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| author | Jim Blandy <jimb@codesourcery.com> | 2003-06-03 05:36:53 +0000 |
|---|---|---|
| committer | Jim Blandy <jimb@codesourcery.com> | 2003-06-03 05:36:53 +0000 |
| commit | 1bb792e9e846891feed57b4dde2d0930b9b93ec2 (patch) | |
| tree | 92c4dd79d8a25af1e2dcdb42fa747457f2d93ca2 /gdb | |
| parent | 308f753f1c23878a4fe69d904b58663b36782be8 (diff) | |
| download | gdb-1bb792e9e846891feed57b4dde2d0930b9b93ec2.zip gdb-1bb792e9e846891feed57b4dde2d0930b9b93ec2.tar.gz gdb-1bb792e9e846891feed57b4dde2d0930b9b93ec2.tar.bz2 | |
* s390-nat.c (supply_gregset, fill_gregset): On the s390x, the
elements of gregset_t are 64 bits each, but access registers
are still 32 bits, so they're packed two per gregset_t
element. Unpack/pack them properly.
Diffstat (limited to 'gdb')
| -rw-r--r-- | gdb/ChangeLog | 7 | ||||
| -rw-r--r-- | gdb/s390-nat.c | 44 |
2 files changed, 49 insertions, 2 deletions
diff --git a/gdb/ChangeLog b/gdb/ChangeLog index cb5ab22..279becb 100644 --- a/gdb/ChangeLog +++ b/gdb/ChangeLog @@ -1,3 +1,10 @@ +2003-06-03 Jim Blandy <jimb@redhat.com> + + * s390-nat.c (supply_gregset, fill_gregset): On the s390x, the + elements of gregset_t are 64 bits each, but access registers + are still 32 bits, so they're packed two per gregset_t + element. Unpack/pack them properly. + 2003-06-02 David Carlton <carlton@bactrian.org> * linespec.c (find_methods): Break out code into diff --git a/gdb/s390-nat.c b/gdb/s390-nat.c index 63e779b..4dc8045 100644 --- a/gdb/s390-nat.c +++ b/gdb/s390-nat.c @@ -251,9 +251,26 @@ supply_gregset (gregset_t * gregsetp) for (regi = 0; regi < S390_NUM_GPRS; regi++) supply_register (S390_GP0_REGNUM + regi, (char *) &gregp[S390_GP0_REGNUM + regi]); + +#if defined (CONFIG_ARCH_S390X) + /* On the s390x, each element of gregset_t is 8 bytes long, but + each access register is still only 32 bits long. So they're + packed two per element. It's apparently traditional that + gregset_t must be an array, so when the registers it provides + have different sizes, something has to get strange + somewhere. */ + { + unsigned int *acrs = (unsigned int *) &gregp[S390_FIRST_ACR]; + + for (regi = 0; regi < S390_NUM_ACRS; regi++) + supply_register (S390_FIRST_ACR + regi, (char *) &acrs[regi]); + } +#else for (regi = 0; regi < S390_NUM_ACRS; regi++) supply_register (S390_FIRST_ACR + regi, - (char *) &gregp[S390_FIRST_ACR + regi]); + (char *) &gregp[S390_FIRST_ACR + regi]); +#endif + /* unfortunately this isn't in gregsetp */ for (regi = 0; regi < S390_NUM_CRS; regi++) supply_register (S390_FIRST_CR + regi, NULL); @@ -284,12 +301,35 @@ fill_gregset (gregset_t * gregsetp, int regno) for (regi = 0; regi < S390_NUM_GPRS; regi++) regcache_collect (S390_GP0_REGNUM + regi, &gregp[S390_GP0_REGNUM + regi]); +#if defined (CONFIG_ARCH_S390X) + /* See the comments about the access registers in + supply_gregset, above. */ + { + unsigned int *acrs = (unsigned int *) &gregp[S390_FIRST_ACR]; + + for (regi = 0; regi < S390_NUM_ACRS; regi++) + regcache_collect (S390_FIRST_ACR + regi, &acrs[regi]); + } +#else for (regi = 0; regi < S390_NUM_ACRS; regi++) regcache_collect (S390_FIRST_ACR + regi, &gregp[S390_FIRST_ACR + regi]); +#endif } - else if (regno >= S390_PSWM_REGNUM && regno <= S390_LAST_ACR) + else if (regno >= S390_PSWM_REGNUM && regno < S390_FIRST_ACR) regcache_collect (regno, &gregp[regno]); + else if (regno >= S390_FIRST_ACR && regno <= S390_LAST_ACR) + { +#if defined (CONFIG_ARCH_S390X) + /* See the comments about the access registers in + supply_gregset, above. */ + unsigned int *acrs = (unsigned int *) &gregp[S390_FIRST_ACR]; + + regcache_collect (regno, &acrs[regno - S390_FIRST_ACR]); +#else + regcache_collect (regno, &gregp[regno]); +#endif + } } /* Given a pointer to a floating point register set in /proc format |