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gdb: move recv buffer to the heap to support fx-9860G III smaller .data

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redoste 2023-06-04 19:35:13 +02:00
parent 5087a91101
commit 6f53fa7842
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1 changed files with 7 additions and 2 deletions
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9
src/gdb/gdb.c
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@ -55,7 +55,8 @@ static void gdb_send(const char *data, size_t size)
usb_commit_sync(pipe); usb_commit_sync(pipe);
} }
static char gdb_recv_buffer[1024]; static char *gdb_recv_buffer = NULL;
static const size_t gdb_recv_buffer_capacity = 256;
static size_t gdb_recv_buffer_size = 0; static size_t gdb_recv_buffer_size = 0;
static ssize_t gdb_recv(char *buffer, size_t buffer_size) static ssize_t gdb_recv(char *buffer, size_t buffer_size)
{ {
@ -74,7 +75,7 @@ static ssize_t gdb_recv(char *buffer, size_t buffer_size)
// TODO : should we abort or find a way to gracefully shutdown the debugger ? // TODO : should we abort or find a way to gracefully shutdown the debugger ?
if (strncmp(header.application, "gdb", 16) == 0 if (strncmp(header.application, "gdb", 16) == 0
&& strncmp(header.type, "remote", 16) == 0) { && strncmp(header.type, "remote", 16) == 0) {
if (header.size > sizeof(gdb_recv_buffer) - gdb_recv_buffer_size) { if (header.size > gdb_recv_buffer_capacity - gdb_recv_buffer_size) {
abort(); abort();
} }
usb_read_sync(usb_ff_bulk_input(), &gdb_recv_buffer[gdb_recv_buffer_size], header.size, false); usb_read_sync(usb_ff_bulk_input(), &gdb_recv_buffer[gdb_recv_buffer_size], header.size, false);
@ -620,6 +621,10 @@ int gdb_start(void)
return GDB_NO_INTERFACE; return GDB_NO_INTERFACE;
} }
if (!gdb_recv_buffer) {
gdb_recv_buffer = malloc(gdb_recv_buffer_capacity);
}
usb_interface_t const *interfaces[] = { &usb_ff_bulk, NULL }; usb_interface_t const *interfaces[] = { &usb_ff_bulk, NULL };
if (usb_open(interfaces, GINT_CALL_NULL) < 0) { if (usb_open(interfaces, GINT_CALL_NULL) < 0) {
return GDB_USB_ERROR; return GDB_USB_ERROR;