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| author | Philipp Rudo <prudo@linux.vnet.ibm.com> | 2018-01-23 13:37:43 +0100 |
|---|---|---|
| committer | Andreas Arnez <arnez@linux.vnet.ibm.com> | 2018-01-23 13:37:43 +0100 |
| commit | 9c0b896ee1d4edfe30c783b027ed5c081845a63d (patch) | |
| tree | 557e3861248505f39fcab0bc5758a3f006a739cd | |
| parent | 7042632bf7976d29889ba89fe4867654c5f38e2d (diff) | |
| download | gdb-9c0b896ee1d4edfe30c783b027ed5c081845a63d.zip gdb-9c0b896ee1d4edfe30c783b027ed5c081845a63d.tar.gz gdb-9c0b896ee1d4edfe30c783b027ed5c081845a63d.tar.bz2 | |
s390: gdbarch_tdep add hook for syscall record
Most parts of s390_process_record are common for the architecture. Only
the system call handling differs between the OSes. In order to be able to
move s390_process_record to a common code file add a hook to record
syscalls to gdbarch_tdep. So every OS can implement their own handling.
gdb/ChangeLog:
* s390-linux-tdep.c (gdbarch_tdep.s390_syscall_record): New hook.
(s390_process_record, s390_gdbarch_tdep_alloc)
(s390_linux_init_abi_any): Use/set new hook.
| -rw-r--r-- | gdb/ChangeLog | 6 | ||||
| -rw-r--r-- | gdb/s390-linux-tdep.c | 22 |
2 files changed, 26 insertions, 2 deletions
diff --git a/gdb/ChangeLog b/gdb/ChangeLog index 636ac81..05cb6de 100644 --- a/gdb/ChangeLog +++ b/gdb/ChangeLog @@ -1,5 +1,11 @@ 2018-01-23 Philipp Rudo <prudo@linux.vnet.ibm.com> + * s390-linux-tdep.c (gdbarch_tdep.s390_syscall_record): New hook. + (s390_process_record, s390_gdbarch_tdep_alloc) + (s390_linux_init_abi_any): Use/set new hook. + +2018-01-23 Philipp Rudo <prudo@linux.vnet.ibm.com> + * s390-linux-tdep.c (osabi.h): New include. (s390_linux_init_abi_31, s390_linux_init_abi_64) (s390_linux_init_abi_any): New functions. diff --git a/gdb/s390-linux-tdep.c b/gdb/s390-linux-tdep.c index 681f665..b61a249 100644 --- a/gdb/s390-linux-tdep.c +++ b/gdb/s390-linux-tdep.c @@ -122,6 +122,9 @@ struct gdbarch_tdep bool have_tdb; bool have_vx; bool have_gs; + + /* Hook to record OS specific systemcall. */ + int (*s390_syscall_record) (struct regcache *regcache, LONGEST svc_number); }; @@ -3808,6 +3811,7 @@ static int s390_process_record (struct gdbarch *gdbarch, struct regcache *regcache, CORE_ADDR addr) { + struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch); uint16_t insn[3] = {0}; /* Instruction as bytes. */ uint8_t ibyte[6]; @@ -3964,8 +3968,16 @@ ex: case 0x0a: /* SVC - supervisor call */ - if (s390_linux_syscall_record (regcache, ibyte[1])) - return -1; + if (tdep->s390_syscall_record != NULL) + { + if (tdep->s390_syscall_record (regcache, ibyte[1])) + return -1; + } + else + { + printf_unfiltered (_("no syscall record support\n")); + return -1; + } break; case 0x0b: /* BSM - branch and set mode */ @@ -7997,6 +8009,8 @@ s390_gdbarch_tdep_alloc () tdep->have_vx = false; tdep->have_gs = false; + tdep->s390_syscall_record = NULL; + return tdep; } @@ -8195,6 +8209,10 @@ s390_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches) static void s390_linux_init_abi_any (struct gdbarch_info info, struct gdbarch *gdbarch) { + struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch); + + tdep->s390_syscall_record = s390_linux_syscall_record; + linux_init_abi (info, gdbarch); /* Register handling. */ |