diff options
Diffstat (limited to 'gdb/rs6000-tdep.c')
| -rw-r--r-- | gdb/rs6000-tdep.c | 23 |
1 files changed, 21 insertions, 2 deletions
diff --git a/gdb/rs6000-tdep.c b/gdb/rs6000-tdep.c index ff5a1540332..9e4d668ca4c 100644 --- a/gdb/rs6000-tdep.c +++ b/gdb/rs6000-tdep.c @@ -2563,8 +2563,6 @@ rs6000_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches) set_gdbarch_store_struct_return (gdbarch, rs6000_store_struct_return); set_gdbarch_store_return_value (gdbarch, rs6000_store_return_value); set_gdbarch_extract_struct_value_address (gdbarch, rs6000_extract_struct_value_address); - set_gdbarch_use_struct_convention (gdbarch, generic_use_struct_convention); - set_gdbarch_pop_frame (gdbarch, rs6000_pop_frame); set_gdbarch_skip_prologue (gdbarch, rs6000_skip_prologue); @@ -2576,6 +2574,27 @@ rs6000_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches) /* Not sure on this. FIXMEmgo */ set_gdbarch_frame_args_skip (gdbarch, 8); + /* Until November 2001, gcc was not complying to the SYSV ABI for + returning structures less than or equal to 8 bytes in size. It was + returning everything in memory. When this was corrected, it wasn't + fixed for native platforms. */ + if (sysv_abi) + { + if (osabi == ELFOSABI_LINUX + || osabi == ELFOSABI_NETBSD + || osabi == ELFOSABI_FREEBSD) + set_gdbarch_use_struct_convention (gdbarch, + generic_use_struct_convention); + else + set_gdbarch_use_struct_convention (gdbarch, + ppc_sysv_abi_use_struct_convention); + } + else + { + set_gdbarch_use_struct_convention (gdbarch, + generic_use_struct_convention); + } + set_gdbarch_frame_chain_valid (gdbarch, file_frame_chain_valid); if (osabi == ELFOSABI_LINUX) { |