From 42ba0959de3ed742a55a50502ccb234ea919b527 Mon Sep 17 00:00:00 2001 From: Jim Blandy Date: Fri, 13 Jun 2003 23:07:19 +0000 Subject: * ppc-linux-tdep.c (ppc64_call_dummy_address): New function. (ppc_linux_init_abi): Set it as the gdbarch's call_dummy_address method. --- gdb/ChangeLog | 4 ++++ gdb/ppc-linux-tdep.c | 14 ++++++++++++++ 2 files changed, 18 insertions(+) diff --git a/gdb/ChangeLog b/gdb/ChangeLog index 01070fc4f89..990f5d23be5 100644 --- a/gdb/ChangeLog +++ b/gdb/ChangeLog @@ -1,5 +1,9 @@ 2003-06-13 Jim Blandy + * ppc-linux-tdep.c (ppc64_call_dummy_address): New function. + (ppc_linux_init_abi): Set it as the gdbarch's call_dummy_address + method. + * ppc-linux-tdep.c (ppc64_desc_entry_point): New function. (ppc64_standard_linkage_target): Use it. diff --git a/gdb/ppc-linux-tdep.c b/gdb/ppc-linux-tdep.c index a0954ef75db..600f5f20e3d 100644 --- a/gdb/ppc-linux-tdep.c +++ b/gdb/ppc-linux-tdep.c @@ -894,6 +894,18 @@ ppc64_skip_trampoline_code (CORE_ADDR pc) } +/* On 64-bit PowerPC Linux, the ELF header's e_entry field is the + address of a function descriptor for the entry point function, not + the actual entry point itself. So to find the actual address at + which execution should begin, we need to fetch the function's entry + point from that descriptor. */ +static CORE_ADDR +ppc64_call_dummy_address (void) +{ + return ppc64_desc_entry_point (entry_point_address ()); +} + + enum { ELF_NGREG = 48, ELF_NFPREG = 33, @@ -1015,6 +1027,8 @@ ppc_linux_init_abi (struct gdbarch_info info, if (tdep->wordsize == 8) { + set_gdbarch_call_dummy_address (gdbarch, ppc64_call_dummy_address); + set_gdbarch_in_solib_call_trampoline (gdbarch, ppc64_in_solib_call_trampoline); set_gdbarch_skip_trampoline_code (gdbarch, ppc64_skip_trampoline_code); -- cgit v1.2.1