diff options
Diffstat (limited to 'packages/gcc/gcc-3.3.3/arm-gotoff.dpatch')
| -rw-r--r-- | packages/gcc/gcc-3.3.3/arm-gotoff.dpatch | 135 |
1 files changed, 135 insertions, 0 deletions
diff --git a/packages/gcc/gcc-3.3.3/arm-gotoff.dpatch b/packages/gcc/gcc-3.3.3/arm-gotoff.dpatch index e69de29bb2..610f9430e0 100644 --- a/packages/gcc/gcc-3.3.3/arm-gotoff.dpatch +++ b/packages/gcc/gcc-3.3.3/arm-gotoff.dpatch @@ -0,0 +1,135 @@ +#! /bin/sh -e + +src=gcc +if [ $# -eq 3 -a "$2" = '-d' ]; then + pdir="-d $3" + src=$3/gcc +elif [ $# -ne 1 ]; then + echo >&2 "`basename $0`: script expects -patch|-unpatch as argument" + exit 1 +fi +case "$1" in + -patch) + patch $pdir -f --no-backup-if-mismatch -p0 --fuzz 10 < $0 + ;; + -unpatch) + patch $pdir -f --no-backup-if-mismatch -R -p0 --fuzz 10 < $0 + ;; + *) + echo >&2 "`basename $0`: script expects -patch|-unpatch as argument" + exit 1 +esac +exit 0 + +# DP: use GOTOFF not GOT relocs for .LCn and other local symbols; +# DP: don't use gotoff for non-static functions, even if defined locally + +--- gcc/config/arm/arm.c 2003-06-14 15:20:53.000000000 +0100 ++++ gcc/config/arm/arm.c 2004-03-06 15:15:32.000000000 +0000 +@@ -2364,6 +2394,40 @@ + return 1; + } + ++/* Return true if OP is a symbolic operand that resolves locally. */ ++ ++static int ++local_symbolic_operand (op, mode) ++ rtx op; ++ enum machine_mode mode ATTRIBUTE_UNUSED; ++{ ++ if (GET_CODE (op) == CONST ++ && GET_CODE (XEXP (op, 0)) == PLUS ++ && GET_CODE (XEXP (XEXP (op, 0), 1)) == CONST_INT) ++ op = XEXP (XEXP (op, 0), 0); ++ ++ if (GET_CODE (op) == LABEL_REF) ++ return 1; ++ ++ if (GET_CODE (op) != SYMBOL_REF) ++ return 0; ++ ++ /* These we've been told are local by varasm and encode_section_info ++ respectively. */ ++ if (CONSTANT_POOL_ADDRESS_P (op) || ENCODED_LOCAL_BINDING_ATTR_P (XSTR (op, 0))) ++ return 1; ++ ++ /* There is, however, a not insubstantial body of code in the rest of ++ the compiler that assumes it can just stick the results of ++ ASM_GENERATE_INTERNAL_LABEL in a symbol_ref and have done. */ ++ /* ??? This is a hack. Should update the body of the compiler to ++ always create a DECL an invoke targetm.encode_section_info. */ ++ if (strncmp (arm_strip_name_encoding (XSTR (op, 0)), ".L", 2) == 0) ++ return 1; ++ ++ return 0; ++} ++ + rtx + legitimize_pic_address (orig, mode, reg) + rtx orig; +@@ -2404,10 +2468,7 @@ + else + emit_insn (gen_pic_load_addr_thumb (address, orig)); + +- if ((GET_CODE (orig) == LABEL_REF +- || (GET_CODE (orig) == SYMBOL_REF && +- ENCODED_SHORT_CALL_ATTR_P (XSTR (orig, 0)))) +- && NEED_GOT_RELOC) ++ if (local_symbolic_operand (orig, Pmode) && NEED_GOT_RELOC) + pic_ref = gen_rtx_PLUS (Pmode, pic_offset_table_rtx, address); + else + { +@@ -8804,11 +8911,7 @@ + if (NEED_GOT_RELOC && flag_pic && making_const_table && + (GET_CODE (x) == SYMBOL_REF || GET_CODE (x) == LABEL_REF)) + { +- if (GET_CODE (x) == SYMBOL_REF +- && (CONSTANT_POOL_ADDRESS_P (x) +- || ENCODED_SHORT_CALL_ATTR_P (XSTR (x, 0)))) +- fputs ("(GOTOFF)", asm_out_file); +- else if (GET_CODE (x) == LABEL_REF) ++ if (local_symbolic_operand (x, Pmode)) + fputs ("(GOTOFF)", asm_out_file); + else + fputs ("(GOT)", asm_out_file); +@@ -11335,6 +11418,11 @@ + else if (! TREE_PUBLIC (decl)) + arm_encode_call_attribute (decl, SHORT_CALL_FLAG_CHAR); + } ++ ++ if (TREE_CODE_CLASS (TREE_CODE (decl)) == 'd' ++ && flag_pic ++ && (*targetm.binds_local_p) (decl)) ++ arm_encode_call_attribute (decl, LOCAL_BINDING_FLAG_CHAR); + } + #endif /* !ARM_PE */ + + +--- gcc/config/arm/arm.h Fri Mar 5 18:49:44 2004 ++++ gcc/config/arm/arm.h Fri Mar 5 15:04:31 2004 +@@ -1870,6 +1870,7 @@ + Note, '@' and '*' have already been taken. */ + #define SHORT_CALL_FLAG_CHAR '^' + #define LONG_CALL_FLAG_CHAR '#' ++#define LOCAL_BINDING_FLAG_CHAR '%' + + #define ENCODED_SHORT_CALL_ATTR_P(SYMBOL_NAME) \ + (*(SYMBOL_NAME) == SHORT_CALL_FLAG_CHAR) +@@ -1877,6 +1878,9 @@ + #define ENCODED_LONG_CALL_ATTR_P(SYMBOL_NAME) \ + (*(SYMBOL_NAME) == LONG_CALL_FLAG_CHAR) + ++#define ENCODED_LOCAL_BINDING_ATTR_P(SYMBOL_NAME) \ ++ (*(SYMBOL_NAME) == LOCAL_BINDING_FLAG_CHAR) ++ + #ifndef SUBTARGET_NAME_ENCODING_LENGTHS + #define SUBTARGET_NAME_ENCODING_LENGTHS + #endif +@@ -1888,6 +1892,7 @@ + #define ARM_NAME_ENCODING_LENGTHS \ + case SHORT_CALL_FLAG_CHAR: return 1; \ + case LONG_CALL_FLAG_CHAR: return 1; \ ++ case LOCAL_BINDING_FLAG_CHAR: return 1; \ + case '*': return 1; \ + SUBTARGET_NAME_ENCODING_LENGTHS + |