diff options
Diffstat (limited to 'gcc/config/mips/mips.h')
| -rw-r--r-- | gcc/config/mips/mips.h | 22 |
1 files changed, 19 insertions, 3 deletions
diff --git a/gcc/config/mips/mips.h b/gcc/config/mips/mips.h index af8a7f4..6cf42a7 100644 --- a/gcc/config/mips/mips.h +++ b/gcc/config/mips/mips.h @@ -24,6 +24,8 @@ the Free Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ +#include "config/vxworks-dummy.h" + /* MIPS external variables defined in mips.c. */ /* Which processor to schedule for. Since there is no difference between @@ -143,6 +145,9 @@ extern const struct mips_rtx_cost_data *mips_cost; /* Run-time compilation parameters selecting different hardware subsets. */ +/* True if we are generating position-independent VxWorks RTP code. */ +#define TARGET_RTP_PIC (TARGET_VXWORKS_RTP && flag_pic) + /* True if the call patterns should be split into a jalr followed by an instruction to restore $gp. It is only safe to split the load from the call when every use of $gp is explicit. */ @@ -178,7 +183,7 @@ extern const struct mips_rtx_cost_data *mips_cost; (!TARGET_MIPS16 && (!TARGET_USE_GOT || TARGET_EXPLICIT_RELOCS)) /* True if we need to use a global offset table to access some symbols. */ -#define TARGET_USE_GOT TARGET_ABICALLS +#define TARGET_USE_GOT (TARGET_ABICALLS || TARGET_RTP_PIC) /* True if TARGET_USE_GOT and if $gp is a call-clobbered register. */ #define TARGET_CALL_CLOBBERED_GP (TARGET_ABICALLS && TARGET_OLDABI) @@ -186,8 +191,9 @@ extern const struct mips_rtx_cost_data *mips_cost; /* True if TARGET_USE_GOT and if $gp is a call-saved register. */ #define TARGET_CALL_SAVED_GP (TARGET_USE_GOT && !TARGET_CALL_CLOBBERED_GP) -/* True if indirect calls must use register class PIC_FN_ADDR_REG. */ -#define TARGET_USE_PIC_FN_ADDR_REG TARGET_ABICALLS +/* True if indirect calls must use register class PIC_FN_ADDR_REG. + This is true for both the PIC and non-PIC VxWorks RTP modes. */ +#define TARGET_USE_PIC_FN_ADDR_REG (TARGET_ABICALLS || TARGET_VXWORKS_RTP) /* True if .gpword or .gpdword should be used for switch tables. @@ -2578,6 +2584,16 @@ do { \ fprintf (STREAM, "\t%s\t%sL%d\n", \ ptr_mode == DImode ? ".gpdword" : ".gpword", \ LOCAL_LABEL_PREFIX, VALUE); \ + else if (TARGET_RTP_PIC) \ + { \ + /* Make the entry relative to the start of the function. */ \ + rtx fnsym = XEXP (DECL_RTL (current_function_decl), 0); \ + fprintf (STREAM, "\t%s\t%sL%d-", \ + Pmode == DImode ? ".dword" : ".word", \ + LOCAL_LABEL_PREFIX, VALUE); \ + assemble_name (STREAM, XSTR (fnsym, 0)); \ + fprintf (STREAM, "\n"); \ + } \ else \ fprintf (STREAM, "\t%s\t%sL%d\n", \ ptr_mode == DImode ? ".dword" : ".word", \ |