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author | Jim Kingdon <jkingdon@engr.sgi.com> | 1993-09-14 01:08:22 +0000 |
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committer | Jim Kingdon <jkingdon@engr.sgi.com> | 1993-09-14 01:08:22 +0000 |
commit | 55fea07b5521471b905a0695f0541cf4ddc130e7 (patch) | |
tree | 7d7aac022ad5bf8505d6caaaa45ddab444d4d1ee /gdb/remote.c | |
parent | 02ff0cd370fe5cfab21428324cf311088e91fb6c (diff) | |
download | gdb-55fea07b5521471b905a0695f0541cf4ddc130e7.zip gdb-55fea07b5521471b905a0695f0541cf4ddc130e7.tar.gz gdb-55fea07b5521471b905a0695f0541cf4ddc130e7.tar.bz2 |
* remote.c: Define remote_debug to 0 and #if 0 baud_rate. Temporary
hack so this file compiles again.
* remote-utils.c (gr_multi_scan): Cast return value from alloca.
(gr_multi_scan): #if 0 never-reached return(-1).
Diffstat (limited to 'gdb/remote.c')
-rw-r--r-- | gdb/remote.c | 38 |
1 files changed, 35 insertions, 3 deletions
diff --git a/gdb/remote.c b/gdb/remote.c index c2945ad..7775b62 100644 --- a/gdb/remote.c +++ b/gdb/remote.c @@ -220,6 +220,10 @@ static int timeout = 2; int icache; #endif +/* FIXME: This is a hack which lets this file compile. It should be getting + this setting from remote-utils.c. */ +#define remote_debug (0) + /* Descriptor for I/O to remote machine. Initialize it to NULL so that remote_open knows that we don't have a file open when the program starts. */ @@ -293,6 +297,8 @@ device is attached to the remote system (e.g. /dev/ttya)."); if (!remote_desc) perror_with_name (name); +#if 0 + /* FIXME: This should be using remote-utils.c. */ if (baud_rate) { int rate; @@ -304,6 +310,7 @@ device is attached to the remote system (e.g. /dev/ttya)."); perror_with_name (name); } } +#endif SERIAL_RAW (remote_desc); @@ -576,6 +583,9 @@ remote_wait (status) return 0; } +/* Number of bytes of registers this stub implements. */ +static int register_bytes_found; + /* Read the remote registers into the block REGS. */ /* Currently we just read all the registers, so we don't use regno. */ /* ARGSUSED */ @@ -591,6 +601,9 @@ remote_fetch_registers (regno) sprintf (buf, "g"); remote_send (buf); + /* Unimplemented registers read as all bits zero. */ + memset (regs, 0, REGISTER_BYTES); + /* Reply describes registers byte by byte, each byte encoded as two hex characters. Suck them all up, then supply them to the register cacheing/storage mechanism. */ @@ -598,11 +611,29 @@ remote_fetch_registers (regno) p = buf; for (i = 0; i < REGISTER_BYTES; i++) { - if (p[0] == 0 || p[1] == 0) - error ("Remote reply is too short: %s", buf); + if (p[0] == 0) + break; + if (p[1] == 0) + { + warning ("Remote reply is of odd length: %s", buf); + /* Don't change register_bytes_found in this case, and don't + print a second warning. */ + goto supply_them; + } regs[i] = fromhex (p[0]) * 16 + fromhex (p[1]); p += 2; } + + if (i != register_bytes_found) + { + register_bytes_found = i; +#ifdef REGISTER_BYTES_OK + if (!REGISTER_BYTES_OK (i)) + warning ("Remote reply is too short: %s", buf); +#endif + } + + supply_them: for (i = 0; i < NUM_REGS; i++) supply_register (i, ®s[REGISTER_BYTE(i)]); } @@ -635,7 +666,8 @@ remote_store_registers (regno) each byte encoded as two hex characters. */ p = buf + 1; - for (i = 0; i < REGISTER_BYTES; i++) + /* remote_prepare_to_store insures that register_bytes_found gets set. */ + for (i = 0; i < register_bytes_found; i++) { *p++ = tohex ((registers[i] >> 4) & 0xf); *p++ = tohex (registers[i] & 0xf); |