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* ppc-linux-tdep.c (ppc_linux_init_abi): Do not install

Browse Source 
ppc64_sysv_abi_adjust_breakpoint_address.
	* ppc-sysv-tdep.c (ppc64_sysv_abi_adjust_breakpoint_address): Remove.
	* ppc-tdep.h (ppc64_sysv_abi_adjust_breakpoint_address): Remove.
This commit is contained in:
Ulrich Weigand
2008-05-16 12:49:47 +00:00
parent 8526f32824
commit 74d1f0631a
4 changed files with 7 additions and 29 deletions
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7
gdb/ChangeLog
View File

@@ -1,3 +1,10 @@
2008-05-16 Ulrich Weigand <uweigand@de.ibm.com>
* ppc-linux-tdep.c (ppc_linux_init_abi): Do not install
ppc64_sysv_abi_adjust_breakpoint_address.
* ppc-sysv-tdep.c (ppc64_sysv_abi_adjust_breakpoint_address): Remove.
* ppc-tdep.h (ppc64_sysv_abi_adjust_breakpoint_address): Remove.
2008-05-16 Ulrich Weigand <uweigand@de.ibm.com>
* ppc-linux-tdep.c (ppc_linux_skip_trampoline_code): Remove.

9
gdb/ppc-linux-tdep.c
View File

@@ -914,15 +914,6 @@ ppc_linux_init_abi (struct gdbarch_info info,
if (tdep->wordsize == 8)
{
/* Handle the 64-bit SVR4 minimal-symbol convention of using "FN"
for the descriptor and ".FN" for the entry-point -- a user
specifying "break FN" will unexpectedly end up with a breakpoint
on the descriptor and not the function. This architecture method
transforms any breakpoints on descriptors into breakpoints on the
corresponding entry point. */
set_gdbarch_adjust_breakpoint_address
(gdbarch, ppc64_sysv_abi_adjust_breakpoint_address);
/* Handle PPC GNU/Linux 64-bit function pointers (which are really
function descriptors). */
set_gdbarch_convert_from_func_ptr_addr

17
gdb/ppc-sysv-tdep.c
View File

@@ -1510,20 +1510,3 @@ ppc64_sysv_abi_return_value (struct gdbarch *gdbarch, struct type *func_type,
return RETURN_VALUE_STRUCT_CONVENTION;
}
CORE_ADDR
ppc64_sysv_abi_adjust_breakpoint_address (struct gdbarch *gdbarch,
CORE_ADDR bpaddr)
{
/* PPC64 SYSV specifies that the minimal-symbol "FN" should point at
a function-descriptor while the corresponding minimal-symbol
".FN" should point at the entry point. Consequently, a command
like "break FN" applied to an object file with only minimal
symbols, will insert the breakpoint into the descriptor at "FN"
and not the function at ".FN". Avoid this confusion by adjusting
any attempt to set a descriptor breakpoint into a corresponding
function breakpoint. Note that GDB warns the user when this
adjustment is applied - that's ok as otherwise the user will have
no way of knowing why their breakpoint at "FN" resulted in the
program stopping at ".FN". */
return gdbarch_convert_from_func_ptr_addr (gdbarch, bpaddr, &current_target);
}

3
gdb/ppc-tdep.h
View File

@@ -54,9 +54,6 @@ CORE_ADDR ppc64_sysv_abi_push_dummy_call (struct gdbarch *gdbarch,
struct value **args, CORE_ADDR sp,
int struct_return,
CORE_ADDR struct_addr);
CORE_ADDR ppc64_sysv_abi_adjust_breakpoint_address (struct gdbarch *gdbarch,
CORE_ADDR bpaddr);
enum return_value_convention ppc64_sysv_abi_return_value (struct gdbarch *gdbarch,
struct type *func_type,
struct type *valtype,