diff mbox series

[17/17] Build elf test cases instead of raw binaries

Message ID 20240511115400.7587-18-richard.henderson@linaro.org
State New
Headers show
Series RISU misc updates | expand

Commit Message

Richard Henderson May 11, 2024, 11:54 a.m. UTC 
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
 Makefile       | 19 ++++++++++---------
 test.ld        | 12 ++++++++++++
 test_aarch64.s |  4 ++--
 test_arm.s     | 16 +++++++++++-----
 test_i386.S    |  4 +++-
 5 files changed, 38 insertions(+), 17 deletions(-)
 create mode 100644 test.ld

Comments

Philippe Mathieu-Daudé May 15, 2024, 1:08 p.m. UTC | #1 
On 11/5/24 13:54, Richard Henderson wrote:
> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
> ---
>   Makefile       | 19 ++++++++++---------
>   test.ld        | 12 ++++++++++++
>   test_aarch64.s |  4 ++--
>   test_arm.s     | 16 +++++++++++-----
>   test_i386.S    |  4 +++-

Maybe briefly mention why the .S changes.

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>

>   5 files changed, 38 insertions(+), 17 deletions(-)
>   create mode 100644 test.ld
diff mbox series

Patch

diff --git a/Makefile b/Makefile
index ad7f879..2bd08aa 100644
--- a/Makefile
+++ b/Makefile
@@ -22,7 +22,8 @@  ALL_CFLAGS = -Wall -D_GNU_SOURCE -DARCH=$(ARCH) -U$(ARCH) $(BUILD_INC) $(CFLAGS)
 PROG=risu
 SRCS=risu.c comms.c risu_$(ARCH).c risu_reginfo_$(ARCH).c
 HDRS=risu.h risu_reginfo_$(ARCH).h
-BINS=test_$(ARCH).bin
+BINO=test_$(ARCH).o
+BINE=test_$(ARCH).elf
 
 # For dumping test patterns
 RISU_BINS=$(wildcard *.risu.bin)
@@ -30,7 +31,7 @@  RISU_ASMS=$(patsubst %.bin,%.asm,$(RISU_BINS))
 
 OBJS=$(SRCS:.c=.o)
 
-all: $(PROG) $(BINS)
+all: $(PROG) $(BINE)
 
 dump: $(RISU_ASMS)
 
@@ -43,17 +44,17 @@  $(PROG): $(OBJS)
 %.o: %.c $(HDRS)
 	$(CC) $(CPPFLAGS) $(ALL_CFLAGS) -o $@ -c $<
 
-%_$(ARCH).bin: %_$(ARCH).elf
-	$(OBJCOPY) -O binary $< $@
+%_$(ARCH).o: %_$(ARCH).s
+	$(CC) -o $@ -c $<
 
-%_$(ARCH).elf: %_$(ARCH).s
-	$(AS) -o $@ $<
-
-%_$(ARCH).elf: %_$(ARCH).S
+%_$(ARCH).o: %_$(ARCH).S
 	$(CC) $(CPPFLAGS) -o $@ -c $<
 
+%_$(ARCH).elf: test.ld %_$(ARCH).o
+	$(LD) -o $@ -T $^
+
 clean:
-	rm -f $(PROG) $(OBJS) $(BINS)
+	rm -f $(PROG) $(OBJS) $(BINO) $(BINE)
 
 distclean: clean
 	rm -f config.h Makefile.in
diff --git a/test.ld b/test.ld
new file mode 100644
index 0000000..eb0a76a
--- /dev/null
+++ b/test.ld
@@ -0,0 +1,12 @@ 
+ENTRY(start)
+
+PHDRS {
+    text PT_LOAD FILEHDR PHDRS;
+}
+
+SECTIONS {
+    . = SIZEOF_HEADERS;
+    PROVIDE(start = .);
+    .text : { *(.text) } :text
+    .data : { *(.data) } :text
+}
diff --git a/test_aarch64.s b/test_aarch64.s
index f75d588..88902c6 100644
--- a/test_aarch64.s
+++ b/test_aarch64.s
@@ -80,6 +80,6 @@  fmov d31, #31.0
 /* do compare.
  * The manual says instr with bits (28,27) == 0 0 are UNALLOCATED
  */
-.int 0x00005af0
+.inst 0x00005af0
 /* exit test */
-.int 0x00005af1
+.inst 0x00005af1
diff --git a/test_arm.s b/test_arm.s
index 49552f2..62582e7 100644
--- a/test_arm.s
+++ b/test_arm.s
@@ -9,20 +9,26 @@ 
  *     Peter Maydell (Linaro) - initial implementation
  *******************************************************************************/
 
+.text
+
 /* magic instruction to force ARM mode whether we were in ARM or Thumb before */
-.int 0xe0004778
+.inst 0xe0004778
+
 /* Initialise the gp regs */
 add r0, pc, #4
 ldmia r0, {r0,r1,r2,r3,r4,r5,r6,r7,r8,r9,r10,r11,r12,r14}
-b next
+b 1f
+
 .int 0,1,2,3,4,5,6,7,8,9,10,11,12,14
-next:
+
+1:
 msr CPSR_fs, #0
+
 /* do compare.
  * The space 0xE7F___F_ is guaranteed to always UNDEF
  * and not to be allocated for insns in future architecture
  * revisions.
  */
-.int 0xe7fe5af0
+.inst 0xe7fe5af0
 /* exit test */
-.int 0xe7fe5af1
+.inst 0xe7fe5af1
diff --git a/test_i386.S b/test_i386.S
index 05344d7..2e2b090 100644
--- a/test_i386.S
+++ b/test_i386.S
@@ -13,6 +13,7 @@ 
 
 /* Initialise the registers to avoid spurious mismatches */
 
+.text
 #ifdef __x86_64__
 #define BASE	%rax
 	lea	2f(%rip), BASE
@@ -71,7 +72,8 @@ 
 /* exit test */
 	ud1	%ecx, %eax
 
-	.p2align 16
+.data
+	.balign 16
 2:
 	.set	i, 0
 	.rept	256