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| author | Michael Snyder <msnyder@vmware.com> | 2002-08-07 18:17:26 +0000 |
|---|---|---|
| committer | Michael Snyder <msnyder@vmware.com> | 2002-08-07 18:17:26 +0000 |
| commit | 8b389c40fea3e5a51bc8f86eec29140de3d4d31a (patch) | |
| tree | 95b78c68b5dcfc002ad92563c9fddebf0f4d7022 /gdb/mips-tdep.c | |
| parent | 5c27f28ad0349fdd0183f029766db7097280635c (diff) | |
| download | gdb-8b389c40fea3e5a51bc8f86eec29140de3d4d31a.zip gdb-8b389c40fea3e5a51bc8f86eec29140de3d4d31a.tar.gz gdb-8b389c40fea3e5a51bc8f86eec29140de3d4d31a.tar.bz2 | |
2002-08-06 Michael Snyder <msnyder@redhat.com>
* 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.
Diffstat (limited to 'gdb/mips-tdep.c')
| -rw-r--r-- | gdb/mips-tdep.c | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/gdb/mips-tdep.c b/gdb/mips-tdep.c index ffe327d..fc1bb14 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__, |