diff options
Diffstat (limited to 'powerpc/PrintAsm.ml')
| -rw-r--r-- | powerpc/PrintAsm.ml | 32 |
1 files changed, 20 insertions, 12 deletions
diff --git a/powerpc/PrintAsm.ml b/powerpc/PrintAsm.ml index 691ecfb..0192747 100644 --- a/powerpc/PrintAsm.ml +++ b/powerpc/PrintAsm.ml @@ -77,25 +77,30 @@ let comment = | Linux -> "#" | Diab -> ";" +let symbol_fragment oc s n op = + fprintf oc "(%a)%s" symbol_offset (s, camlint_of_coqint n) op + let constant oc cst = match cst with | Cint n -> fprintf oc "%ld" (camlint_of_coqint n) | Csymbol_low(s, n) -> - fprintf oc "(%a)@l" symbol_offset (s, camlint_of_coqint n) + symbol_fragment oc s n "@l" | Csymbol_high(s, n) -> - fprintf oc "(%a)@ha" symbol_offset (s, camlint_of_coqint n) + symbol_fragment oc s n "@ha" | Csymbol_sda(s, n) -> - begin match target with - | Linux -> - fprintf oc "(%a)@sda21" symbol_offset (s, camlint_of_coqint n) - | Diab -> - fprintf oc "(%a)@sdarx" symbol_offset (s, camlint_of_coqint n) - end + symbol_fragment oc s n + (match target with Linux -> "@sda21" | Diab -> "@sdarx") + (* 32-bit relative addressing is supported by the Diab tools but not by + GNU binutils. In the latter case, for testing purposes, we treat + them as absolute addressings. The default base register being GPR0, + this produces correct code, albeit with absolute addresses. *) | Csymbol_rel_low(s, n) -> - fprintf oc "(%a)@sdax@l" symbol_offset (s, camlint_of_coqint n) + symbol_fragment oc s n + (match target with Linux -> "@l" | Diab -> "@sdax@l") | Csymbol_rel_high(s, n) -> - fprintf oc "(%a)@sdarx@ha" symbol_offset (s, camlint_of_coqint n) + symbol_fragment oc s n + (match target with Linux -> "@ha" | Diab -> "@sdarx@ha") let num_crbit = function | CRbit_0 -> 0 @@ -159,9 +164,12 @@ let preg oc = function let name_of_section_Linux = function | Section_text -> ".text" | Section_data i -> if i then ".data" else "COMM" - | Section_small_data i -> if i then ".sdata" else "COMM" + | Section_small_data i -> + if i + then ".section .sdata,\"aw\",@progbits" + else ".section .sbss,\"aw\",@progbits" | Section_const -> ".rodata" - | Section_small_const -> ".sdata2" + | Section_small_const -> ".section .sdata2,\"a\",@progbits" | Section_string -> ".rodata" | Section_literal -> ".section .rodata.cst8,\"aM\",@progbits,8" | Section_jumptable -> ".text" |