@@ -170,6 +170,7 @@ _dl_runtime_resolve:
# define V29_OFF -208
# define V30_OFF -192
# define V31_OFF -176
+# define R0_OFF -144
# define R12_OFF -136
# define R14_OFF -128
# define FRAMESIZE_OFF -120
@@ -185,6 +186,8 @@ _dl_runtime_resolve:
cfi_startproc
.align 16
_dl_runtime_profile:
+ stg %r0,CFA_OFF+R0_OFF(%r15)
+ cfi_offset (r0, R0_OFF)
stg %r12,CFA_OFF+R12_OFF(%r15) # r12 is used as backup of r15
cfi_offset (r12, R12_OFF)
stg %r14,CFA_OFF+R14_OFF(%r15)
@@ -250,6 +253,7 @@ _dl_runtime_profile:
cfi_def_cfa_register (15)
lg %r14,CFA_OFF+R14_OFF(%r15) # restore registers
lg %r12,CFA_OFF+R12_OFF(%r15)
+ lg %r0,CFA_OFF+R0_OFF(%r15)
br %r1 # tail call
cfi_def_cfa_register (12)
@@ -287,6 +291,7 @@ _dl_runtime_profile:
cfi_def_cfa_register (15)
lg %r14,CFA_OFF+R14_OFF(%r15) # restore registers
lg %r12,CFA_OFF+R12_OFF(%r15)
+ lg %r0,CFA_OFF+R0_OFF(%r15)
lg %r2,CFA_OFF+RET_R2_OFF(%r15) # restore return values
ld %f0,CFA_OFF+RET_F0_OFF(%r15)
# ifdef RESTORE_VRS
@@ -318,6 +323,7 @@ _dl_runtime_profile:
# undef V29_OFF
# undef V30_OFF
# undef V31_OFF
+# undef R0_OFF
# undef R12_OFF
# undef R14_OFF
# undef FRAMESIZE_OFF
Preparation for the usage of R0 by __fentry__. * sysdeps/s390/s390-64/dl-trampoline.h (_dl_runtime_profile): Do not clobber R0. --- sysdeps/s390/s390-64/dl-trampoline.h | 6 ++++++ 1 file changed, 6 insertions(+)