR fp = frame->frame; int i; /* The 32bit and 64bit ABIs save RP into different locations. */ if (REGISTER_SIZE == 8) - frame_saved_regs->regs[RP_REGNUM] = (fp - 16) & ~0x3; + frame_saved_regs[RP_REGNUM] = (fp - 16) & ~0x3; else - frame_saved_regs->regs[RP_REGNUM] = (fp - 20) & ~0x3; + frame_saved_regs[RP_REGNUM] = (fp - 20) & ~0x3; - frame_saved_regs->regs[FP_REGNUM] = fp; + frame_saved_regs[FP_REGNUM] = fp; - frame_saved_regs->regs[1] = fp + (2 * REGISTER_SIZE); + frame_saved_regs[1] = fp + (2 * REGISTER_SIZE); for (fp += 3 * REGISTER_SIZE, i = 3; i < 32; i++) { if (i != FP_REGNUM) { - frame_saved_regs->regs[i] = fp; + frame_saved_regs[i] = fp; fp += REGISTER_SIZE; } } @@ -1525,14 +1531,14 @@ find_dummy_frame_regs (struct frame_info *frame, fp += 4; for (i = FP0_REGNUM; i < NUM_REGS; i++, fp += 8) - frame_saved_regs->regs[i] = fp; - - frame_saved_regs->regs[IPSW_REGNUM] = fp; - frame_saved_regs->regs[SAR_REGNUM] = fp + REGISTER_SIZE; - frame_saved_regs->regs[PCOQ_HEAD_REGNUM] = fp + 2 * REGISTER_SIZE; - frame_saved_regs->regs[PCSQ_HEAD_REGNUM] = fp + 3 * REGISTER_SIZE; - frame_saved_regs->regs[PCOQ_TAIL_REGNUM] = fp + 4 * REGISTER_SIZE; - frame_saved_regs->regs[PCSQ_TAIL_REGNUM] = fp + 5 * REGISTER_SIZE; + frame_saved_regs[i] = fp; + + frame_saved_regs[IPSW_REGNUM] = fp; + frame_saved_regs[SAR_REGNUM] = fp + REGISTER_SIZE; + frame_saved_regs[PCOQ_HEAD_REGNUM] = fp + 2 * REGISTER_SIZE; + frame_saved_regs[PCSQ_HEAD_REGNUM] = fp + 3 * REGISTER_SIZE; + frame_saved_regs[PCOQ_TAIL_REGNUM] = fp + 4 * REGISTER_SIZE; + frame_saved_regs[PCSQ_TAIL_REGNUM] = fp + 5 * REGISTER_SIZE; } void @@ -1541,44 +1547,45 @@ hppa_pop_frame (void) register struct frame_info *frame = get_current_frame (); register CORE_ADDR fp, npc, target_pc; register int regnum; - struct frame_saved_regs fsr; + CORE_ADDR *fsr; double freg_buffer; fp = get_frame_base (frame); - deprecated_get_frame_saved_regs (frame, &fsr); + hppa_frame_init_saved_regs (frame); + fsr = get_frame_saved_regs (frame); #ifndef NO_PC_SPACE_QUEUE_RESTORE - if (fsr.regs[IPSW_REGNUM]) /* Restoring a call dummy frame */ - restore_pc_queue (&fsr); + if (fsr[IPSW_REGNUM]) /* Restoring a call dummy frame */ + restore_pc_queue (fsr); #endif for (regnum = 31; regnum > 0; regnum--) - if (fsr.regs[regnum]) - write_register (regnum, read_memory_integer (fsr.regs[regnum], + if (fsr[regnum]) + write_register (regnum, read_memory_integer (fsr[regnum], REGISTER_SIZE)); for (regnum = NUM_REGS - 1; regnum >= FP0_REGNUM; regnum--) - if (fsr.regs[regnum]) + if (fsr[regnum]) { - read_memory (fsr.regs[regnum], (char *) &freg_buffer, 8); + read_memory (fsr[regnum], (char *) &freg_buffer, 8); deprecated_write_register_bytes (REGISTER_BYTE (regnum), (char *) &freg_buffer, 8); } - if (fsr.regs[IPSW_REGNUM]) + if (fsr[IPSW_REGNUM]) write_register (IPSW_REGNUM, - read_memory_integer (fsr.regs[IPSW_REGNUM], + read_memory_integer (fsr[IPSW_REGNUM], REGISTER_SIZE)); - if (fsr.regs[SAR_REGNUM]) + if (fsr[SAR_REGNUM]) write_register (SAR_REGNUM, - read_memory_integer (fsr.regs[SAR_REGNUM], + read_memory_integer (fsr[SAR_REGNUM], REGISTER_SIZE)); /* If the PC was explicitly saved, then just restore it. */ - if (fsr.regs[PCOQ_TAIL_REGNUM]) + if (fsr[PCOQ_TAIL_REGNUM]) { - npc = read_memory_integer (fsr.regs[PCOQ_TAIL_REGNUM], + npc = read_memory_integer (fsr[PCOQ_TAIL_REGNUM], REGISTER_SIZE); write_register (PCOQ_TAIL_REGNUM, npc); } @@ -1591,7 +1598,7 @@ hppa_pop_frame (void) write_register (FP_REGNUM, read_memory_integer (fp, REGISTER_SIZE)); - if (fsr.regs[IPSW_REGNUM]) /* call dummy */ + if (fsr[IPSW_REGNUM]) /* call dummy */ write_register (SP_REGNUM, fp - 48); else write_register (SP_REGNUM, fp); @@ -1604,7 +1611,7 @@ hppa_pop_frame (void) Don't skip through the trampoline if we're popping a dummy frame. */ target_pc = SKIP_TRAMPOLINE_CODE (npc & ~0x3) & ~0x3; - if (target_pc && !fsr.regs[IPSW_REGNUM]) + if (target_pc && !fsr[IPSW_REGNUM]) { struct symtab_and_line sal; struct breakpoint *breakpoint; @@ -1635,10 +1642,10 @@ hppa_pop_frame (void) queue space registers. */ static int -restore_pc_queue (struct frame_saved_regs *fsr) +restore_pc_queue (CORE_ADDR *fsr) { CORE_ADDR pc = read_pc (); - CORE_ADDR new_pc = read_memory_integer (fsr->regs[PCOQ_HEAD_REGNUM], + CORE_ADDR new_pc = read_memory_integer (fsr[PCOQ_HEAD_REGNUM], TARGET_PTR_BIT / 8); struct target_waitstatus w; int insn_count; @@ -1657,7 +1664,7 @@ restore_pc_queue (struct frame_saved_regs *fsr) So, load up the registers and single step until we are in the right place. */ - write_register (21, read_memory_integer (fsr->regs[PCSQ_HEAD_REGNUM], + write_register (21, read_memory_integer (fsr[PCSQ_HEAD_REGNUM], REGISTER_SIZE)); write_register (22, new_pc); @@ -3842,15 +3849,15 @@ hppa_skip_prologue (CORE_ADDR pc) return (skip_prologue_hard_way (pc)); } -/* Put here the code to store, into a struct frame_saved_regs, - the addresses of the saved registers of frame described by FRAME_INFO. - This includes special registers such as pc and fp saved in special - ways in the stack frame. sp is even more special: - the address we return for it IS the sp for the next frame. */ +/* Put here the code to store, into the SAVED_REGS, the addresses of + the saved registers of frame described by FRAME_INFO. This + includes special registers such as pc and fp saved in special ways + in the stack frame. sp is even more special: the address we return + for it IS the sp for the next frame. */ void hppa_frame_find_saved_regs (struct frame_info *frame_info, - struct frame_saved_regs *frame_saved_regs) + CORE_ADDR frame_saved_regs[]) { CORE_ADDR pc; struct unwind_table_entry *u; @@ -3861,7 +3868,7 @@ hppa_frame_find_saved_regs (struct frame_info *frame_info, int final_iteration; /* Zero out everything. */ - memset (frame_saved_regs, '\0', sizeof (struct frame_saved_regs)); + memset (frame_saved_regs, '\0', SIZEOF_FRAME_SAVED_REGS); /* Call dummy frames always look the same, so there's no need to examine the dummy code to determine locations of saved registers; @@ -3892,11 +3899,11 @@ hppa_frame_find_saved_regs (struct frame_info *frame_info, { /* SP is a little special. */ if (i == SP_REGNUM) - frame_saved_regs->regs[SP_REGNUM] + frame_saved_regs[SP_REGNUM] = read_memory_integer (frame_info->frame + SP_REGNUM * 4, TARGET_PTR_BIT / 8); else - frame_saved_regs->regs[i] = frame_info->frame + i * 4; + frame_saved_regs[i] = frame_info->frame + i * 4; } return; } @@ -3945,7 +3952,7 @@ hppa_frame_find_saved_regs (struct frame_info *frame_info, /* The frame always represents the value of %sp at entry to the current function (and is thus equivalent to the "saved" stack pointer. */ - frame_saved_regs->regs[SP_REGNUM] = frame_info->frame; + frame_saved_regs[SP_REGNUM] = frame_info->frame; /* Loop until we find everything of interest or hit a branch. @@ -3980,12 +3987,12 @@ hppa_frame_find_saved_regs (struct frame_info *frame_info, if (inst == 0x6bc23fd9) /* stw rp,-0x14(sr0,sp) */ { save_rp = 0; - frame_saved_regs->regs[RP_REGNUM] = frame_info->frame - 20; + frame_saved_regs[RP_REGNUM] = frame_info->frame - 20; } else if (inst == 0x0fc212c1) /* std rp,-0x10(sr0,sp) */ { save_rp = 0; - frame_saved_regs->regs[RP_REGNUM] = frame_info->frame - 16; + frame_saved_regs[RP_REGNUM] = frame_info->frame - 16; } /* Note if we saved SP into the stack. This also happens to indicate @@ -3993,7 +4000,7 @@ hppa_frame_find_saved_regs (struct frame_info *frame_info, if ( (inst & 0xffffc000) == 0x6fc10000 /* stw,ma r1,N(sr0,sp) */ || (inst & 0xffffc00c) == 0x73c10008) /* std,ma r1,N(sr0,sp) */ { - frame_saved_regs->regs[FP_REGNUM] = frame_info->frame; + frame_saved_regs[FP_REGNUM] = frame_info->frame; save_sp = 0; } @@ -4007,10 +4014,10 @@ hppa_frame_find_saved_regs (struct frame_info *frame_info, /* stwm with a positive displacement is a *post modify*. */ if ((inst >> 26) == 0x1b && extract_14 (inst) >= 0) - frame_saved_regs->regs[reg] = frame_info->frame; + frame_saved_regs[reg] = frame_info->frame; /* A std has explicit post_modify forms. */ else if ((inst & 0xfc00000c0) == 0x70000008) - frame_saved_regs->regs[reg] = frame_info->frame; + frame_saved_regs[reg] = frame_info->frame; else { CORE_ADDR offset; @@ -4024,10 +4031,10 @@ hppa_frame_find_saved_regs (struct frame_info *frame_info, /* Handle code with and without frame pointers. */ if (u->Save_SP) - frame_saved_regs->regs[reg] + frame_saved_regs[reg] = frame_info->frame + offset; else - frame_saved_regs->regs[reg] + frame_saved_regs[reg] = (frame_info->frame + (u->Total_frame_size << 3) + offset); } @@ -4060,12 +4067,12 @@ hppa_frame_find_saved_regs (struct frame_info *frame_info, /* 1st HP CC FP register store. After this instruction we've set enough state that the GCC and HPCC code are both handled in the same manner. */ - frame_saved_regs->regs[reg + FP4_REGNUM + 4] = frame_info->frame; + frame_saved_regs[reg + FP4_REGNUM + 4] = frame_info->frame; fp_loc = 8; } else { - frame_saved_regs->regs[reg + FP0_REGNUM + 4] + frame_saved_regs[reg + FP0_REGNUM + 4] = frame_info->frame + fp_loc; fp_loc += 8; } @@ -4085,6 +4092,17 @@ hppa_frame_find_saved_regs (struct frame_info *frame_info, } } +/* XXX - deprecated. This is a compatibility function for targets + that do not yet implement DEPRECATED_FRAME_INIT_SAVED_REGS. */ +/* Find the addresses in which registers are saved in FRAME. */ + +void +hppa_frame_init_saved_regs (struct frame_info *frame) +{ + if (get_frame_saved_regs (frame) == NULL) + frame_saved_regs_zalloc (frame); + hppa_frame_find_saved_regs (frame, get_frame_saved_regs (frame)); +} /* Exception handling support for the HP-UX ANSI C++ compiler. The compiler (aCC) provides a callback for exception events; diff --git a/gdb/remote-vxsparc.c b/gdb/remote-vxsparc.c index eb59b9fb43a..a97c18eed99 100644 --- a/gdb/remote-vxsparc.c +++ b/gdb/remote-vxsparc.c @@ -97,10 +97,9 @@ vx_read_register (int regno) bcopy (&sparc_greg_packet[SPARC_R_Y], &deprecated_registers[REGISTER_BYTE (Y_REGNUM)], 6 * SPARC_GREG_SIZE); - /* Now write the local and in registers to the register window - spill area in the frame. VxWorks does not do this for the - active frame automatically; it greatly simplifies debugging - (FRAME_FIND_SAVED_REGS, in particular, depends on this). */ + /* Now write the local and in registers to the register window spill + area in the frame. VxWorks does not do this for the active frame + automatically; it greatly simplifies debugging. */ sp = extract_address (&deprecated_registers[REGISTER_BYTE (SP_REGNUM)], REGISTER_RAW_SIZE (SP_REGNUM)); diff --git a/gdb/sparc-tdep.c b/gdb/sparc-tdep.c index 0e57aefd9d5..da50574aba3 100644 --- a/gdb/sparc-tdep.c +++ b/gdb/sparc-tdep.c @@ -41,6 +41,7 @@ #endif #include "gdbcore.h" +#include "gdb_assert.h" #include "symfile.h" /* for 'entry_point_address' */ @@ -1133,9 +1134,7 @@ sparc_frame_find_saved_regs (struct frame_info *fi, CORE_ADDR *saved_regs_addr) register int regnum; CORE_ADDR frame_addr = get_frame_base (fi); - if (!fi) - internal_error (__FILE__, __LINE__, - "Bad frame info struct in FRAME_FIND_SAVED_REGS"); + gdb_assert (fi != NULL); memset (saved_regs_addr, 0, NUM_REGS * sizeof (CORE_ADDR)); -- 2.30.2