diff options
Diffstat (limited to 'gdb')
| -rw-r--r-- | gdb/ChangeLog | 9 | ||||
| -rw-r--r-- | gdb/config/mips/tm-mips.h | 4 | ||||
| -rw-r--r-- | gdb/mdebugread.c | 124 | ||||
| -rw-r--r-- | gdb/mips-tdep.c | 11 | ||||
| -rw-r--r-- | gdb/mipsread.c | 3 |
5 files changed, 9 insertions, 142 deletions
diff --git a/gdb/ChangeLog b/gdb/ChangeLog index d2cf99c..7c0ae2b 100644 --- a/gdb/ChangeLog +++ b/gdb/ChangeLog @@ -1,5 +1,14 @@ 2004-04-30 Andrew Cagney <cagney@redhat.com> + * mips-tdep.c (mips_pc_in_sigtramp): Delete. + (mips_gdbarch_init): Do not set pc_in_sigtramp. + * mipsread.c (sigtramp_address): Delete extern variable. + (mipscoff_new_init): Delete reference. + * mdebugread.c (sigtramp_address, sigtramp_end): Delete variables. + (fixup_sigtramp): Delete function. + * config/mips/tm-mips.h (sigtramp_address, sigtramp_end) + (fixup_sigtramp): Delete declarations. + * ppcnbsd-tdep.c (ppcnbsd_init_abi): Do not set deprecated_pc_in_sigtramp. (ppcnbsd_pc_in_sigtramp): Delete function. diff --git a/gdb/config/mips/tm-mips.h b/gdb/config/mips/tm-mips.h index be0d6b7..9345068 100644 --- a/gdb/config/mips/tm-mips.h +++ b/gdb/config/mips/tm-mips.h @@ -99,10 +99,6 @@ typedef struct mips_extra_func_info #define SETUP_ARBITRARY_FRAME(argc, argv) setup_arbitrary_frame (argc, argv) extern struct frame_info *setup_arbitrary_frame (int, CORE_ADDR *); -/* These are defined in mdebugread.c and are used in mips-tdep.c */ -extern CORE_ADDR sigtramp_address, sigtramp_end; -extern void fixup_sigtramp (void); - /* Functions for dealing with MIPS16 call and return stubs. */ #define IGNORE_HELPER_CALL(pc) mips_ignore_helper (pc) extern int mips_ignore_helper (CORE_ADDR pc); diff --git a/gdb/mdebugread.c b/gdb/mdebugread.c index 89d0282..f00cce4 100644 --- a/gdb/mdebugread.c +++ b/gdb/mdebugread.c @@ -321,10 +321,6 @@ static void handle_psymbol_enumerators (struct objfile *, FDR *, int, static char *mdebug_next_symbol_text (struct objfile *); -/* Address bounds for the signal trampoline in inferior, if any */ - -CORE_ADDR sigtramp_address, sigtramp_end; - /* Allocate zeroed memory */ static void * @@ -4751,126 +4747,6 @@ elfmdebug_build_psymtabs (struct objfile *objfile, install_minimal_symbols (objfile); do_cleanups (back_to); } - - -/* Things used for calling functions in the inferior. - These functions are exported to our companion - mips-tdep.c file and are here because they play - with the symbol-table explicitly. */ - -/* Sigtramp: make sure we have all the necessary information - about the signal trampoline code. Since the official code - from MIPS does not do so, we make up that information ourselves. - If they fix the library (unlikely) this code will neutralize itself. */ - -/* FIXME: This function is called only by mips-tdep.c. It needs to be - here because it calls functions defined in this file, but perhaps - this could be handled in a better way. Only compile it in when - tm-mips.h is included. */ - -#ifdef TM_MIPS_H - -void -fixup_sigtramp (void) -{ - struct symbol *s; - struct symtab *st; - struct block *b, *b0 = NULL; - - sigtramp_address = -1; - - /* We have to handle the following cases here: - a) The Mips library has a sigtramp label within sigvec. - b) Irix has a _sigtramp which we want to use, but it also has sigvec. */ - s = lookup_symbol ("sigvec", 0, VAR_DOMAIN, 0, NULL); - if (s != 0) - { - b0 = SYMBOL_BLOCK_VALUE (s); - s = lookup_symbol ("sigtramp", b0, VAR_DOMAIN, 0, NULL); - } - if (s == 0) - { - /* No sigvec or no sigtramp inside sigvec, try _sigtramp. */ - s = lookup_symbol ("_sigtramp", 0, VAR_DOMAIN, 0, NULL); - } - - /* But maybe this program uses its own version of sigvec */ - if (s == 0) - return; - - /* Did we or MIPSco fix the library ? */ - if (SYMBOL_CLASS (s) == LOC_BLOCK) - { - sigtramp_address = BLOCK_START (SYMBOL_BLOCK_VALUE (s)); - sigtramp_end = BLOCK_END (SYMBOL_BLOCK_VALUE (s)); - return; - } - - sigtramp_address = SYMBOL_VALUE (s); - sigtramp_end = sigtramp_address + 0x88; /* black magic */ - - /* But what symtab does it live in ? */ - st = find_pc_symtab (SYMBOL_VALUE (s)); - - /* - * Ok, there goes the fix: turn it into a procedure, with all the - * needed info. Note we make it a nested procedure of sigvec, - * which is the way the (assembly) code is actually written. - */ - SYMBOL_DOMAIN (s) = VAR_DOMAIN; - SYMBOL_CLASS (s) = LOC_BLOCK; - SYMBOL_TYPE (s) = init_type (TYPE_CODE_FUNC, 4, 0, (char *) NULL, - st->objfile); - TYPE_TARGET_TYPE (SYMBOL_TYPE (s)) = mdebug_type_void; - - /* Need a block to allocate MIPS_EFI_SYMBOL_NAME in */ - b = new_block (NON_FUNCTION_BLOCK); - SYMBOL_BLOCK_VALUE (s) = b; - BLOCK_START (b) = sigtramp_address; - BLOCK_END (b) = sigtramp_end; - BLOCK_FUNCTION (b) = s; - BLOCK_SUPERBLOCK (b) = BLOCK_SUPERBLOCK (b0); - add_block (b, st); - sort_blocks (st); - - /* Make a MIPS_EFI_SYMBOL_NAME entry for it */ - { - struct mips_extra_func_info *e = - ((struct mips_extra_func_info *) - xzalloc (sizeof (struct mips_extra_func_info))); - - e->numargs = 0; /* the kernel thinks otherwise */ - e->pdr.frameoffset = 32; - e->pdr.framereg = SP_REGNUM; - /* Note that setting pcreg is no longer strictly necessary as - mips_frame_saved_pc is now aware of signal handler frames. */ - e->pdr.pcreg = PC_REGNUM; - e->pdr.regmask = -2; - /* Offset to saved r31, in the sigtramp case the saved registers - are above the frame in the sigcontext. - We have 4 alignment bytes, 12 bytes for onstack, mask and pc, - 32 * 4 bytes for the general registers, 12 bytes for mdhi, mdlo, ownedfp - and 32 * 4 bytes for the floating point registers. */ - e->pdr.regoffset = 4 + 12 + 31 * 4; - e->pdr.fregmask = -1; - /* Offset to saved f30 (first saved *double* register). */ - e->pdr.fregoffset = 4 + 12 + 32 * 4 + 12 + 30 * 4; - e->pdr.isym = (long) s; - e->pdr.adr = sigtramp_address; - - current_objfile = st->objfile; /* Keep new_symbol happy */ - s = new_symbol (MIPS_EFI_SYMBOL_NAME); - SYMBOL_VALUE (s) = (long) e; - SYMBOL_DOMAIN (s) = LABEL_DOMAIN; - SYMBOL_CLASS (s) = LOC_CONST; - SYMBOL_TYPE (s) = mdebug_type_void; - current_objfile = NULL; - } - - dict_add_symbol (BLOCK_DICT (b), s); -} - -#endif /* TM_MIPS_H */ void _initialize_mdebugread (void) diff --git a/gdb/mips-tdep.c b/gdb/mips-tdep.c index 6da91ab..5c77340 100644 --- a/gdb/mips-tdep.c +++ b/gdb/mips-tdep.c @@ -4841,16 +4841,6 @@ mips_skip_prologue (CORE_ADDR pc) return mips32_skip_prologue (pc); } -/* Exported procedure: Is PC in the signal trampoline code */ - -static int -mips_pc_in_sigtramp (CORE_ADDR pc, char *ignore) -{ - if (sigtramp_address == 0) - fixup_sigtramp (); - return (pc >= sigtramp_address && pc < sigtramp_end); -} - /* Root of all "set mips "/"show mips " commands. This will eventually be used for all MIPS-specific commands. */ @@ -5781,7 +5771,6 @@ mips_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches) set_gdbarch_register_type (gdbarch, mips_register_type); set_gdbarch_print_registers_info (gdbarch, mips_print_registers_info); - set_gdbarch_deprecated_pc_in_sigtramp (gdbarch, mips_pc_in_sigtramp); set_gdbarch_print_insn (gdbarch, gdb_print_insn_mips); diff --git a/gdb/mipsread.c b/gdb/mipsread.c index f67eeea..d0d0b9d 100644 --- a/gdb/mipsread.c +++ b/gdb/mipsread.c @@ -59,12 +59,9 @@ read_alphacoff_dynamic_symtab (struct section_offsets *, symbol file is specified (not just adding some symbols from another file, e.g. a shared library). */ -extern CORE_ADDR sigtramp_address; - static void mipscoff_new_init (struct objfile *ignore) { - sigtramp_address = 0; stabsread_new_init (); buildsym_new_init (); } |