From 8b389c40fea3e5a51bc8f86eec29140de3d4d31a Mon Sep 17 00:00:00 2001 From: Michael Snyder Date: Wed, 7 Aug 2002 18:17:26 +0000 Subject: [PATCH] 2002-08-06 Michael Snyder * mips-tdep.c: gdbarch-ify reg_struct_has_addr. (mips_eabi_reg_struct_has_addr, mips_n32n64_reg_struct_has_addr, mips_o32_reg_struct_has_addr): New functions. (mips_gdbarch_init): Set gdbarch reg_struct_has_addr. --- gdb/ChangeLog | 7 +++++++ gdb/mips-tdep.c | 40 ++++++++++++++++++++++++++++++++++++++++ 2 files changed, 47 insertions(+) diff --git a/gdb/ChangeLog b/gdb/ChangeLog index a9ead697e0a..b028a0718ac 100644 --- a/gdb/ChangeLog +++ b/gdb/ChangeLog @@ -1,3 +1,10 @@ +2002-08-06 Michael Snyder + + * mips-tdep.c: gdbarch-ify reg_struct_has_addr. + (mips_eabi_reg_struct_has_addr, mips_n32n64_reg_struct_has_addr, + mips_o32_reg_struct_has_addr): New functions. + (mips_gdbarch_init): Set gdbarch reg_struct_has_addr. + 2002-08-07 Andrew Cagney * regcache.c (pseudo_register): Delete function. diff --git a/gdb/mips-tdep.c b/gdb/mips-tdep.c index ffe327d3376..fc1bb148c0c 100644 --- a/gdb/mips-tdep.c +++ b/gdb/mips-tdep.c @@ -573,6 +573,34 @@ mips_use_struct_convention (int gcc_p, struct type *type) return 1; /* Structures are returned by ref in extra arg0 */ } +/* Should call_function pass struct by reference? + For each architecture, structs are passed either by + value or by reference, depending on their size. */ + +static int +mips_eabi_reg_struct_has_addr (int gcc_p, struct type *type) +{ + enum type_code typecode = TYPE_CODE (check_typedef (type)); + int len = TYPE_LENGTH (check_typedef (type)); + + if (typecode == TYPE_CODE_STRUCT || typecode == TYPE_CODE_UNION) + return (len > MIPS_SAVED_REGSIZE); + + return 0; +} + +static int +mips_n32n64_reg_struct_has_addr (int gcc_p, struct type *type) +{ + return 0; /* Assumption: N32/N64 never passes struct by ref. */ +} + +int +mips_o32_reg_struct_has_addr (int gcc_p, struct type *type) +{ + return 0; /* Assumption: O32/O64 never passes struct by ref. */ +} + /* Tell if the program counter value in MEMADDR is in a MIPS16 function. */ static int @@ -4489,6 +4517,8 @@ mips_gdbarch_init (struct gdbarch_info info, set_gdbarch_long_bit (gdbarch, 32); set_gdbarch_ptr_bit (gdbarch, 32); set_gdbarch_long_long_bit (gdbarch, 64); + set_gdbarch_reg_struct_has_addr (gdbarch, + mips_o32_reg_struct_has_addr); break; case MIPS_ABI_O64: tdep->mips_default_saved_regsize = 8; @@ -4502,6 +4532,8 @@ mips_gdbarch_init (struct gdbarch_info info, set_gdbarch_long_bit (gdbarch, 32); set_gdbarch_ptr_bit (gdbarch, 32); set_gdbarch_long_long_bit (gdbarch, 64); + set_gdbarch_reg_struct_has_addr (gdbarch, + mips_o32_reg_struct_has_addr); break; case MIPS_ABI_EABI32: tdep->mips_default_saved_regsize = 4; @@ -4515,6 +4547,8 @@ mips_gdbarch_init (struct gdbarch_info info, set_gdbarch_long_bit (gdbarch, 32); set_gdbarch_ptr_bit (gdbarch, 32); set_gdbarch_long_long_bit (gdbarch, 64); + set_gdbarch_reg_struct_has_addr (gdbarch, + mips_eabi_reg_struct_has_addr); break; case MIPS_ABI_EABI64: tdep->mips_default_saved_regsize = 8; @@ -4528,6 +4562,8 @@ mips_gdbarch_init (struct gdbarch_info info, set_gdbarch_long_bit (gdbarch, 64); set_gdbarch_ptr_bit (gdbarch, 64); set_gdbarch_long_long_bit (gdbarch, 64); + set_gdbarch_reg_struct_has_addr (gdbarch, + mips_eabi_reg_struct_has_addr); break; case MIPS_ABI_N32: tdep->mips_default_saved_regsize = 8; @@ -4552,6 +4588,8 @@ mips_gdbarch_init (struct gdbarch_info info, tm_print_insn_info.mach = info.bfd_arch_info->mach; else tm_print_insn_info.mach = bfd_mach_mips8000; + set_gdbarch_reg_struct_has_addr (gdbarch, + mips_n32n64_reg_struct_has_addr); break; case MIPS_ABI_N64: tdep->mips_default_saved_regsize = 8; @@ -4576,6 +4614,8 @@ mips_gdbarch_init (struct gdbarch_info info, tm_print_insn_info.mach = info.bfd_arch_info->mach; else tm_print_insn_info.mach = bfd_mach_mips8000; + set_gdbarch_reg_struct_has_addr (gdbarch, + mips_n32n64_reg_struct_has_addr); break; default: internal_error (__FILE__, __LINE__, -- 2.30.2