diff options
Diffstat (limited to 'gcc/config')
| -rw-r--r-- | gcc/config/rs6000/eabi.asm | 18 | ||||
| -rw-r--r-- | gcc/config/rs6000/sysv4.h | 30 |
2 files changed, 40 insertions, 8 deletions
diff --git a/gcc/config/rs6000/eabi.asm b/gcc/config/rs6000/eabi.asm index 996f600b3ef..b903d2bb4d0 100644 --- a/gcc/config/rs6000/eabi.asm +++ b/gcc/config/rs6000/eabi.asm @@ -5,19 +5,25 @@ .section ".text" .globl __eabi - .long 0x4000 # traceback table -__eabi: mflr 0 - bl .Laddr # get current address + .section ".got2","aw" +.LCTOC1 = .+32768 # Table of addresses -.Ltable: - .long .Ltable # address we are really at +.Ltable = .-.LCTOC1 + .long .Laddr # address we are really at .long _GLOBAL_OFFSET_TABLE_ # normal GOT address .long _GOT2_START_ # -mrelocatable GOT pointers start .long _GOT2_END_ # -mrelocatable GOT pointers end + .text +.Lptr: .long .LCTOC1-.Laddr # PC relative pointer to .got2 + .long 0x4000 # traceback table + +__eabi: mflr 0 + bl .Laddr # get current address .Laddr: mflr 11 # real address of .Ltable - lwz 12,0(11) # linker generated address of .Ltable + lwz 12,(.Laddr-.Lptr)(11) # linker generated address of .Ltable + add 12,12,11 # correct to real pointer subf. 12,12,11 # calculate difference bc 4,2,.Lreloc # skip if we need to relocate diff --git a/gcc/config/rs6000/sysv4.h b/gcc/config/rs6000/sysv4.h index a51988d8182..4a4ee0ac2a0 100644 --- a/gcc/config/rs6000/sysv4.h +++ b/gcc/config/rs6000/sysv4.h @@ -262,8 +262,34 @@ extern int rs6000_pic_labelno; #undef TARGET_VERSION #define TARGET_VERSION fprintf (stderr, " (PowerPC System V.4)"); -/* FIXME: These should actually indicate PowerPC, when there is some - standard way of expressing that. */ #undef CPP_PREDEFINES #define CPP_PREDEFINES \ "-DPPC -Dunix -D__svr4__ -Asystem(unix) -Asystem(svr4) -Acpu(powerpc) -Amachine(powerpc)" + +#undef CPP_SPEC +#define CPP_SPEC "\ +%{posix: -D_POSIX_SOURCE} \ +%{mrelocatable: -D_RELOCATABLE} \ +%{!mcpu*: \ + %{mpower: %{!mpower2: -D_ARCH_PWR}} \ + %{mpower2: -D_ARCH_PWR2} \ + %{mpowerpc*: -D_ARCH_PPC} \ + %{mno-powerpc: %{!mpower: %{!mpower2: -D_ARCH_COM}}} \ + %{!mno-powerpc: -D_ARCH_PPC}} \ +%{mcpu=common: -D_ARCH_COM} \ +%{mcpu=power: -D_ARCH_PWR} \ +%{mcpu=powerpc: -D_ARCH_PPC} \ +%{mcpu=rios: -D_ARCH_PWR} \ +%{mcpu=rios1: -D_ARCH_PWR} \ +%{mcpu=rios2: -D_ARCH_PWR2} \ +%{mcpu=rsc: -D_ARCH_PWR} \ +%{mcpu=rsc1: -D_ARCH_PWR} \ +%{mcpu=601: -D_ARCH_PPC -D_ARCH_PWR} \ +%{mcpu=mpc601: -D_ARCH_PPC -D_ARCH_PWR} \ +%{mcpu=ppc601: -D_ARCH_PPC -D_ARCH_PWR} \ +%{mcpu=603: -D_ARCH_PPC} \ +%{mcpu=mpc603: -D_ARCH_PPC} \ +%{mcpu=ppc603: -D_ARCH_PPC} \ +%{mcpu=604: -D_ARCH_PPC} \ +%{mcpu=mpc604: -D_ARCH_PPC} \ +%{mcpu=ppc604: -D_ARCH_PPC}" |