diff options
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/config/arm/netbsd.h | 27 |
2 files changed, 32 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 97747a2..8dc77e2 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2002-09-08 Krister Walfridsson <cato@df.lth.se> + + * config/arm/netbsd.h (INITIALIZE_TRAMPOLINE): Redefine. + (CLEAR_INSN_CACHE): Define. + 2002-09-08 Kazu Hirata <kazu@cs.umass.edu> * basic-block.h: Fix comment formatting. diff --git a/gcc/config/arm/netbsd.h b/gcc/config/arm/netbsd.h index 5a080d3..e558267 100644 --- a/gcc/config/arm/netbsd.h +++ b/gcc/config/arm/netbsd.h @@ -147,3 +147,30 @@ Boston, MA 02111-1307, USA. */ requirements. */ #undef DEFAULT_STRUCTURE_SIZE_BOUNDARY #define DEFAULT_STRUCTURE_SIZE_BOUNDARY 8 + +/* Emit code to set up a trampoline and synchronise the caches. */ +#undef INITIALIZE_TRAMPOLINE +#define INITIALIZE_TRAMPOLINE(TRAMP, FNADDR, CXT) \ +{ \ + emit_move_insn (gen_rtx (MEM, SImode, plus_constant ((TRAMP), 8)), \ + (CXT)); \ + emit_move_insn (gen_rtx (MEM, SImode, plus_constant ((TRAMP), 12)), \ + (FNADDR)); \ + emit_library_call (gen_rtx_SYMBOL_REF (Pmode, "__clear_cache"), \ + 0, VOIDmode, 2, TRAMP, Pmode, \ + plus_constant (TRAMP, TRAMPOLINE_SIZE), Pmode); \ +} + +/* Clear the instruction cache from `BEG' to `END'. This makes a + call to the ARM32_SYNC_ICACHE architecture specific syscall. */ +#define CLEAR_INSN_CACHE(BEG, END) \ +{ \ + extern int sysarch(int number, void *args); \ + struct { \ + unsigned int addr; \ + int len; \ + } s; \ + s.addr = (unsigned int)(BEG); \ + s.len = (END) - (BEG); \ + (void)sysarch(0, &s); \ +} |