Copy ASM_OUTPUT_ALIGNED_BSS, ASM_OUTPUT_MAX_SKIP_ALIGN and
ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX from config/i386/gnu-user.h.
Index: ChangeLog
===================================================================
--- ChangeLog (revision 225608)
+++ ChangeLog (working copy)
@@ -1,3 +1,9 @@
+2015-07-09 H.J. Lu <hongjiu...@intel.com>
+
+ * config/i386/iamcu.h (ASM_OUTPUT_ALIGNED_BSS): New.
+ (ASM_OUTPUT_MAX_SKIP_ALIGN): Likewise.
+ (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Likewise.
+
2015-07-09 Andrew MacLeod <amacl...@redhat.com>
* flags.h: Don't include flag-types.h or options.h.
Index: config/i386/iamcu.h
===================================================================
--- config/i386/iamcu.h (revision 225608)
+++ config/i386/iamcu.h (working copy)
@@ -40,3 +40,46 @@ see the files COPYING3 and COPYING.RUNTI
#undef LIB_SPEC
#define LIB_SPEC "--start-group -lc -lgloss --end-group"
+
+/* A C statement (sans semicolon) to output to the stdio stream
+ FILE the assembler definition of uninitialized global DECL named
+ NAME whose size is SIZE bytes and alignment is ALIGN bytes.
+ Try to use asm_output_aligned_bss to implement this macro. */
+
+#define ASM_OUTPUT_ALIGNED_BSS(FILE, DECL, NAME, SIZE, ALIGN) \
+ asm_output_aligned_bss (FILE, DECL, NAME, SIZE, ALIGN)
+
+/* A C statement to output to the stdio stream FILE an assembler
+ command to advance the location counter to a multiple of 1<<LOG
+ bytes if it is within MAX_SKIP bytes.
+
+ This is used to align code labels according to Intel recommendations. */
+
+#define ASM_OUTPUT_MAX_SKIP_ALIGN(FILE,LOG,MAX_SKIP) \
+ do { \
+ if ((LOG) != 0) { \
+ if ((MAX_SKIP) == 0) fprintf ((FILE), "\t.p2align %d\n", (LOG)); \
+ else { \
+ fprintf ((FILE), "\t.p2align %d,,%d\n", (LOG), (MAX_SKIP)); \
+ /* Make sure that we have at least 8 byte alignment if > 8 byte \
+ alignment is preferred. */ \
+ if ((LOG) > 3 \
+ && (1 << (LOG)) > ((MAX_SKIP) + 1) \
+ && (MAX_SKIP) >= 7) \
+ fputs ("\t.p2align 3\n", (FILE)); \
+ }
\
+ } \
+ } while (0)
+
+/* Handle special EH pointer encodings. Absolute, pc-relative, and
+ indirect are handled automatically. */
+#define ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX(FILE, ENCODING, SIZE, ADDR, DONE) \
+ do { \
+ if ((SIZE) == 4 && ((ENCODING) & 0x70) == DW_EH_PE_datarel)
\
+ {
\
+ fputs (ASM_LONG, FILE);
\
+ assemble_name (FILE, XSTR (ADDR, 0)); \
+ fputs (((ENCODING) & DW_EH_PE_indirect ? "@GOT" : "@GOTOFF"), FILE); \
+ goto DONE; \
+ }
\
+ } while (0)
