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| author | Richard Kenner <kenner@gcc.gnu.org> | 1994-10-28 19:07:48 -0400 |
|---|---|---|
| committer | Richard Kenner <kenner@gcc.gnu.org> | 1994-10-28 19:07:48 -0400 |
| commit | d06cca55f5271fddbc8a156299d800c7073a1871 (patch) | |
| tree | e4483dae831c76967f560dfe282095898223a977 /gcc | |
| parent | 9a517e7b868cfc79d7b6118591ec059f53f603c9 (diff) | |
| download | gcc-d06cca55f5271fddbc8a156299d800c7073a1871.zip gcc-d06cca55f5271fddbc8a156299d800c7073a1871.tar.gz gcc-d06cca55f5271fddbc8a156299d800c7073a1871.tar.bz2 | |
(TRAMPOLINE_SIZE): Install real implementation.
(INITIALIZE_TRAMPOLINE, TRAMPOLINE_TEMPLATE): Likewise.
From-SVN: r8356
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/config/pdp11/pdp11.h | 31 |
1 files changed, 25 insertions, 6 deletions
diff --git a/gcc/config/pdp11/pdp11.h b/gcc/config/pdp11/pdp11.h index 4ae4203..b0cab19 100644 --- a/gcc/config/pdp11/pdp11.h +++ b/gcc/config/pdp11/pdp11.h @@ -1242,19 +1242,38 @@ fprintf (FILE, "$help$: . = .+8 ; space for tmp moves!\n") \ #define ASM_OUTPUT_DOUBLE_INT(a,b) fprintf(a,"%d", b) -/* trampoline - how should i do it in separate i+d ? */ -#define TRAMPOLINE_SIZE 0 +/* trampoline - how should i do it in separate i+d ? + have some allocate_trampoline magic??? -#define INITIALIZE_TRAMPOLINE(x,y,z) \ + the following should work for shared I/D: */ + +/* lets see whether this works as trampoline: +MV #STATIC, $4 0x940Y 0x0000 <- STATIC; Y = STATIC_CHAIN_REGNUM +JMP FUNCTION 0x0058 0x0000 <- FUNCTION +*/ + +#define TRAMPOLINE_TEMPLATE(FILE) \ { \ -abort(); \ + ASM_OUTPUT_INT (FILE, gen_rtx(CONST_INT, VOIDmode, 0x9400+STATIC_CHAIN_REGNUM)); \ + ASM_OUTPUT_INT (FILE, const0_rtx); \ + ASM_OUTPUT_INT (FILE, gen_rtx(CONST_INT, VOIDmode, 0x0058)); \ + ASM_OUTPUT_INT (FILE, const0_rtx); \ } -#define TRAMPOLINE_TEMPLATE(FILE) \ +#define TRAMPOLINE_SIZE 8 +#define TRAMPOLINE_ALIGN 16 + +/* Emit RTL insns to initialize the variable parts of a trampoline. + FNADDR is an RTX for the address of the function's pure code. + CXT is an RTX for the static chain value for the function. */ + +#define INITIALIZE_TRAMPOLINE(TRAMP,FNADDR,CXT) \ { \ -abort(); \ + emit_move_insn (gen_rtx (MEM, HImode, plus_constant (TRAMP, 2)), CXT); \ + emit_move_insn (gen_rtx (MEM, HImode, plus_constant (TRAMP, 6)), FNADDR); \ } + /* Some machines may desire to change what optimizations are performed for various optimization levels. This macro, if defined, is executed once just after the optimization level is |