2004-01-13 Andrew Cagney <cagney@redhat.com>

	* gdbarch.sh (FUNCTION_START_OFFSET): Make zero the default.
	* gdbarch.c: Re-generate.
	* xstormy16-tdep.c (xstormy16_gdbarch_init): Do not set
	FUNCTION_START_OFFSET.
	* v850-tdep.c (v850_gdbarch_init): Ditto.
	* sparc-tdep.c (sparc32_gdbarch_init): Ditto.
	* sh64-tdep.c (sh64_gdbarch_init): Ditto.
	* sh-tdep.c (sh_gdbarch_init): Ditto.
	* s390-tdep.c (s390_gdbarch_init): Ditto.
	* rs6000-tdep.c (rs6000_gdbarch_init): Ditto.
	* ns32k-tdep.c (ns32k_gdbarch_init): Ditto.
	* mn10300-tdep.c (mn10300_gdbarch_init): Ditto.
	* mips-tdep.c (mips_gdbarch_init): Ditto.
	* mcore-tdep.c (mcore_gdbarch_init): Ditto.
	* m68k-tdep.c (m68k_gdbarch_init): Ditto.
	* m68hc11-tdep.c (m68hc11_gdbarch_init): Ditto.
	* m32r-tdep.c (m32r_gdbarch_init): Ditto.
	* ia64-tdep.c (ia64_gdbarch_init): Ditto.
	* i386-tdep.c (i386_gdbarch_init): Ditto.
	* hppa-tdep.c (hppa_gdbarch_init): Ditto.
	* h8300-tdep.c (h8300_gdbarch_init): Ditto.
	* frv-tdep.c (frv_gdbarch_init): Ditto.
	* d10v-tdep.c (d10v_gdbarch_init): Ditto.
	* cris-tdep.c (cris_gdbarch_init): Ditto.
	* avr-tdep.c (avr_gdbarch_init): Ditto.
	* arm-tdep.c (arm_gdbarch_init): Ditto.
	* alpha-tdep.c (alpha_gdbarch_init): Ditto.

27 files changed, 33 insertions, 45 deletions

diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index 8b4bcb1..b161cfe 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,3 +1,33 @@
+2004-01-13  Andrew Cagney  <cagney@redhat.com>
+
+	* gdbarch.sh (FUNCTION_START_OFFSET): Make zero the default.
+	* gdbarch.c: Re-generate.
+	* xstormy16-tdep.c (xstormy16_gdbarch_init): Do not set
+	FUNCTION_START_OFFSET.
+	* v850-tdep.c (v850_gdbarch_init): Ditto.
+	* sparc-tdep.c (sparc32_gdbarch_init): Ditto.
+	* sh64-tdep.c (sh64_gdbarch_init): Ditto.
+	* sh-tdep.c (sh_gdbarch_init): Ditto.
+	* s390-tdep.c (s390_gdbarch_init): Ditto.
+	* rs6000-tdep.c (rs6000_gdbarch_init): Ditto.
+	* ns32k-tdep.c (ns32k_gdbarch_init): Ditto.
+	* mn10300-tdep.c (mn10300_gdbarch_init): Ditto.
+	* mips-tdep.c (mips_gdbarch_init): Ditto.
+	* mcore-tdep.c (mcore_gdbarch_init): Ditto.
+	* m68k-tdep.c (m68k_gdbarch_init): Ditto.
+	* m68hc11-tdep.c (m68hc11_gdbarch_init): Ditto.
+	* m32r-tdep.c (m32r_gdbarch_init): Ditto.
+	* ia64-tdep.c (ia64_gdbarch_init): Ditto.
+	* i386-tdep.c (i386_gdbarch_init): Ditto.
+	* hppa-tdep.c (hppa_gdbarch_init): Ditto.
+	* h8300-tdep.c (h8300_gdbarch_init): Ditto.
+	* frv-tdep.c (frv_gdbarch_init): Ditto.
+	* d10v-tdep.c (d10v_gdbarch_init): Ditto.
+	* cris-tdep.c (cris_gdbarch_init): Ditto.
+	* avr-tdep.c (avr_gdbarch_init): Ditto.
+	* arm-tdep.c (arm_gdbarch_init): Ditto.
+	* alpha-tdep.c (alpha_gdbarch_init): Ditto.
+
 2004-01-13  Daniel Jacobowitz  <drow@mvista.com>
 
 	* infrun.c (follow_fork_mode_ask): Remove.
diff --git a/gdb/alpha-tdep.c b/gdb/alpha-tdep.c
index 325cf19..a166ba5 100644
--- a/gdb/alpha-tdep.c
+++ b/gdb/alpha-tdep.c
@@ -1555,7 +1555,6 @@ alpha_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
   set_gdbarch_breakpoint_from_pc (gdbarch, alpha_breakpoint_from_pc);
   set_gdbarch_decr_pc_after_break (gdbarch, 4);
 
-  set_gdbarch_function_start_offset (gdbarch, 0);
   set_gdbarch_frame_args_skip (gdbarch, 0);
 
   /* Hook in ABI-specific overrides, if they have been registered.  */
diff --git a/gdb/arm-tdep.c b/gdb/arm-tdep.c
index e7aef4a..9794141 100644
--- a/gdb/arm-tdep.c
+++ b/gdb/arm-tdep.c
@@ -2866,9 +2866,6 @@ arm_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
   set_gdbarch_smash_text_address (gdbarch, arm_smash_text_address);
   set_gdbarch_addr_bits_remove (gdbarch, arm_addr_bits_remove);
 
-  /* Offset from address of function to start of its code.  */
-  set_gdbarch_function_start_offset (gdbarch, 0);
-
   /* Advance PC across function entry code.  */
   set_gdbarch_skip_prologue (gdbarch, arm_skip_prologue);
 
diff --git a/gdb/avr-tdep.c b/gdb/avr-tdep.c
index 9ef84c0..f4fe631 100644
--- a/gdb/avr-tdep.c
+++ b/gdb/avr-tdep.c
@@ -1322,8 +1322,6 @@ avr_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
   set_gdbarch_decr_pc_after_break (gdbarch, 0);
   set_gdbarch_breakpoint_from_pc (gdbarch, avr_breakpoint_from_pc);
 
-  set_gdbarch_function_start_offset (gdbarch, 0);
-
   set_gdbarch_frame_args_skip (gdbarch, 0);
   set_gdbarch_frameless_function_invocation (gdbarch,
                                              frameless_look_for_prologue);
diff --git a/gdb/cris-tdep.c b/gdb/cris-tdep.c
index 6c5483b..05fe319 100644
--- a/gdb/cris-tdep.c
+++ b/gdb/cris-tdep.c
@@ -4285,9 +4285,6 @@ cris_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
      handler takes care of that.)  */
   set_gdbarch_decr_pc_after_break (gdbarch, 0);
   
-  /* Offset from address of function to start of its code.  */
-  set_gdbarch_function_start_offset (gdbarch, 0);  
-  
   /* The number of bytes at the start of arglist that are not really args,
      0 in the CRIS ABI.  */
   set_gdbarch_frame_args_skip (gdbarch, 0);
diff --git a/gdb/d10v-tdep.c b/gdb/d10v-tdep.c
index 6ad5ed5..f0016aa 100644
--- a/gdb/d10v-tdep.c
+++ b/gdb/d10v-tdep.c
@@ -1516,7 +1516,6 @@ d10v_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
   set_gdbarch_skip_prologue (gdbarch, d10v_skip_prologue);
   set_gdbarch_inner_than (gdbarch, core_addr_lessthan);
   set_gdbarch_decr_pc_after_break (gdbarch, 4);
-  set_gdbarch_function_start_offset (gdbarch, 0);
   set_gdbarch_breakpoint_from_pc (gdbarch, d10v_breakpoint_from_pc);
 
   set_gdbarch_remote_translate_xfer_address (gdbarch, 
diff --git a/gdb/frv-tdep.c b/gdb/frv-tdep.c
index 28fbc35..007d031 100644
--- a/gdb/frv-tdep.c
+++ b/gdb/frv-tdep.c
@@ -1421,7 +1421,6 @@ frv_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
   set_gdbarch_write_pc (gdbarch, generic_target_write_pc);
 
   set_gdbarch_decr_pc_after_break (gdbarch, 0);
-  set_gdbarch_function_start_offset (gdbarch, 0);
 
   set_gdbarch_remote_translate_xfer_address
     (gdbarch, generic_remote_translate_xfer_address);
diff --git a/gdb/gdbarch.c b/gdb/gdbarch.c
index bac577b..cb8bbb9 100644
--- a/gdb/gdbarch.c
+++ b/gdb/gdbarch.c
@@ -526,7 +526,6 @@ gdbarch_alloc (const struct gdbarch_info *info,
   current_gdbarch->memory_insert_breakpoint = default_memory_insert_breakpoint;
   current_gdbarch->memory_remove_breakpoint = default_memory_remove_breakpoint;
   current_gdbarch->decr_pc_after_break = -1;
-  current_gdbarch->function_start_offset = -1;
   current_gdbarch->remote_translate_xfer_address = generic_remote_translate_xfer_address;
   current_gdbarch->frame_args_skip = -1;
   current_gdbarch->frameless_function_invocation = generic_frameless_function_invocation_not;
@@ -712,9 +711,7 @@ verify_gdbarch (struct gdbarch *current_gdbarch)
   if ((GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL)
       && (current_gdbarch->decr_pc_after_break == -1))
     fprintf_unfiltered (log, "\n\tdecr_pc_after_break");
-  if ((GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL)
-      && (current_gdbarch->function_start_offset == -1))
-    fprintf_unfiltered (log, "\n\tfunction_start_offset");
+  /* Skip verify of function_start_offset, invalid_p == 0 */
   /* Skip verify of remote_translate_xfer_address, invalid_p == 0 */
   if ((GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL)
       && (current_gdbarch->frame_args_skip == -1))
@@ -4644,8 +4641,7 @@ CORE_ADDR
 gdbarch_function_start_offset (struct gdbarch *gdbarch)
 {
   gdb_assert (gdbarch != NULL);
-  /* Check variable changed from pre-default.  */
-  gdb_assert (gdbarch->function_start_offset != -1);
+  /* Skip verify of function_start_offset, invalid_p == 0 */
   if (gdbarch_debug >= 2)
     fprintf_unfiltered (gdb_stdlog, "gdbarch_function_start_offset called\n");
   return gdbarch->function_start_offset;
diff --git a/gdb/gdbarch.sh b/gdb/gdbarch.sh
index eb015b3..e5400b9 100755
--- a/gdb/gdbarch.sh
+++ b/gdb/gdbarch.sh
@@ -633,7 +633,7 @@ M:2:ADJUST_BREAKPOINT_ADDRESS:CORE_ADDR:adjust_breakpoint_address:CORE_ADDR bpad
 f:2:MEMORY_INSERT_BREAKPOINT:int:memory_insert_breakpoint:CORE_ADDR addr, char *contents_cache:addr, contents_cache::0:default_memory_insert_breakpoint::0
 f:2:MEMORY_REMOVE_BREAKPOINT:int:memory_remove_breakpoint:CORE_ADDR addr, char *contents_cache:addr, contents_cache::0:default_memory_remove_breakpoint::0
 v:2:DECR_PC_AFTER_BREAK:CORE_ADDR:decr_pc_after_break::::0:-1
-v:2:FUNCTION_START_OFFSET:CORE_ADDR:function_start_offset::::0:-1
+v:2:FUNCTION_START_OFFSET:CORE_ADDR:function_start_offset::::0:::0
 #
 m::REMOTE_TRANSLATE_XFER_ADDRESS:void:remote_translate_xfer_address:struct regcache *regcache, CORE_ADDR gdb_addr, int gdb_len, CORE_ADDR *rem_addr, int *rem_len:regcache, gdb_addr, gdb_len, rem_addr, rem_len:::generic_remote_translate_xfer_address::0
 #
diff --git a/gdb/h8300-tdep.c b/gdb/h8300-tdep.c
index 4a66d80..150bac4 100644
--- a/gdb/h8300-tdep.c
+++ b/gdb/h8300-tdep.c
@@ -1327,8 +1327,6 @@ h8300_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
      (which means: exactly on trap instruction). */
   set_gdbarch_decr_pc_after_break (gdbarch, 0);
   /* This value is almost never non-zero... */
-  set_gdbarch_function_start_offset (gdbarch, 0);
-  /* This value is almost never non-zero... */
   set_gdbarch_frame_args_skip (gdbarch, 0);
   set_gdbarch_frameless_function_invocation (gdbarch,
 					     frameless_look_for_prologue);
diff --git a/gdb/hppa-tdep.c b/gdb/hppa-tdep.c
index 1e51103..33b3cb4 100644
--- a/gdb/hppa-tdep.c
+++ b/gdb/hppa-tdep.c
@@ -5189,7 +5189,6 @@ hppa_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
 
   /* The following gdbarch vector elements do not depend on the address
      size, or in any other gdbarch element previously set.  */
-  set_gdbarch_function_start_offset (gdbarch, 0);
   set_gdbarch_skip_prologue (gdbarch, hppa_skip_prologue);
   set_gdbarch_skip_trampoline_code (gdbarch, hppa_skip_trampoline_code);
   set_gdbarch_in_solib_call_trampoline (gdbarch, hppa_in_solib_call_trampoline);
diff --git a/gdb/i386-tdep.c b/gdb/i386-tdep.c
index 4ee9fa4..651690f 100644
--- a/gdb/i386-tdep.c
+++ b/gdb/i386-tdep.c
@@ -2005,7 +2005,6 @@ i386_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
 
   set_gdbarch_breakpoint_from_pc (gdbarch, i386_breakpoint_from_pc);
   set_gdbarch_decr_pc_after_break (gdbarch, 1);
-  set_gdbarch_function_start_offset (gdbarch, 0);
 
   set_gdbarch_frame_args_skip (gdbarch, 8);
   set_gdbarch_pc_in_sigtramp (gdbarch, i386_pc_in_sigtramp);
diff --git a/gdb/ia64-tdep.c b/gdb/ia64-tdep.c
index 760a17d..d31b05b 100644
--- a/gdb/ia64-tdep.c
+++ b/gdb/ia64-tdep.c
@@ -3426,7 +3426,6 @@ ia64_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
   set_gdbarch_inner_than (gdbarch, core_addr_lessthan);
 
   set_gdbarch_decr_pc_after_break (gdbarch, 0);
-  set_gdbarch_function_start_offset (gdbarch, 0);
   set_gdbarch_frame_args_skip (gdbarch, 0);
 
   set_gdbarch_remote_translate_xfer_address (
diff --git a/gdb/m32r-tdep.c b/gdb/m32r-tdep.c
index b2bc71f..86335d6 100644
--- a/gdb/m32r-tdep.c
+++ b/gdb/m32r-tdep.c
@@ -946,7 +946,6 @@ m32r_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
   set_gdbarch_skip_prologue (gdbarch, m32r_skip_prologue);
   set_gdbarch_inner_than (gdbarch, core_addr_lessthan);
   set_gdbarch_decr_pc_after_break (gdbarch, 0);
-  set_gdbarch_function_start_offset (gdbarch, 0);
   set_gdbarch_breakpoint_from_pc (gdbarch, m32r_breakpoint_from_pc);
   set_gdbarch_memory_insert_breakpoint (gdbarch,
 					m32r_memory_insert_breakpoint);
diff --git a/gdb/m68hc11-tdep.c b/gdb/m68hc11-tdep.c
index cc0ad71..fdf006f 100644
--- a/gdb/m68hc11-tdep.c
+++ b/gdb/m68hc11-tdep.c
@@ -1557,7 +1557,6 @@ m68hc11_gdbarch_init (struct gdbarch_info info,
   set_gdbarch_skip_prologue (gdbarch, m68hc11_skip_prologue);
   set_gdbarch_inner_than (gdbarch, core_addr_lessthan);
   set_gdbarch_decr_pc_after_break (gdbarch, 0);
-  set_gdbarch_function_start_offset (gdbarch, 0);
   set_gdbarch_breakpoint_from_pc (gdbarch, m68hc11_breakpoint_from_pc);
   set_gdbarch_deprecated_stack_align (gdbarch, m68hc11_stack_align);
   set_gdbarch_print_insn (gdbarch, gdb_print_insn_m68hc11);
diff --git a/gdb/m68k-tdep.c b/gdb/m68k-tdep.c
index e5b41a9..bb41ba5 100644
--- a/gdb/m68k-tdep.c
+++ b/gdb/m68k-tdep.c
@@ -1103,8 +1103,6 @@ m68k_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
   set_gdbarch_long_double_format (gdbarch, &floatformat_m68881_ext);
   set_gdbarch_long_double_bit (gdbarch, 96);
 
-  set_gdbarch_function_start_offset (gdbarch, 0);
-
   set_gdbarch_skip_prologue (gdbarch, m68k_skip_prologue);
 #ifdef SYSCALL_TRAP
   set_gdbarch_deprecated_saved_pc_after_call (gdbarch, m68k_saved_pc_after_call);
diff --git a/gdb/mcore-tdep.c b/gdb/mcore-tdep.c
index 598a0ac..863a8c3 100644
--- a/gdb/mcore-tdep.c
+++ b/gdb/mcore-tdep.c
@@ -1071,7 +1071,6 @@ mcore_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
   set_gdbarch_deprecated_sizeof_call_dummy_words (gdbarch, 0);
   set_gdbarch_deprecated_save_dummy_frame_tos (gdbarch, generic_save_dummy_frame_tos);
   set_gdbarch_deprecated_saved_pc_after_call (gdbarch, mcore_saved_pc_after_call);
-  set_gdbarch_function_start_offset (gdbarch, 0);
   set_gdbarch_decr_pc_after_break (gdbarch, 0);
   set_gdbarch_breakpoint_from_pc (gdbarch, mcore_breakpoint_from_pc);
   set_gdbarch_deprecated_push_return_address (gdbarch, mcore_push_return_address);
diff --git a/gdb/mips-tdep.c b/gdb/mips-tdep.c
index fafac66..6b89c0a 100644
--- a/gdb/mips-tdep.c
+++ b/gdb/mips-tdep.c
@@ -6050,8 +6050,6 @@ mips_gdbarch_init (struct gdbarch_info info,
   set_gdbarch_address_to_pointer (gdbarch, address_to_signed_pointer);
   set_gdbarch_integer_to_address (gdbarch, mips_integer_to_address);
 
-  set_gdbarch_function_start_offset (gdbarch, 0);
-
   set_gdbarch_register_type (gdbarch, mips_register_type);
 
   set_gdbarch_print_registers_info (gdbarch, mips_print_registers_info);
diff --git a/gdb/mn10300-tdep.c b/gdb/mn10300-tdep.c
index fdc3530..cd145ec 100644
--- a/gdb/mn10300-tdep.c
+++ b/gdb/mn10300-tdep.c
@@ -1173,7 +1173,6 @@ mn10300_gdbarch_init (struct gdbarch_info info,
 
   /* Breakpoints.  */
   set_gdbarch_breakpoint_from_pc (gdbarch, mn10300_breakpoint_from_pc);
-  set_gdbarch_function_start_offset (gdbarch, 0);
   set_gdbarch_decr_pc_after_break (gdbarch, 0);
 
   /* Stack unwinding.  */
diff --git a/gdb/ns32k-tdep.c b/gdb/ns32k-tdep.c
index d426113..f42a7c5 100644
--- a/gdb/ns32k-tdep.c
+++ b/gdb/ns32k-tdep.c
@@ -601,9 +601,6 @@ ns32k_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
   set_gdbarch_decr_pc_after_break (gdbarch, 0);
   set_gdbarch_breakpoint_from_pc (gdbarch, ns32k_breakpoint_from_pc);
 
-  /* Misc info */
-  set_gdbarch_function_start_offset (gdbarch, 0);
-
   /* Should be using push_dummy_call.  */
   set_gdbarch_deprecated_dummy_write_sp (gdbarch, deprecated_write_sp);
 
diff --git a/gdb/rs6000-tdep.c b/gdb/rs6000-tdep.c
index b3a322d..698e77a 100644
--- a/gdb/rs6000-tdep.c
+++ b/gdb/rs6000-tdep.c
@@ -2887,7 +2887,6 @@ rs6000_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
   set_gdbarch_skip_prologue (gdbarch, rs6000_skip_prologue);
   set_gdbarch_inner_than (gdbarch, core_addr_lessthan);
   set_gdbarch_decr_pc_after_break (gdbarch, 0);
-  set_gdbarch_function_start_offset (gdbarch, 0);
   set_gdbarch_breakpoint_from_pc (gdbarch, rs6000_breakpoint_from_pc);
 
   /* Handle the 64-bit SVR4 minimal-symbol convention of using "FN"
diff --git a/gdb/s390-tdep.c b/gdb/s390-tdep.c
index eb4a62e..0e52652 100644
--- a/gdb/s390-tdep.c
+++ b/gdb/s390-tdep.c
@@ -2597,9 +2597,6 @@ s390_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
   set_gdbarch_deprecated_pop_frame (gdbarch, s390_pop_frame);
   /* Stack grows downward.  */
   set_gdbarch_inner_than (gdbarch, core_addr_lessthan);
-  /* Offset from address of function to start of its code.
-     Zero on most machines.  */
-  set_gdbarch_function_start_offset (gdbarch, 0);
   set_gdbarch_deprecated_max_register_raw_size (gdbarch, 8);
   set_gdbarch_deprecated_max_register_virtual_size (gdbarch, 8);
   set_gdbarch_breakpoint_from_pc (gdbarch, s390_breakpoint_from_pc);
diff --git a/gdb/sh-tdep.c b/gdb/sh-tdep.c
index a14c0d9..7f1dad5 100644
--- a/gdb/sh-tdep.c
+++ b/gdb/sh-tdep.c
@@ -2245,7 +2245,6 @@ sh_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
   set_gdbarch_skip_prologue (gdbarch, sh_skip_prologue);
   set_gdbarch_inner_than (gdbarch, core_addr_lessthan);
   set_gdbarch_decr_pc_after_break (gdbarch, 0);
-  set_gdbarch_function_start_offset (gdbarch, 0);
 
   set_gdbarch_push_dummy_call (gdbarch, sh_push_dummy_call_nofpu);
 
diff --git a/gdb/sh64-tdep.c b/gdb/sh64-tdep.c
index ac080ac..218c09b 100644
--- a/gdb/sh64-tdep.c
+++ b/gdb/sh64-tdep.c
@@ -2849,7 +2849,6 @@ sh64_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
   set_gdbarch_skip_prologue (gdbarch, sh_skip_prologue);
   set_gdbarch_inner_than (gdbarch, core_addr_lessthan);
   set_gdbarch_decr_pc_after_break (gdbarch, 0);
-  set_gdbarch_function_start_offset (gdbarch, 0);
 
   set_gdbarch_frame_args_skip (gdbarch, 0);
   set_gdbarch_frameless_function_invocation (gdbarch, frameless_look_for_prologue);
diff --git a/gdb/sparc-tdep.c b/gdb/sparc-tdep.c
index e79f038..805f64e 100644
--- a/gdb/sparc-tdep.c
+++ b/gdb/sparc-tdep.c
@@ -1081,7 +1081,6 @@ sparc32_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
 
   set_gdbarch_breakpoint_from_pc (gdbarch, sparc_breakpoint_from_pc);
   set_gdbarch_decr_pc_after_break (gdbarch, 0);
-  set_gdbarch_function_start_offset (gdbarch, 0);
 
   set_gdbarch_frame_args_skip (gdbarch, 8);
 
diff --git a/gdb/v850-tdep.c b/gdb/v850-tdep.c
index a9ca9dd..e482038 100644
--- a/gdb/v850-tdep.c
+++ b/gdb/v850-tdep.c
@@ -1263,8 +1263,6 @@ v850_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
      (which means: exactly on trap instruction). */
   set_gdbarch_decr_pc_after_break (gdbarch, 0);
   /* This value is almost never non-zero... */
-  set_gdbarch_function_start_offset (gdbarch, 0);
-  /* This value is almost never non-zero... */
   set_gdbarch_frame_args_skip (gdbarch, 0);
 
   /*
diff --git a/gdb/xstormy16-tdep.c b/gdb/xstormy16-tdep.c
index e4bebc8..c4925f0 100644
--- a/gdb/xstormy16-tdep.c
+++ b/gdb/xstormy16-tdep.c
@@ -1073,8 +1073,6 @@ xstormy16_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
      (which means: exactly on trap instruction). */
   set_gdbarch_decr_pc_after_break (gdbarch, 0);
   /* This value is almost never non-zero... */
-  set_gdbarch_function_start_offset (gdbarch, 0);
-  /* This value is almost never non-zero... */
   set_gdbarch_frame_args_skip (gdbarch, 0);
 
   /*