From 1ebc235e7b371c490092c3f22b4484678cbf3e7f Mon Sep 17 00:00:00 2001
From: Samuel Hym <samuel.hym@univ-lille.fr>
Date: Thu, 7 Jul 2022 16:48:18 +0200
Subject: [PATCH] Minimise the example
---
.gitignore | 2 --
Makefile | 37 -------------------------------------
bug.c | 1 +
bug.ld | 4 ++++
link.ld | 14 --------------
main.c | 7 -------
6 files changed, 5 insertions(+), 60 deletions(-)
delete mode 100644 .gitignore
delete mode 100644 Makefile
create mode 100644 bug.c
create mode 100644 bug.ld
delete mode 100644 link.ld
delete mode 100644 main.c
diff --git a/.gitignore b/.gitignore
deleted file mode 100644
index a63bec8..0000000
--- a/.gitignore
+++ /dev/null
@@ -1,2 +0,0 @@
-main.o
-main
diff --git a/Makefile b/Makefile
deleted file mode 100644
index 3c32c5e..0000000
--- a/Makefile
+++ /dev/null
@@ -1,37 +0,0 @@
-ARCH_DEPENDENT = arm-none-eabi-
-
-CC = $(ARCH_DEPENDENT)gcc
-LD = $(ARCH_DEPENDENT)ld
-
-CFLAGS_COMMON = -Wall
-CFLAGS_COMMON += -Wextra
-CFLAGS_COMMON += -Werror
-CFLAGS_COMMON += -mthumb
-CFLAGS_COMMON += -mcpu=cortex-m4
-
-CFLAGS_PIC = $(CFLAGS_COMMON)
-#CFLAGS_PIC += -msingle-pic-base
-#CFLAGS_PIC += -mpic-register=r10
-#CFLAGS_PIC += -mno-pic-data-is-text-relative
-#CFLAGS_PIC += -fPIC
-
-LDFLAGS = -Tlink.ld
-LDFLAGS += -q
-
-SRC = main.c
-OBJ = $(SRC:.c=.o)
-
-EXEC = main
-
-all: $(EXEC)
-
-$(EXEC): $(OBJ)
- $(LD) $(LDFLAGS) $^ -o $@
-
-%.o: %.c
- $(CC) $(CFLAGS_PIC) -c $< -o $@
-
-realclean:
- rm -f $(EXEC) $(OBJ)
-
-.PHONY: all realclean
diff --git a/bug.c b/bug.c
new file mode 100644
index 0000000..ecb03f0
--- /dev/null
+++ b/bug.c
@@ -0,0 +1 @@
+void *ptr = &ptr;
diff --git a/bug.ld b/bug.ld
new file mode 100644
index 0000000..d0961ff
--- /dev/null
+++ b/bug.ld
@@ -0,0 +1,4 @@
+SECTIONS
+{
+ .rel : { *(.data*) }
+}
diff --git a/link.ld b/link.ld
deleted file mode 100644
index fdd6a16..0000000
--- a/link.ld
+++ /dev/null
@@ -1,14 +0,0 @@
-ENTRY(main)
-
-SECTIONS
-{
- .text :
- {
- *(.text*)
- }
-
- .relocate :
- {
- *(.data*)
- }
-}
diff --git a/main.c b/main.c
deleted file mode 100644
index 96f4ca6..0000000
--- a/main.c
+++ /dev/null
@@ -1,7 +0,0 @@
-int foovar = 5;
-int *fooptr = &foovar;
-
-int main()
-{
- return 0;
-}
--
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