diff options
Diffstat (limited to 'gdb/s390-nat.c')
| -rw-r--r-- | gdb/s390-nat.c | 16 |
1 files changed, 14 insertions, 2 deletions
diff --git a/gdb/s390-nat.c b/gdb/s390-nat.c index a2a7759b822..b8da548f05a 100644 --- a/gdb/s390-nat.c +++ b/gdb/s390-nat.c @@ -47,6 +47,18 @@ #define regmap_fpregset s390_regmap_fpregset +/* When debugging a 32-bit executable running under a 64-bit kernel, + we have to fix up the 64-bit registers we get from the kernel + to make them look like 32-bit registers. */ +#ifdef __s390x__ +#define SUBOFF(i) \ + ((TARGET_PTR_BIT == 32 \ + && ((i) == S390_PSWA_REGNUM \ + || ((i) >= S390_R0_REGNUM && (i) <= S390_R15_REGNUM)))? 4 : 0) +#else +#define SUBOFF(i) 0 +#endif + /* Fill GDB's register array with the general-purpose register values in *REGP. */ @@ -57,7 +69,7 @@ supply_gregset (gregset_t *regp) for (i = 0; i < S390_NUM_REGS; i++) if (regmap_gregset[i] != -1) regcache_raw_supply (current_regcache, i, - (char *)regp + regmap_gregset[i]); + (char *)regp + regmap_gregset[i] + SUBOFF (i)); } /* Fill register REGNO (if it is a general-purpose register) in @@ -71,7 +83,7 @@ fill_gregset (gregset_t *regp, int regno) if (regmap_gregset[i] != -1) if (regno == -1 || regno == i) regcache_raw_collect (current_regcache, i, - (char *)regp + regmap_gregset[i]); + (char *)regp + regmap_gregset[i] + SUBOFF (i)); } /* Fill GDB's register array with the floating-point register values |