diff options
| author | Jeff Roberson <jeff@FreeBSD.org> | 2003-11-29 11:57:02 +0000 |
|---|---|---|
| committer | Jeff Roberson <jeff@FreeBSD.org> | 2003-11-29 11:57:02 +0000 |
| commit | 2d5d22656dc4a599eb1ecdcedf28805423d061eb (patch) | |
| tree | 78db6f4caded1e8f4ea3eaa72346bdb98b5a17c6 | |
| parent | b1893845bd044d8728e1c57c99e6c988c25c8fb2 (diff) | |
Notes
| -rw-r--r-- | sys/alpha/alpha/db_trace.c | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/sys/alpha/alpha/db_trace.c b/sys/alpha/alpha/db_trace.c index 9067be1efc37..c2031687f19f 100644 --- a/sys/alpha/alpha/db_trace.c +++ b/sys/alpha/alpha/db_trace.c @@ -112,7 +112,7 @@ void db_md_list_watchpoints(void); * Decode the function prologue for the function we're in, and note * which registers are stored where, and how large the stack frame is. */ -static void +static int decode_prologue(db_addr_t callpc, db_addr_t func, struct prologue_info *pi) { @@ -127,6 +127,7 @@ decode_prologue(db_addr_t callpc, db_addr_t func, do { \ if (pi->pi_frame_size != 0) { \ db_printf("frame size botch: adjust register offsets?\n"); \ + return (1); \ } \ } while (0) @@ -143,9 +144,11 @@ do { \ */ signed_immediate = (long)ins.mem_format.displacement; #if 1 - if (signed_immediate > 0) + if (signed_immediate > 0) { db_printf("prologue botch: displacement %ld\n", signed_immediate); + return (1); + } #endif CHECK_FRAMESIZE; pi->pi_frame_size += -signed_immediate; @@ -169,6 +172,7 @@ do { \ pi->pi_reg_offset[ins.mem_format.rd] = signed_immediate; } } + return (0); } static int @@ -363,7 +367,8 @@ db_stack_trace_cmd(db_expr_t addr, boolean_t have_addr, db_expr_t count, char *m * * XXX How does this interact w/ alloca()?! */ - decode_prologue(callpc, symval, &pi); + if (decode_prologue(callpc, symval, &pi)) + return; if ((pi.pi_regmask & (1 << 26)) == 0) { /* * No saved RA found. We might have RA from |