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authorRich Felker <dalias@aerifal.cx>2014-06-20 00:25:12 -0400
committerRich Felker <dalias@aerifal.cx>2014-06-20 00:25:12 -0400
commit3fa2eb2aba8d6b54dec53e7ad4c37e17392b166f (patch)
treeedf9c4eb999f1774abc7bd960b5c32b075ad7e71
parentacb7e049b8c70b9e6ad57e8601373f9c991a0da4 (diff)
downloadmusl-3fa2eb2aba8d6b54dec53e7ad4c37e17392b166f.tar.gz
rename dynamic linker entry point from _start to _dlstart
the main motivation for this change is to aid in debugging. since the main program's entry point is also named _start, it was difficult to set breakpoints or quickly identify which _start execution stopped in.
-rw-r--r--Makefile2
-rw-r--r--src/ldso/arm/start.s4
-rw-r--r--src/ldso/i386/start.s4
-rw-r--r--src/ldso/microblaze/start.s4
-rw-r--r--src/ldso/mips/start.s6
-rw-r--r--src/ldso/powerpc/start.s6
-rw-r--r--src/ldso/sh/start.s6
-rw-r--r--src/ldso/x32/start.s4
-rw-r--r--src/ldso/x86_64/start.s4
9 files changed, 20 insertions, 20 deletions
diff --git a/Makefile b/Makefile
index 0ab0bfdd..d5a64fce 100644
--- a/Makefile
+++ b/Makefile
@@ -125,7 +125,7 @@ $(foreach s,$(wildcard src/*/$(ARCH)*/*.s),$(eval $(call mkasmdep,$(s))))
lib/libc.so: $(LOBJS)
$(CC) $(CFLAGS_ALL_SHARED) $(LDFLAGS) -nostdlib -shared \
- -Wl,-e,_start -Wl,-Bsymbolic-functions \
+ -Wl,-e,_dlstart -Wl,-Bsymbolic-functions \
-o $@ $(LOBJS) $(LIBCC)
lib/libc.a: $(OBJS)
diff --git a/src/ldso/arm/start.s b/src/ldso/arm/start.s
index dfa36578..5dd93b55 100644
--- a/src/ldso/arm/start.s
+++ b/src/ldso/arm/start.s
@@ -1,6 +1,6 @@
.text
-.global _start
-_start:
+.global _dlstart
+_dlstart:
ldr r0,[sp]
add r1,sp,#4
bl __dynlink
diff --git a/src/ldso/i386/start.s b/src/ldso/i386/start.s
index b16f8af5..c37a1faa 100644
--- a/src/ldso/i386/start.s
+++ b/src/ldso/i386/start.s
@@ -1,6 +1,6 @@
.text
-.global _start
-_start:
+.global _dlstart
+_dlstart:
xor %ebp,%ebp
pop %edi
mov %esp,%esi
diff --git a/src/ldso/microblaze/start.s b/src/ldso/microblaze/start.s
index 4e0a0e50..067e8613 100644
--- a/src/ldso/microblaze/start.s
+++ b/src/ldso/microblaze/start.s
@@ -1,6 +1,6 @@
# FIXME: clearing argv entries
-.global _start
-_start:
+.global _dlstart
+_dlstart:
add r19, r0, r0
lw r5, r0, r1
diff --git a/src/ldso/mips/start.s b/src/ldso/mips/start.s
index 2e985294..0cadbf8a 100644
--- a/src/ldso/mips/start.s
+++ b/src/ldso/mips/start.s
@@ -2,9 +2,9 @@
.hidden __reloc_self
.set noreorder
.set nomacro
-.global _start
-.type _start,@function
-_start:
+.global _dlstart
+.type _dlstart,@function
+_dlstart:
move $fp, $0
bgezal $0, 1f
diff --git a/src/ldso/powerpc/start.s b/src/ldso/powerpc/start.s
index 6c499e8e..6548d58f 100644
--- a/src/ldso/powerpc/start.s
+++ b/src/ldso/powerpc/start.s
@@ -1,6 +1,6 @@
- .global _start
- .type _start,@function
-_start:
+ .global _dlstart
+ .type _dlstart,@function
+_dlstart:
bl 1f
2: .long _DYNAMIC-2b
1: mflr 5
diff --git a/src/ldso/sh/start.s b/src/ldso/sh/start.s
index ca6b7fc9..0d2d9136 100644
--- a/src/ldso/sh/start.s
+++ b/src/ldso/sh/start.s
@@ -1,7 +1,7 @@
.text
-.global _start
-.type _start, @function
-_start:
+.global _dlstart
+.type _dlstart, @function
+_dlstart:
mov.l @r15, r4
mov r15, r5
mov.l L1, r0
diff --git a/src/ldso/x32/start.s b/src/ldso/x32/start.s
index 0fcf46dc..3c3800aa 100644
--- a/src/ldso/x32/start.s
+++ b/src/ldso/x32/start.s
@@ -1,6 +1,6 @@
.text
-.global _start
-_start:
+.global _dlstart
+_dlstart:
mov (%rsp),%rdi /* move argc into 1st argument slot */
lea 4(%rsp),%rsi /* move argv into 2nd argument slot */
call __dynlink
diff --git a/src/ldso/x86_64/start.s b/src/ldso/x86_64/start.s
index 80c1d08d..1c5598aa 100644
--- a/src/ldso/x86_64/start.s
+++ b/src/ldso/x86_64/start.s
@@ -1,6 +1,6 @@
.text
-.global _start
-_start:
+.global _dlstart
+_dlstart:
mov (%rsp),%rdi
lea 8(%rsp),%rsi
call __dynlink